Form990-PF


Department of the Treasury
Internal Revenue Service

Return of Private Foundation
or Section 4947(a)(1) Trust Treated as Private Foundation
bulletDo not enter social security numbers on this form as it may be made public.
bulletGo to www.irs.gov/Form990PF for instructions and the latest information.
OMB No. 1545-0047
2021
Open to Public Inspection
For calendar year 2021, or tax year beginning 06-01-2021 , and ending 05-31-2022
Name of foundation
MILLSTONE FOUNDATION
 
Number and street (or P.O. box number if mail is not delivered to street address)7733 FORSYTH BLVD 1525
  Room/suite
City or town, state or province, country, and ZIP or foreign postal code
ST LOUIS, MO63105
A Employer identification number

43-6027373
B Telephone number (see instructions)

(314) 450-7803
C bullet
G Check all that apply:

D 1. Foreign organizations, check here............. bullet
2. Foreign organizations meeting the 85%
test, check here and attach computation ... bullet
E bullet
H Check type of organization:
F bullet
I Fair market value of all assets at end
of year (from Part II, col. (c),
line 16)bullet$9,111,050J 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)  
2 Check bullet.............
3 Interest on savings and temporary cash investments 39,064 39,064  
4 Dividends and interest from securities... 76,697 76,697  
5a Gross rents............      
b Net rental income or (loss)  
6a Net gain or (loss) from sale of assets not on line 10 1,292,695
b Gross sales price for all assets on line 6a 2,208,464
7 Capital gain net income (from Part IV, line 2)... 1,292,695
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 0 36,720  
12 Total. Add lines 1 through 11........ 1,408,456 1,445,176  
Operating and Administrative Expenses 13 Compensation of officers, directors, trustees, etc. 72,000 36,000   36,000
14 Other employee salaries and wages......        
15 Pension plans, employee benefits.......        
16a Legal fees (attach schedule).........        
b Accounting fees (attach schedule)....... Click to see attachment 33,707 16,854   16,853
c Other professional fees (attach schedule)....        
17 Interest...............        
18 Taxes (attach schedule) (see instructions)... Click to see attachment 28,403 3,273   3,273
19 Depreciation (attach schedule) and depletion...      
20 Occupancy.............. 23,216 11,608   11,608
21 Travel, conferences, and meetings.......        
22 Printing and publications..........        
23 Other expenses (attach schedule)....... Click to see attachment 23,106 21,758   1,352
24 Total operating and administrative expenses.
Add lines 13 through 23.......... 180,432 89,493   69,086
25 Contributions, gifts, grants paid....... 683,080 683,080
26 Total expenses and disbursements. Add lines 24 and 25 863,512 89,493   752,166
27 Subtract line 26 from line 12:
a Excess of revenue over expenses and disbursements 544,944
b Net investment income (if negative, enter -0-) 1,355,683
c Adjusted net income (if negative, enter -0-)...  
For Paperwork Reduction Act Notice, see instructions.
Cat. No. 11289X Form 990-PF (2021)
Form 990-PF (2021)
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............. 108,346 830,421 830,421
2 Savings and temporary cash investments......... 355,393 88,360 88,360
3 Accounts receivable bullet  
Less: allowance for doubtful accounts bullet        
4 Pledges receivable bullet  
Less: allowance for doubtful accounts bullet        
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) bullet757,733
Less: allowance for doubtful accounts bullet0 332,671 757,733 757,733
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)....... 2,765,019 Click to see attachment2,755,822 4,040,286
c Investments—corporate bonds (attach schedule).......      
11 Investments—land, buildings, and equipment: basis bullet  
Less: accumulated depreciation (attach schedule) bullet        
12 Investments—mortgage loans.............      
13 Investments—other (attach schedule).......... 1,428,027 Click to see attachment1,120,056 3,394,250
14 Land, buildings, and equipment: basis bullