Form990-PF

Department of the Treasury
Internal Revenue Service

Return of Private Foundation
or Section 4947(a)(1) Trust Treated as Private Foundation
right arrowDo not enter social security numbers on this form as it may be made public.
right arrowGo to www.irs.gov/Form990PF for instructions and the latest information.
OMB No. 1545-0047
2024
Open to Public Inspection
For calendar year 2024, or tax year beginning 01-01-2024 , and ending 12-31-2024
Name of foundation
TROPER WOJCICKI FOUNDATION
 
Number and street (or P.O. box number if mail is not delivered to street address)1660 BUSH STREET SUITE 300
  Room/suite
City or town, state or province, country, and ZIP or foreign postal code
SAN FRANCISCO, CA94109
A Employer identification number

20-2777268
B Telephone number (see instructions)

C right arrow
G Check all that apply:

D 1. Foreign organizations, check here............. right arrow
2. Foreign organizations meeting the 85%
test, check here and attach computation ... right arrow
E right arrow
H Check type of organization:
F right arrow
I Fair market value of all assets at end
of year (from Part II, col. (c),
line 16)right arrow$339,320,002J Accounting method:
 
(Part I, column (d) must be on cash basis.)
Part I Analysis of Revenue and Expenses (The total of amounts in columns (b), (c), and (d) may not necessarily equal the amounts in column (a) (see instructions).) (a) Revenue and
expenses per
books 		(b) Net investment
income 		(c) Adjusted net
income 		(d) Disbursements
for charitable
purposes
(cash basis only)
Revenue 1 Contributions, gifts, grants, etc., received (attach schedule) 17,826,613
2 Check right arrow.............
3 Interest on savings and temporary cash investments 1,653,521 1,653,521  
4 Dividends and interest from securities... 3,394,466 3,432,896  
5a Gross rents............      
b Net rental income or (loss)  
6a Net gain or (loss) from sale of assets not on line 10 10,386,631
b Gross sales price for all assets on line 6a 60,466,707
7 Capital gain net income (from Part IV, line 2)... 10,014,832
8 Net short-term capital gain.........  
9 Income modifications...........  
10a Gross sales less returns and allowances  
b Less: Cost of goods sold....  
c Gross profit or (loss) (attach schedule).....    
11 Other income (attach schedule)....... Click to see attachment
List of Attached Documents:
// Content
1,009 39,814  
12 Total. Add lines 1 through 11........ 33,262,240 15,141,063  
Operating and Administrative Expenses 13 Compensation of officers, directors, trustees, etc. 0 0   0
14 Other employee salaries and wages......        
15 Pension plans, employee benefits.......        
16a Legal fees (attach schedule)......... Click to see attachment
List of Attached Documents:
// Content
3,458 0   3,458
b Accounting fees (attach schedule)....... Click to see attachment
List of Attached Documents:
// Content
112,500 18,750   93,750
c Other professional fees (attach schedule).... Click to see attachment
List of Attached Documents:
// Content
5,373,383 638,845   4,734,538
17 Interest...............   13,555    
18 Taxes (attach schedule) (see instructions)... Click to see attachment
List of Attached Documents:
// Content
338,656 58,656   0
19 Depreciation (attach schedule) and depletion...      
20 Occupancy..............        
21 Travel, conferences, and meetings.......        
22 Printing and publications..........        
23 Other expenses (attach schedule)....... Click to see attachment
List of Attached Documents:
// Content
1,600 194,433   1,600
24 Total operating and administrative expenses.
Add lines 13 through 23.......... 5,829,597 924,239   4,833,346
25 Contributions, gifts, grants paid....... 15,829,456 15,829,456
26 Total expenses and disbursements. Add lines 24 and 25 21,659,053 924,239   20,662,802
27 Subtract line 26 from line 12:
a Excess of revenue over expenses and disbursements 11,603,187
b Net investment income (if negative, enter -0-) 14,216,824
c Adjusted net income (if negative, enter -0-)...  
For Paperwork Reduction Act Notice, see instructions.
Cat. No. 11289X Form 990-PF (2024)
Form 990-PF (2024)
Page 2
Part II Balance Sheets Attached schedules and amounts in the description column
should be for end-of-year amounts only. (See instructions.) 		Beginning of year End of year
(a) Book Value (b) Book Value (c) Fair Market Value
Assets 1 Cash—non-interest-bearing............. 9,090 23,686 23,686
2 Savings and temporary cash investments......... 5,270,587 7,722,765 7,722,765
3 Accounts receivable right arrow  
Less: allowance for doubtful accounts right arrow        
4 Pledges receivable right arrow  
Less: allowance for doubtful accounts right arrow        
5 Grants receivable.................      
6 Receivables due from officers, directors, trustees, and other
disqualified persons (attach schedule) (see instructions).....      
7 Other notes and loans receivable (attach schedule) right arrow  
Less: allowance for doubtful accounts right arrow        
8 Inventories for sale or use..............      
9 Prepaid expenses and deferred charges..........      
10a Investments—U.S. and state government obligations (attach schedule)      
b Investments—corporate stock (attach schedule).......      
c Investments—corporate bonds (attach schedule).......      
11 Investments—land, buildings, and equipment: basis right arrow  
Less: accumulated depreciation (attach schedule) right arrow        
12 Investments—mortgage loans.............      
13 Investments—other (attach schedule).......... 283,864,906 Click to see attachment
List of Attached Documents:
// Content
331,573,551 		331,573,551
14 Land, buildings, and equipment: basis right arrow  
Less: accumulated depreciation (attach schedule) right arrow        
15 Other assets (describe right arrow)      
16 Total assets (to be completed by all filers—see the
instructions. Also, see page 1, item I) 289,144,583 339,320,002 339,320,002
Liabilities 17 Accounts payable and accrued expenses..........    
18 Grants payable.................    
19 Deferred revenue.................    
20 Loans from officers, directors, trustees, and other disqualified persons    
21 Mortgages and other notes payable (attach schedule)......    
22 Other liabilities (describe right arrow)    
23 Total liabilities (add lines 17 through 22)......... 0 0
Net Assets or Fund Balances Foundations that follow FASB ASC 958, check here right arrow
and complete lines 24, 25, 29 and 30.
24 Net assets without donor restrictions...........    
25 Net assets with donor restrictions............    
Foundations that do not follow FASB ASC 958, check here right arrow
and complete lines 26 through 30.
26 Capital stock, trust principal, or current funds........ 0 0
27 Paid-in or capital surplus, or land, bldg., and equipment fund 0 0
28 Retained earnings, accumulated income, endowment, or other funds 289,144,583 339,320,002
29 Total net assets or fund balances (see instructions)..... 289,144,583 339,320,002
30 Total liabilities and net assets/fund balances (see instructions). 289,144,583 339,320,002
Part III
Analysis of Changes in Net Assets or Fund Balances
1
Total net assets or fund balances at beginning of year—Part II, column (a), line 29 (must agree with end-of-year figure reported on prior year’s return) ...............
1
289,144,583
2
Enter amount from Part I, line 27a .....................
2
11,603,187
3
Other increases not included in line 2 (itemize) right arrowClick to see attachment
List of Attached Documents:
// Content
3
38,572,232
4
Add lines 1, 2, and 3 ..........................
4
339,320,002
5
Decreases not included in line 2 (itemize) right arrow
5
0
6
Total net assets or fund balances at end of year (line 4 minus line 5)—Part II, column (b), line 29 .
6
339,320,002
Form 990-PF (2024)
Form 990-PF (2024)
Page 3
Part IV
Capital Gains and Losses for Tax on Investment Income
(a) List and describe the kind(s) of property sold (e.g., real estate,
2-story brick warehouse; or common stock, 200 shs. MLC Co.)		 (b)
How acquired
P—Purchase
D—Donation 		(c)
Date acquired
(mo., day, yr.) 		(d)
Date sold
(mo., day, yr.)
1 a PUBLICLY TRADED SECURITIES      
b PUBLICLY TRADED SECURITIES      
c PUBLICLY TRADED SECURITIES      
d NET CAPITAL GAINS FROM K-1S P    
e CAPITAL GAINS DIVIDENDS P    
(e)
Gross sales price 		(f)
Depreciation allowed
(or allowable) 		(g)
Cost or other basis
plus expense of sale 		(h)
Gain or (loss)
(e) plus (f) minus (g)
a 9,278,692   8,938,673 340,019
b 35,682,733   37,262,789 -1,580,056
c 15,500,608   3,878,614 11,621,994
d     371,799 -371,799
e 4,674     4,674
Complete only for assets showing gain in column (h) and owned by the foundation on 12/31/69 (l)
Gains (Col. (h) gain minus
col. (k), but not less than -0-) or
Losses (from col.(h))
(i)
F.M.V. as of 12/31/69 		(j)
Adjusted basis
as of 12/31/69 		(k)
Excess of col. (i)
over col. (j), if any
a       340,019
b       -1,580,056
c       11,621,994
d       -371,799
e       4,674
2 Capital gain net income or (net capital loss) Bracket If gain, also enter in Part I, line 7
If (loss), enter -0- in Part I, line 7		 Bracket 2 10,014,832
3 Net short-term capital gain or (loss) as defined in sections 1222(5) and (6):
If gain, also enter in Part I, line 8, column (c) (see instructions). If (loss), enter -0-
in Part I, line 8 ................... 		Bracket 3  
Part V
Excise Tax Based on Investment Income (Section 4940(a), 4940(b), 4940(e), or 4948—see instructions)
1a Exempt operating foundations described in section 4940(d)(2), check here right arrow and enter “N/A" on line 1. Bracket for line 1a
Date of ruling or determination letter:   (attach copy of letter if necessary–see instructions) 1 197,614
b All other domestic foundations enter 1.39% (0.0139) of line 27b. Exempt foreign organizations enter 4% (0.04) of Part I, line 12, col. (b)
2 Tax under section 511 (domestic section 4947(a)(1) trusts and taxable foundations only. Others enter -0-) 2 0
3 Add lines 1 and 2........................... 3 197,614
4 Subtitle A (income) tax (domestic section 4947(a)(1) trusts and taxable foundations only. Others enter -0-) 4 0
5 Tax based on investment income. Subtract line 4 from line 3. If zero or less, enter -0- ..... 5 197,614
6 Credits/Payments:
a 2024 estimated tax payments and 2023 overpayment credited to 2024 6a 293,528
b Exempt foreign organizations—tax withheld at source...... 6b 0
c Tax paid with application for extension of time to file (Form 8868)... 6c 0
d Backup withholding erroneously withheld .......... 6d 0
7 Total credits and payments. Add lines 6a through 6d.............. 7 293,528
8 Enter any penalty for underpayment of estimated tax. Check here if Form 2220 is attached. Click to see attachment
List of Attached Documents:
// Content
8 0
9 Tax due. If the total of lines 5 and 8 is more than line 7, enter amount owed.......right arrow 9  
10 Overpayment. If line 7 is more than the total of lines 5 and 8, enter the amount overpaid...right arrow 10 95,914
11 Enter the amount of line 10 to be: Credited to 2025 estimated taxright arrow95,914 Refundedright arrow 11 0
Form 990-PF (2024)
Form 990-PF (2024)
Page 4
Part VI-A
Statements Regarding Activities
1a
During the tax year, did the foundation attempt to influence any national, state, or local legislation or did
Yes
No
it participate or intervene in any political campaign? ....................
1a
 
No
b
Did it spend more than $100 during the year (either directly or indirectly) for political purposes? See the instructions
for the definition.................................
1b
 
No
If the answer is "Yes" to 1a or 1b, attach a detailed description of the activities and copies of any materials
published or distributed by the foundation in connection with the activities.
c
Did the foundation file Form 1120-POL for this year?.....................
1c
 
No
d
Enter the amount (if any) of tax on political expenditures (section 4955) imposed during the year:
(1) On the foundation. right arrow$ 0(2) On foundation managers.right arrow$ 0
e
Enter the reimbursement (if any) paid by the foundation during the year for political expenditure tax imposed
on foundation managers.right arrow$ 0
2
Has the foundation engaged in any activities that have not previously been reported to the IRS?.......
2
 
No
If "Yes," attach a detailed description of the activities.
3
Has the foundation made any changes, not previously reported to the IRS, in its governing instrument, articles
of incorporation, or bylaws, or other similar instruments? If "Yes," attach a conformed copy of the changes....
3
Yes
 
4a
Did the foundation have unrelated business gross income of $1,000 or more during the year?.........
4a
 
No
b
If "Yes," has it filed a tax return on Form 990-T for this year?...................
4b
 
 
5
Was there a liquidation, termination, dissolution, or substantial contraction during the year?.........
5
 
No
If "Yes," attach the statement required by General Instruction T.
6
Are the requirements of section 508(e) (relating to sections 4941 through 4945) satisfied either:
round bullet By language in the governing instrument, or
round bullet By state legislation that effectively amends the governing instrument so that no mandatory directions
that conflict with the state law remain in the governing instrument? ................
6
Yes
 
7
Did the foundation have at least $5,000 in assets at any time during the year? If "Yes," complete Part II, col. (c),
and Part XIV..................................
7
Yes
 
8a
Enter the states to which the foundation reports or with which it is registered (see instructions)
right arrowCA
b
If the answer is "Yes" to line 7, has the foundation furnished a copy of Form 990-PF to the Attorney
General (or designate) of each state as required by General Instruction G? If "No," attach explanation .
8b
Yes
 
9
Is the foundation claiming status as a private operating foundation within the meaning of section 4942(j)(3)
or 4942(j)(5) for calendar year 2024 or the taxable year beginning in 2024? See the instructions for Part XIII.
If "Yes," complete Part XIII .............................
9
 
No
10
Did any persons become substantial contributors during the tax year? If "Yes," attach a schedule listing their names
and addresses. ...............................
10
 
No
11
At any time during the year, did the foundation, directly or indirectly, own a controlled entity within the
meaning of section 512(b)(13)? If "Yes," attach schedule. See instructions .............
11
 
No
12
Did the foundation make a distribution to a donor advised fund over which the foundation or a disqualified person had
advisory privileges? If "Yes," attach statement. See instructions.................
12
 
No
13
Did the foundation comply with the public inspection requirements for its annual returns and exemption application?
13
Yes
 
Website addressright arrowN/A
14
The books are in care ofright arrowPACIFIC FOUNDATION SERVICES LLC Telephone no.right arrow (415) 561-6540

Located atright arrow1660 BUSH STREET SUITE 300SAN FRANCISCOCA ZIP+4right arrow94109
15
Section 4947(a)(1) nonexempt charitable trusts filing Form 990-PF in lieu of Form 1041 —check here .........right arrow
and enter the amount of tax-exempt interest received or accrued during the year ........right arrow
15
 
16 At any time during calendar year 2024, did the foundation have an interest in or a signature or other authority over YesNo
a bank, securities, or other financial account in a foreign country? .................
16   No
See the instructions for exceptions and filing requirements for FinCEN Form 114. If "Yes", enter the name of the foreign
country right arrow
Form 990-PF (2024)
Form 990-PF (2024)
Page 5
Part VI-B
Statements Regarding Activities for Which Form 4720 May Be Required
File Form 4720 if any item is checked in the "Yes" column, unless an exception applies.
Yes
No
1a
During the year did the foundation (either directly or indirectly):
(1) Engage in the sale or exchange, or leasing of property with a disqualified person? ...........
1a(1)
 
No
(2) Borrow money from, lend money to, or otherwise extend credit to (or accept it from)
a disqualified person? ..............................
1a(2)
 
No
(3) Furnish goods, services, or facilities to (or accept them from) a disqualified person? ...........
1a(3)
 
No
(4) Pay compensation to, or pay or reimburse the expenses of, a disqualified person? ............
1a(4)
 
No
(5) Transfer any income or assets to a disqualified person (or make any of either available
for the benefit or use of a disqualified person)? ......................
1a(5)
 
No
(6) Agree to pay money or property to a government official? (Exception. Check "No"
if the foundation agreed to make a grant to or to employ the official for a period
after termination of government service, if terminating within 90 days.) ...............
1a(6)
 
No
b
If any answer is "Yes" to 1a(1)–(6), did any of the acts fail to qualify under the exceptions described in Regulations
section 53.4941(d)-3 or in a current notice regarding disaster assistance? See instructions ..........
1b
 
 
c
Organizations relying on a current notice regarding disaster assistance check here ........right arrow
d
Did the foundation engage in a prior year in any of the acts described in 1a, other than excepted acts,
that were not corrected before the first day of the tax year beginning in 2024? .............
1d
 
No
2
Taxes on failure to distribute income (section 4942) (does not apply for years the foundation was a private
operating foundation defined in section 4942(j)(3) or 4942(j)(5)):
a
At the end of tax year 2024, did the foundation have any undistributed income (Part XII, lines 6d
and 6e) for tax year(s) beginning before 2024?....................
2a
 
No
If "Yes," list the years right arrow20, 20, 20, 20
b
Are there any years listed in 2a for which the foundation is not applying the provisions of section 4942(a)(2)
(relating to incorrect valuation of assets) to the year’s undistributed income? (If applying section 4942(a)(2)
to all years listed, answer "No" and attach statement—see instructions.) ..............
2b
 
 
c
If the provisions of section 4942(a)(2) are being applied to any of the years listed in 2a, list the years here.
right arrow20, 20, 20, 20
3a
Did the foundation hold more than a 2% direct or indirect interest in any business enterprise at
any time during the year? ..............................
3a
Yes
 
b
If "Yes," did it have excess business holdings in 2024 as a result of (1) any purchase by the foundation
or disqualified persons after May 26, 1969; (2) the lapse of the 5-year period (or longer period approved
by the Commissioner under section 4943(c)(7)) to dispose of holdings acquired by gift or bequest; or (3)
the lapse of the 10-, 15-, or 20-year first phase holding period? (Use Schedule C, Form 4720, to determine
if the foundation had excess business holdings in 2024.) .....................
3b
 
No
4a
Did the foundation invest during the year any amount in a manner that would jeopardize its charitable purposes?
4a
 
No
b
Did the foundation make any investment in a prior year (but after December 31, 1969) that could jeopardize its
charitable purpose that had not been removed from jeopardy before the first day of the tax year beginning in 2024? ..
4b
 
No
Form 990-PF (2024)
Form 990-PF (2024)
Page 6
Part VI-B
Statements Regarding Activities for Which Form 4720 May Be Required (continued)
5a
During the year did the foundation pay or incur any amount to:
Yes
No
(1) Carry on propaganda, or otherwise attempt to influence legislation (section 4945(e))? ..........
5a(1)
 
No
(2) Influence the outcome of any specific public election (see section 4955); or to carry
on, directly or indirectly, any voter registration drive? ....................
5a(2)
 
No
(3) Provide a grant to an individual for travel, study, or other similar purposes? .............
5a(3)
 
No
(4) Provide a grant to an organization other than a charitable, etc., organization described
in section 4945(d)(4)(A)? See instructions ........................
5a(4)
Yes
 
(5) Provide for any purpose other than religious, charitable, scientific, literary, or
educational purposes, or for the prevention of cruelty to children or animals? .............
5a(5)
 
No
b
If any answer is "Yes" to 5a(1)–(5), did any of the transactions fail to qualify under the exceptions described in
Regulations section 53.4945 or in a current notice regarding disaster assistance? See instructions ........
5b
 
No
c
Organizations relying on a current notice regarding disaster assistance check .........right arrow
d
If the answer is "Yes" to question 5a(4), does the foundation claim exemption from the
tax because it maintained expenditure responsibility for the grant? .................
5d
Yes
 
If "Yes," attach the statement required by Regulations section 53.4945–5(d). Click to see attachment
List of Attached Documents:
// Content
6a
Did the foundation, during the year, receive any funds, directly or indirectly, to pay premiums on
a personal benefit contract? .............................
6a
 
No
b
Did the foundation, during the year, pay premiums, directly or indirectly, on a personal benefit contract? ....
6b
 
No
If "Yes" to 6b, file Form 8870.
7a
At any time during the tax year, was the foundation a party to a prohibited tax shelter transaction?
7a
 
No
b
If "Yes", did the foundation receive any proceeds or have any net income attributable to the transaction? .....
7b
 
 
8
Is the foundation subject to the section 4960 tax on payment(s) of more than $1,000,000 in remuneration or
excess parachute payment during the year? .........................
8
 
No
Part VII
Information About Officers, Directors, Trustees, Foundation Managers, Highly Paid Employees,
and Contractors
1 List all officers, directors, trustees, foundation managers and their compensation. See instructions
(a) Name and address (b) Title, and average
hours per week
devoted to position 		(c) Compensation
 (If not paid, enter
-0-) 		(d) Contributions to employee benefit plans and deferred compensation (e) Expense account,
other allowances
DENNIS TROPER AS OF 924 PRESIDENT
0.50 		0 0 0
1660 BUSH STREET SUITE 300
SAN FRANCISCO,CA94109
STEPHEN MAGOWAN AS OF 924 TREASURER/SECRETARY
0.50 		0 0 0
1660 BUSH STREET SUITE 300
SAN FRANCISCO,CA94109
SUSAN WOJCICKI UNTIL 924 PRESIDENT
0.50 		0 0 0
1660 BUSH STREET SUITE 300
SAN FRANCISCO,CA94109
DENNIS TROPER UNTIL 924 TREASURER/SECRETARY
0.50 		0 0 0
1660 BUSH STREET SUITE 300
SAN FRANCISCO,CA94109
2 Compensation of five highest-paid employees (other than those included on line 1—see instructions). If none, enter “NONE."
(a) Name and address of each employee paid more than $50,000 (b) Title, and average
hours per week
devoted to position 		(c) Compensation (d) Contributions to
employee benefit
plans and deferred
compensation 		(e) Expense account,
other allowances
NONE
Total number of other employees paid over $50,000...................right arrow 0
Form 990-PF (2024)
Form 990-PF (2024)
Page 7
Part VII
Information About Officers, Directors, Trustees, Foundation Managers, Highly Paid Employees,
and Contractors (continued)
3 Five highest-paid independent contractors for professional services (see instructions). If none, enter "NONE".
(a) Name and address of each person paid more than $50,000 (b) Type of service (c) Compensation
23ANDME GENOME-WIDE ASSOCIATION STUDY 2,399,000
349 OYSTER POINT BLVD
SAN FRANCISCO,CA94080
REDWOOD PACIFIC MANAGEMENT LLC PHILANTHROPIC AND INVESTMENT ADVISING FEES 2,079,322
171 MAIN STREET SUITE 259
LOS ALTOS,CA94022
GOLDMAN SACHS INVESTMENT MANAGER 464,076
555 CALIFORNIA STREET 44TH FLOOR
SAN FRANCISCO,CA94104
MCGEE MEDIA LLC DEVELOPMENT & PRODUCTION 200,000
9 E 37TH ST 9FL
NEW YORK,NY10016
PACIFIC FOUNDATION SERVICES MANAGEMENT SERVICES 138,510
1660 BUSH STREET SUITE 300
SAN FRANCISCO,CA94109
Total number of others receiving over $50,000 for professional services.............right arrow0
Part VIII-A
Summary of Direct Charitable Activities
List the foundation’s four largest direct charitable activities during the tax year. Include relevant statistical information such as the number of organizations and other beneficiaries served, conferences convened, research papers produced, etc. Expenses
1  
2  
3  
4  
Part VIII-B
Summary of Program-Related Investments (see instructions)
Describe the two largest program-related investments made by the foundation during the tax year on lines 1 and 2. Amount
1  
2  
All other program-related investments. See instructions.
3  
Total. Add lines 1 through 3.........................right arrow0
Form 990-PF (2024)
Form 990-PF (2024)
Page 8
Part IX
Minimum Investment Return (All domestic foundations must complete this part. Foreign foundations, see instructions.)
1
Fair market value of assets not used (or held for use) directly in carrying out charitable, etc.,
purposes:
a
Average monthly fair market value of securities...................
1a
285,858,774
b
Average of monthly cash balances.......................
1b
3,620,556
c
Fair market value of all other assets (see instructions)................
1c
25,899,947
d
Total (add lines 1a, b, and c).........................
1d
315,379,277
e
Reduction claimed for blockage or other factors reported on lines 1a and
1c (attach detailed explanation) .............
1e
0
2
Acquisition indebtedness applicable to line 1 assets..................
2
0
3
Subtract line 2 from line 1d.........................
3
315,379,277
4
Cash deemed held for charitable activities. Enter 1.5% (0.015) of line 3 (for greater amount, see
instructions) .............................
4
4,730,689
5
Net value of noncharitable-use assets. Subtract line 4 from line 3. ............
5
310,648,588
6
Minimum investment return. Enter 5% (0.05) of line 5................
6
15,532,429
Part X
Distributable Amount (see instructions) (Section 4942(j)(3) and (j)(5) private operating foundations and certain foreign organizations check here right arrow and do not complete this part.)
1
Minimum investment return from Part IX, line 6..................
1
15,532,429
2a
Tax on investment income for 2024 from Part V, line 5 .......
2a
197,614
b
Income tax for 2024. (This does not include the tax from Part V.) ...
2b
 
c
Add lines 2a and 2b............................
2c
197,614
3
Distributable amount before adjustments. Subtract line 2c from line 1............
3
15,334,815
4
Recoveries of amounts treated as qualifying distributions................
4
0
5
Add lines 3 and 4............................
5
15,334,815
6
Deduction from distributable amount (see instructions).................
6
0
7
Distributable amount as adjusted. Subtract line 6 from line 5. Enter here and on Part XII, line 1 ...
7
15,334,815
Part XI
Qualifying Distributions (see instructions)
1
Amounts paid (including administrative expenses) to accomplish charitable, etc., purposes:
a
Expenses, contributions, gifts, etc.—total from Part I, column (d), line 26 ..........
1a
20,662,802
b
Program-related investments—total from Part VIII-B..................
1b
0
2
Amounts paid to acquire assets used (or held for use) directly in carrying out charitable, etc.,
purposes...............................
2
 
3
Amounts set aside for specific charitable projects that satisfy the:
a
Suitability test (prior IRS approval required)....................
3a
 
b
Cash distribution test (attach the required schedule) .................
3b
 
4
Qualifying distributions. Add lines 1a through 3b. Enter here and on Part XII, line 4. .......
4
20,662,802
Form 990-PF (2024)
Form 990-PF (2024)
Page 9
Part XII
Undistributed Income (see instructions)
(a)
Corpus 		(b)
Years prior to 2023 		(c)
2023 		(d)
2024
1 Distributable amount for 2024 from Part X, line 7 15,334,815
2 Undistributed income, if any, as of the end of 2024:
a Enter amount for 2023 only....... 0
b Total for prior years:20 , 20, 20 0
3 Excess distributions carryover, if any, to 2024:
a From 2019......  
b From 2020......  
c From 2021......  
d From 2022......  
e From 2023...... 5,307,766
f Total of lines 3a through e ........ 5,307,766
4Qualifying distributions for 2024 from Part
XI, line 4: right arrow$ 20,662,802
a Applied to 2023, but not more than line 2a 0
b Applied to undistributed income of prior years
(Election required—see instructions)..... 		0
c Treated as distributions out of corpus (Election
required—see instructions)........ 		0
d Applied to 2024 distributable amount..... 15,334,815
e Remaining amount distributed out of corpus 5,327,987
5 Excess distributions carryover applied to 2024. 0 0
(If an amount appears in column (d), the
same amount must be shown in column (a).)
6Enter the net total of each column as
indicated below:
a Corpus. Add lines 3f, 4c, and 4e. Subtract line 5 10,635,753
b Prior years’ undistributed income. Subtract
line 4b from line 2b .......... 		0
c Enter the amount of prior years’ undistributed
income for which a notice of deficiency has
been issued, or on which the section 4942(a)
tax has been previously assessed...... 		0
d Subtract line 6c from line 6b. Taxable amount
—see instructions ........... 		0
e Undistributed income for 2023. Subtract line
4a from line 2a. Taxable amount—see
instructions ............. 		0
f Undistributed income for 2024. Subtract
lines 4d and 5 from line 1. This amount must
be distributed in 2025 .......... 		0
7 Amounts treated as distributions out of
corpus to satisfy requirements imposed by
section 170(b)(1)(F) or 4942(g)(3) (Election may
be required - see instructions) ....... 		0
8 Excess distributions carryover from 2019 not
applied on line 5 or line 7 (see instructions) ... 		0
9 Excess distributions carryover to 2025.
Subtract lines 7 and 8 from line 6a ...... 		10,635,753
10 Analysis of line 9:
a Excess from 2020....  
b Excess from 2021....  
c Excess from 2022....  
d Excess from 2023.... 5,307,766
e Excess from 2024.... 5,327,987
Form 990-PF (2024)
Form 990-PF (2024)
Page 10
Part XIII
Private Operating Foundations (see instructions and Part VI-A, question 9)
1a If the foundation has received a ruling or determination letter that it is a private operating
foundation, and the ruling is effective for 2024, enter the date of the ruling ...... right arrow
 
b Check box to indicate whether the organization is a private operating foundation described in section or
2a Enter the lesser of the adjusted net
income from Part I or the minimum
investment return from Part IX for each
year listed .......... 		Tax year Prior 3 years (e) Total
(a) 2024 (b) 2023 (c) 2022 (d) 2021
         
b 85% (0.85) of line 2a .........          
c Qualifying distributions from Part XI,
line 4 for each year listed ..... 		         
d Amounts included in line 2c not used directly
for active conduct of exempt activities .......... 		         
e Qualifying distributions made directly
for active conduct of exempt activities.
Subtract line 2d from line 2c .... 		         
3 Complete 3a, b, or c for the
alternative test relied upon:
a “Assets" alternative test—enter:
(1) Value of all assets ......          
(2) Value of assets qualifying
under section 4942(j)(3)(B)(i)		          
b “Endowment" alternative test— enter 2/3
of minimum investment return shown in
Part IX, line 6 for each year listed .. 		         
c “Support" alternative test—enter:
(1) Total support other than gross
investment income (interest,
dividends, rents, payments
on securities loans (section
512(a)(5)), or royalties) .... 		         
(2) Support from general public
and 5 or more exempt
organizations as provided in
section 4942(j)(3)(B)(iii).... 		         
(3) Largest amount of support
from an exempt organization		          
(4) Gross investment income          
Part XIV
Supplementary Information (Complete this part only if the foundation had $5,000 or more in
assets at any time during the year—see instructions.)
1Information Regarding Foundation Managers:
aList any managers of the foundation who have contributed more than 2% of the total contributions received by the foundation
before the close of any tax year (but only if they have contributed more than $5,000). (See section 507(d)(2).)
DENNIS TROPER AS OF 924
SUSAN WOJCICKI UNTIL 924
DENNIS TROPER UNTIL 924
bList any managers of the foundation who own 10% or more of the stock of a corporation (or an equally large portion of the
ownership of a partnership or other entity) of which the foundation has a 10% or greater interest.
2Information Regarding Contribution, Grant, Gift, Loan, Scholarship, etc., Programs:
Check here right arrow if the foundation only makes contributions to preselected charitable organizations and does not accept
unsolicited requests for funds. If the foundation makes gifts, grants, etc. to individuals or organizations under
other conditions, complete items 2a, b, c, and d. See instructions
aThe name, address, and telephone number or email address of the person to whom applications should be addressed:
bThe form in which applications should be submitted and information and materials they should include:
cAny submission deadlines:
dAny restrictions or limitations on awards, such as by geographical areas, charitable fields, kinds of institutions, or other
factors:
Form 990-PF (2024)
Form 990-PF (2024)
Page 11
Part XIV
Supplementary Information (continued)
3 Grants and Contributions Paid During the Year or Approved for Future Payment
Recipient If recipient is an individual,
show any relationship to
any foundation manager
or substantial contributor
 Foundation
status of
recipient 		Purpose of grant or
contribution 		Amount
Name and address (home or business)
aPaid during the year

AMERICAN FRIENDS OF THE OCEAN CLEANUP FOUNDATION

228 EAST 45TH STREET SUITE 9E
NEW YORK,NY10017 		NONE PC GENERAL OPERATING SUPPORT 400,000

AMIGOS OF COSTA RICA INC

PO BOX 748
WEST CHESTER,PA19381 		NONE PC GENERAL OPERATING SUPPORT 150,000

AMIGOS OF COSTA RICA INC

PO BOX 748
WEST CHESTER,PA19381 		NONE PC IN SUPPORT OF CENTRO ISRAELITA SIONISTA 3,000

ANTI-DEFAMATION LEAGUE

605 3RD AVE
NEW YORK,NY10158 		NONE PC GENERAL OPERATING SUPPORT 100,000

BAY AREA FRIENDSHIP CIRCLE

3921 FABIAN WAY SUITE A023
PALO ALTO,CA94303 		NONE PC GENERAL OPERATING SUPPORT 30,000

BAY AREA FRIENDSHIP CIRCLE

3921 FABIAN WAY SUITE A023
PALO ALTO,CA94303 		NONE PC DRY ROT REPAIR 10,000

BEYOND FISTULA

191 PINE LANE
LOS ALTOS,CA94022 		NONE PC GENERAL OPERATING SUPPORT 15,000

BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIVERSITY

ARRILLAGA ALUMNI CENTER 326 GALVEZ
STREET
STANFORD,CA94305 		NONE PC SUPPORT THE TROPER-WOJCICKI FOR TIL CELL THERAPY RESEARCH FUND IN THE SCHOOL OF MEDICINE 300,000

BOYS & GIRLS CLUBS OF THE PENINSULA

401 PIERCE ROAD
MENLO PARK,CA94025 		NONE PC GENERAL OPERATING SUPPORT 250,000

CALIFORNIA ACADEMY OF SCIENCES

55 MUSIC CONCOURSE DRIVE GGP
SAN FRANCISCO,CA94118 		NONE PC GENERAL SUPPORT ($470K/YEAR) AND SCIENCE TRUSTEES TABLE AT THE ANNUAL GALA ($30K/YEAR) 500,000

CAMFED USA FOUNDATION

466 GEARY STREET SUITE 400
SAN FRANCISCO,CA94102 		NONE PC GENERAL OPERATING SUPPORT 100,000

THE CENTER FOR JEWISH LIFE INC

565 MAYFIELD AVENUE
STANFORD,CA94305 		NONE PC GENERAL OPERATING SUPPORT 30,000

CODEORG

1501 4TH AVENUE SUITE 900
SEATTLE,WA98101 		NONE PC GENERAL OPERATING SUPPORT 100,000

DANA-FARBER CANCER INSTITUTE INC

450 BROOKLINE AVENUE
BOSTON,MA02115 		NONE PC AMPVAX: A DISRUPTIVE PERSONAL CANCER VACCINE 606,667

DANA-FARBER CANCER INSTITUTE INC

450 BROOKLINE AVENUE
BOSTON,MA02115 		NONE PC IMPROVING TREATMENT OF ERBB2 LUNG CANCERS (IDENTIFYING SYNERGISTIC COMBINATION VIA CRISPR SCREEN) 414,000

EARTHJUSTICE

50 CALIFORNIA STREET SUITE 500
SAN FRANCISCO,CA94111 		NONE PC GENERAL OPERATING SUPPORT 500,000

ENVIRONMENTAL DEFENSE FUND INCORPORATED

257 PARK AVENUE SOUTH
NEW YORK,NY10010 		NONE PC GENERAL OPERATING SUPPORT 500,000

FOREVER FAMILY FOUNDATION

222 ATLANTIC AVENUE
OCEANSIDE,NY11572 		NONE PC GENERAL OPERATING SUPPORT 25,000

FRIENDS OF THE OSA

1300 I STREET NORTHWEST SUITE 400E
9996
WASHINGTON,DC20005 		NONE PC GENERAL OPERATING SUPPORT 250,000

GRASSROOTS ECOLOGY

3921 E BAYSHORE ROAD
PALO ALTO,CA94303 		NONE PC GENERAL OPERATING SUPPORT 25,000

GROWING TOGETHER BAY AREA INC

843 E MEADOW AVENUE
PINOLE,CA94564 		NONE PC FARMS TO COMMUNITIES PROGRAM 50,000

HAMILTON FAMILIES

2567 MISSION STREET
SAN FRANCISCO,CA94110 		NONE PC GENERAL OPERATING SUPPORT 500,000

HAPPY LUNGS PROJECT

3209 SUNNY LANE
AUSTIN,TX78731 		NONE PC GENERAL OPERATIONAL SUPPORT 306,667

HEIFER PROJECT INTERNATIONAL

ONE WORLD AVENUE
LITTLE ROCK,AR72202 		NONE PC GENERAL OPERATING SUPPORT 50,000

INNOCEANA

85 LANCASTER AVENUE
KENTFIELD,CA94904 		NONE PC GENERAL OPERATING SUPPORT 20,000

INSIGHT MEDITATION CENTER OF THE MID-PENINSULA

108 BIRCH STREET
REDWOOD CITY,CA94062 		NONE PC GENERAL OPERATING SUPPORT 1,000

INTERNATIONAL ASSOCIATION FOR THE STUDY OF LUNG CANCER

1775 SHERMAN STREET SUITE 1600
DENVER,CO80203 		NONE PC YOUNG INVESTIGATORS GRANT PROGRAM 100,000

INTERNATIONAL RESCUE COMMITTEE INC

1210 S BASCOM AVE SUITE 227
SAN JOSE,CA95128 		NONE PC GENERAL OPERATING SUPPORT 750,000

IOGENETICS

301 S BEDFORD STREET SUITE 1
MADISON,WI53703 		NONE ER IN VITRO MASS SPECTROMETRY ANALYSIS OF PEPTIDE CLEAVAGE 166,230

ISRAAID US INC

PO BOX 61227
PALO ALTO,CA94306 		NONE PC GENERAL OPERATING SUPPORT 200,000

LA JOLLA INSTITUTE FOR IMMUNOLOGY

9420 ATHENA CIRCLE
LA JOLLA,CA92037 		NONE PC TO SUPPORT EFFICIENT ISOLATION AND VALIDATION OF NEOAG-SPECIFIC TCRS FROM PRIMARY PBMC 500,000

LIFEMOVES

2550 GREAT AMERICA WAY SUITE 201
SANTA CLARA,CA95054 		NONE PC GENERAL OPERATING SUPPORT 100,000

LOS ALTOS MOUNTAIN VIEW COMMUNITY FOUNDATION

183 HILLVIEW AVENUE
LOS ALTOS,CA94022 		NONE PC IN SUPPORT OF MARCO'S MISSION 3,500

THE MALALA FUND

LOCKBOX 11114 PO BOX 70280
PHILADELPHIA,PA19176 		NONE PC GENERAL OPERATING SUPPORT 250,000

MEDECINS SANS FRONTIERS USA INC

333 SEVENTH AVENUE 2ND FLOOR
NEW YORK,NY10014 		NONE PC GENERAL OPERATING SUPPORT 333,333

MEMORIAL SLOAN-KETTERING CANCER CENTER

885 SECOND AVENUE 7TH FLOOR
NEW YORK,NY10017 		NONE GROUP A FIRST-IN-HUMAN CLINICAL TRIAL OF ENGINEERED TUMOR INFILTRATING LYMPHOCYTES WITH MEMBRANE BOUND IL15 PLUS ACETAZOLAMIDE IN METASTATIC NSCLC 1,000,000

NATURAL RESOURCES DEFENSE COUNCIL INC

40 WEST 20TH STREET
NEW YORK,NY10011 		NONE PC GENERAL OPERATING SUPPORT 500,000

THE NATURE CONSERVANCY

830 S STREET
SACRAMENTO,CA95811 		NONE PC GENERAL OPERATING SUPPORT 250,000

PARTNERS IN HEALTH

800 BOYLSTON STREET SUITE 300
BOSTON,MA02199 		NONE PC GENERAL OPERATING SUPPORT 750,000

PLANNED PARENTHOOD FEDERATION OF AMERICA INC

123 WILLIAM STREET 10TH FLOOR
NEW YORK,NY10038 		NONE PC GENERAL OPERATING SUPPORT 200,000

POPULATION SERVICES INTERNATIONAL

1120 19TH STREET NORTHWEST
WASHINGTON,DC20036 		NONE PC REPRODUCTIVE HEALTH & LIFESKILLS PROGRAMS (MAVERICK PORTFOLIO) 250,000

PRESIDENT AND FELLOWS OF HARVARD COLLEGE

124 MOUNT AUBURN STREET
CAMBRIDGE,MA02138 		NONE PC CLIMATE AND SUSTAINABILITY SEED GRANT PROGRAM 500,000

RAINFOREST TRUST

PO BOX 841
WARRENTON,VA20188 		NONE PC GENERAL OPERATING SUPPORT 1,000,000

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA SAN FRANCISCO

C/O UCSF OFFICE OF SPONSORED
RESEARCH BOX 0962 490 ILLINOIS STRE
SAN FRANCISCO,CA94158 		NONE PC CLINICAL TUMOR TME ACQUIRED RESISTANCE 460,000

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA SAN FRANCISCO

C/O UCSF OFFICE OF SPONSORED
RESEARCH BOX 0962 490 ILLINOIS STRE
SAN FRANCISCO,CA94158 		NONE PC ANTIBODY DIRECTED RELEASE OF TARGETED THERAPIES FOR OVERCOMING ON-TARGET TOXICITY IN HER2-MUTANT NSCLC 220,243

RESOURCE AREA FOR TEACHING

1355 RIDDER PARK DRIVE
SAN JOSE,CA95131 		NONE PC GENERAL OPERATING SUPPORT 10,000

ROOM TO READ

465 CALIFORNIA STREET SUITE 1000
SAN FRANCISCO,CA94104 		NONE PC GENERAL OPERATING SUPPORT 1,000,000

SAVE THE REDWOODS LEAGUE

111 SUTTER STREET 11TH FLOOR
SAN FRANCISCO,CA94104 		NONE PC GENERAL OPERATING SUPPORT 200,000

SECOND HARVEST OF SILICON VALLEY

4001 N FIRST STREET
SAN JOSE,CA95134 		NONE PC GENERAL OPERATING SUPPORT 250,000

SEMPERVIRENS FUND

PO BOX 1417
LOS ALTOS,CA94023 		NONE PC GENERAL OPERATING SUPPORT 200,000

TAWONGA JEWISH COMMUNITY CORPORATION

131 STEUART STREET SUITE 460
SAN FRANCISCO,CA94105 		NONE PC GENERAL OPERATING SUPPORT 25,000

THE TECH INTERACTIVE

201 SOUTH MARKET STREET
SAN JOSE,CA95113 		NONE PC GENERAL OPERATING SUPPORT 1,000

TEENSMART INTERNATIONAL

107 APPLE CART WAY
MORRISVILLE,NC27560 		NONE PC GENERAL OPERATING SUPPORT 50,000

UC BERKELEY FOUNDATION

1995 UNIVERSITY AVENUE SUITE 401
BERKELEY,CA94704 		NONE PC GENERAL OPERATING SUPPORT OF GRIZZLYCORPS 50,000

UC BERKELEY FOUNDATION

1995 UNIVERSITY AVENUE SUITE 401
BERKELEY,CA94704 		NONE PC MARCO TROPER SCHOLARSHIP 400,000

UCLA FOUNDATION

10889 WILSHIRE BLVD 1100
LOS ANGELES,CA90024 		NONE PC $10,000 FOR THE BOA FUND AND $10,000 FOR THE JOHN WOODEN LEADERSHIP FELLOWS PROGRAM 20,000

UNIVERSITY OF CAMBRIDGE

THE OLD SCHOOLS TRINITY LANE
CAMBRIDGE   CB2 1
UK 		NONE ER FOR THE CHARITABLE ACTIVITIES OF THE LUNG CANCER WORKSHOP BEING ORGANIZED BY THE EARLY CANCER INSTITUTE 75,000

THE UNIVERSITY OF TEXAS MD ANDERSON CANCER CENTER

PO BOX 4486
HOUSTON,TX77210 		NONE GOVT TO SUPPORT THE INVESTIGATION OF SECONDARY HER2 MUTATIONS AND THEIR IMPACT ON HER2 TKI SENSITIVITY UNDER THE STEWARDSHIP OF THE CHAIR OF THORACIC/HEAD AND NECK MEDICAL ONCOLOGY 300,816

VANDERBILT UNIVERSITY

BAKER BUILDING SUITE 800 110 21ST
AVENUE SOUTH
NASHVILLE,TN37203 		NONE PC CIRCULATING TUMOR CELL DERIVED ORGANOIDS FOR NSCLC 228,000

WATER ORG INC

117 WEST 20TH STREET SUITE 203
KANSAS CITY,MO64108 		NONE PC GENERAL OPERATING SUPPORT 250,000
Total .................................right arrow 3a 15,829,456
bApproved for future payment
Total ................................. right arrow 3b 0
Form 990-PF (2024)
Form 990-PF (2024)
Page 12
Part XV-A
Analysis of Income-Producing Activities
Enter gross amounts unless otherwise indicated. Unrelated business income Excluded by section 512, 513, or 514 (e)
Related or exempt
function income
(See instructions.)
1Program service revenue: (a)
Business code 		(b)
Amount 		(c)
Exclusion code 		(d)
Amount
a
b
c
d
e
f
gFees and contracts from government agencies          
2 Membership dues and assessments ....          
3 Interest on savings and temporary cash
investments ........... 		    14 1,653,521  
4 Dividends and interest from securities ....     14 3,394,466  
5 Net rental income or (loss) from real estate:
aDebt-financed property......          
bNot debt-financed property.....          
6 Net rental income or (loss) from personal property          
7 Other investment income .....          
8 Gain or (loss) from sales of assets other than
inventory ............ 		    18 10,386,631  
9 Net income or (loss) from special events:          
10 Gross profit or (loss) from sales of inventory     14    
11 Other revenue:
aOTHER INCOME 		    14 1,009  
b
c
d
e
12 Subtotal. Add columns (b), (d), and (e) .. 0 15,435,627 0
13Total. Add line 12, columns (b), (d), and (e)..................
13
15,435,627
(See worksheet in line 13 instructions to verify calculations.)
Part XV-B
Relationship of Activities to the Accomplishment of Exempt Purposes
Line No.
DownArrow 		Explain below how each activity for which income is reported in column (e) of Part XV-A contributed importantly to
the accomplishment of the foundation’s exempt purposes (other than by providing funds for such purposes). (See
instructions.)
Form 990-PF (2024)
Form 990-PF (2024)
Page 13
Part XVI
Information Regarding Transfers To and Transactions and Relationships With Noncharitable Exempt Organizations
1
Did the organization directly or indirectly engage in any of the following with any other organization described in section 501(c) (other than section 501(c)(3) organizations) or in section 527, relating to political organizations?
Yes
No
a
Transfers from the reporting foundation to a noncharitable exempt organization of:
(1) Cash...................................
1a(1)
 
No
(2) Other assets.................................
1a(2)
 
No
b
Other transactions:
(1) Sales of assets to a noncharitable exempt organization....................
1b(1)
 
No
(2) Purchases of assets from a noncharitable exempt organization..................
1b(2)
 
No
(3) Rental of facilities, equipment, or other assets.......................
1b(3)
 
No
(4) Reimbursement arrangements...........................
1b(4)
 
No
(5) Loans or loan guarantees.............................
1b(5)
 
No
(6) Performance of services or membership or fundraising solicitations................
1b(6)
 
No
c
Sharing of facilities, equipment, mailing lists, other assets, or paid employees..............
1c
 
No
d
If the answer to any of the above is "Yes," complete the following schedule. Column (b) should always show the fair market value
of the goods, other assets, or services given by the reporting foundation. If the foundation received less than fair market value
in any transaction or sharing arrangement, show in column (d) the value of the goods, other assets, or services received.
(a) Line No. (b) Amount involved (c) Name of noncharitable exempt organization (d) Description of transfers, transactions, and sharing arrangements
2a
Is the foundation directly or indirectly affiliated with, or related to, one or more tax-exempt organizations
described in section 501(c) (other than section 501(c)(3)) or in section 527? ...........
b
If "Yes," complete the following schedule.

(a) Name of organization (b) Type of organization (c) Description of relationship
Sign Here
Under penalties of perjury, I declare that I have examined this return, including accompanying schedules and statements, and to the best of my knowledge and belief, it is true, correct, and complete. Declaration of preparer (other than taxpayer) is based on all information of which preparer has any knowledge.
right arrow right arrow
May the IRS discuss this return
with the preparer shown below?
See instructions.
Signature of officer or trustee Date Title
Paid Preparer Use Only Print/Type preparer's name Preparer's Signature Date Check if self-
employed right arrow		 PTIN
Firm's name Right Arrow
 Firm's EIN Right Arrow
Firm's address Right Arrow


 Phone no.
Form 990-PF (2024)
Additional Data


Software ID:  
Software Version:  


Form 990PF - Special Condition Description:
Special Condition Description
Schedule B
(Form 990)
(Rev. January 2025)
Department of the Treasury
Internal Revenue Service
Schedule of Contributors

right arrow Attach to Form 990, 990-EZ, or 990-PF.
right arrow Go to www.irs.gov/Form990 for the latest information.
OMB No. 1545-0047
Name of the organization
TROPER WOJCICKI FOUNDATION
 
Employer identification number

20-2777268
Organization type (check one):
Filers of:
Section:
Form 990 or 990-EZ
501(c)( ) (enter number) organization

4947(a)(1) nonexempt charitable trust not treated as a private foundation

527 political organization


Form 990-PF
501(c)(3) exempt private foundation

4947(a)(1) nonexempt charitable trust treated as a private foundation

501(c)(3) taxable private foundation
Check if your organization is covered by the General Rule or a Special Rule.  
Note:  Only a section 501(c)(7), (8), or (10) organization can check boxes for both the General Rule and a Special Rule. See instructions.
General Rule
For an organization filing Form 990, 990-EZ, or 990-PF that received, during the year, contributions totaling $5,000 or more (in money or other property) from any one contributor. Complete Parts I and II. See instructions for determining a contributor's total contributions.
Special Rules
For an organization described in section 501(c)(3) filing Form 990 or 990-EZ that met the 331/3% support test of the regulations
under sections 509(a)(1) and 170(b)(1)(A)(vi), that checked Schedule A (Form 990 or 990-EZ), Part II, line 13, 16a, or 16b, and that received from any one contributor, during the year, total contributions of the greater of (1) $5,000 or (2) 2% of the amount on (i) Form 990, Part VIII, line 1h, or (ii) Form 990-EZ, line 1. Complete Parts I and II.
For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, total contributions of more than $1,000 exclusively for religious, charitable, scientific, literary, or educational purposes, or for the prevention of cruelty to children or animals. Complete Parts I, II, and III.
For an organization described in section 501(c)(7), (8), or (10) filing Form 990 or 990-EZ that received from any one contributor,
during the year, contributions exclusively for religious, charitable, etc., purposes, but no such contributions totaled more than $1,000. If this box is checked, enter here the total contributions that were received during the year for an exclusively religious, charitable, etc., purpose. Don't complete any of the parts unless the General Rule applies to this organization because it received nonexclusively religious, charitable, etc., contributions totaling $5,000 or more during the year ......... Right Arrow $  
Caution: An organization that isn't covered by the General Rule and/or the Special Rules doesn't file Schedule B (Form 990,
990-EZ, or 990-PF), but it must answer “No” on Part IV, line 2, of its Form 990; or check the box on line H of its Form 990-EZ
or on its Form 990PF, Part I, line 2, to certify that it doesn't meet the filing requirements of Schedule B (Form 990,
990-EZ, or 990-PF).
For Paperwork Reduction Act Notice, see the Instructions
for Form 990, 990-EZ, or 990-PF.
Cat. No. 30613XSchedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025) Page 2
Name of organization
TROPER WOJCICKI FOUNDATION
  		Employer identification number
20-2777268
Part I
Contributors (see instructions). Use duplicate copies of Part I if additional space is needed.
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
1
DENNIS TROPER AND SUSAN WOJCICKI
1660 BUSH STREET SUITE 300
 
SAN FRANCISCO, CA94109

$ 6,349,979


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
2
THE PACUARE CLAT
 
PO BOX 1936
 
LOS ALTOS, CA94023

$ 559,691


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
3
DENNIS TROPER AND SUSAN WOJCICKI
1660 BUSH STREET SUITE 300
 
SAN FRANCISCO, CA94109

$ 2,300,000


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
4
DENNIS TROPER
1660 BUSH STREET SUITE 300
 
SAN FRANCISCO, CA94109

$ 4,916,943


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
5
DENNIS TROPER
1660 BUSH STREET SUITE 300
 
SAN FRANCISCO, CA94109

$ 3,700,000


(Complete Part II for noncash contributions.)
(a)
No.		 (b)
Name, address, and ZIP + 4		 (c)
Total contributions		 (d)
Type of contribution
 
 
 
 

$  


(Complete Part II for noncash contributions.)
Schedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025)
Page 3
Name of organization
TROPER WOJCICKI FOUNDATION
  		Employer identification number

20-2777268
Part II
Noncash Property (see instructions). Use duplicate copies of Part II if additional space is needed.
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
1
 35,826 SHS ALPHABET INC. CLASS C $ 6,349,979 2024-05-29
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
4
 26,008 SHS ALPHABET INC. CLASS C $ 4,916,943 2024-12-20
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
(a)
No. from Part I 		(b)
Description of noncash property given 		(c)
FMV (or estimate)
(See instructions) 		(d)
Date received
 
$    
Schedule B (Form 990) (Rev. 1-2025)
Schedule B (Form 990) (Rev. 1-2025)
Page 4
Name of organization
TROPER WOJCICKI FOUNDATION
  		Employer identification number

20-2777268
Part III
Exclusively religious, charitable, etc., contributions to organizations described in section 501(c) (7), (8), or (10) that total more than $1,000 for the year from any one contributor. Complete columns (a) through (e) and the following line entry. For organizations completing Part III, enter the total of exclusively religious, charitable, etc., contributions of $1,000 or less for the year. (Enter this information once. See instructions.) $  
Use duplicate copies of Part III if additional space is needed.
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
(a)
No. from Part I		 (b) Purpose of gift (c) Use of gift (d) Description of how gift is held
 
(e) Transfer of gift
Transferee's name, address, and ZIP 4 Relationship of transferor to transferee
 
 
     
 
Schedule B (Form 990) (Rev. 1-2025)
Additional Data


Software ID:  
Software Version:  

TY 2024 AccountingFeesSchedule
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
AUDIT SERVICE FEES 75,000 0   75,000
TAX COMPLIANCE SERVICE FEES 37,500 18,750   18,750

Note: To capture the full content of this document, please select landscape mode (11" x 8.5") when printing.

TY 2024 ExpenditureResponsibilityStmt
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Grantee's Name Grantee's Address Grant Date Grant Amount Grant Purpose Amount Expended By Grantee Any Diversion By Grantee? Dates of Reports By Grantee Date of Verification Results of Verification
IOGENETICS
  		301 S BEDFORD ST SUITE 1
MADISON,WI53703 		2024-02-16 166,230 IN VITRO MASS SPECTROMETRY ANALYSIS OF PEPTIDE CLEAVAGE 166,230 NONE 7/14/2025 2025-07-30 GRANT FUNDS WERE USED TOWARD INTENDED PURPOSE
UNIVERSITY OF CAMBRIDGE
  		THE OLD SCHOOLS TRINITY LANE
CAMBRIDGE    
UK 		2024-04-15 75,000 FOR THE CHARITABLE ACTIVITIES OF THE LUNG CANCER WORKSHOP BEING ORGANIZED BY THE EARLY CANCER INSTITUTE 33,708 NONE 01/29/25 2025-01-29 GRANT FUNDS WERE USED TOWARD INTENDED PURPOSE
OSE THERAPIES
  		RUE DU BUGNON 8 1005
LAUSANNE    
SZ 		2023-12-15 20,000 SUPPORT OF CHARITABLE ACTIVITIES 434 NONE 6/10/2025 2025-06-23 GRANT FUNDS WERE USED TOWARD INTENDED PURPOSE

TY 2024 InvestmentsOtherSchedule2
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Category/ Item Listed at Cost or FMV Book Value End of Year Fair Market Value
TOTAL EQUITIES FMV 238,393,333 238,393,333
TOTAL FIXED INCOME FMV 67,280,271 67,280,271
TOTAL ALTERNATIVE INVESTMENT FMV 25,899,947 25,899,947

TY 2024 LegalFeesSchedule
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
LEGAL FEES 3,458 0   3,458


TY 2024 OtherExpensesSchedule
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Description Revenue and Expenses per Books Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
STATE FILING FEES 1,600 0   1,600
TOTAL 2% DEDUCTIONS FROM K-1S 0 193,085   0
TOTAL OTHER EXPENSES FROM K-1S 0 1,348   0


TY 2024 OtherIncomeSchedule2
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Description Revenue And Expenses Per Books Net Investment Income Adjusted Net Income
OTHER INCOME FROM K-1S   38,805  
OTHER INCOME 1,009 1,009 1,009


TY 2024 OtherIncreasesSchedule
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Description Amount
PRECONTRIBUTION GAIN 38,572,232


TY 2024 OtherProfessionalFeesSchedule
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
PHILANTHROPIC ADVISOR FEES 1,747,695 174,769   1,572,926
INVESTMENT MANAGEMENT FEES 464,076 464,076   0
FOUNDATION MANAGEMENT FEES 138,510 0   138,510
GENOME-WIDE ASSOCIATION STUDY 2,467,475 0   2,467,475
DEVELOPMENT & PRODUCTION 200,000 0   200,000
PHILANTHROPIC ADVISOR REIMBURSEMENTS 331,627 0   331,627
SCIENTIFIC ADVISORS FEE 24,000 0   24,000


TY 2024 TaxesSchedule
Name:
TROPER WOJCICKI FOUNDATION
EIN:
20-2777268
Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
FOREIGN TAXES 58,656 58,656   0
FEDERAL EXCISE TAXES 280,000 0   0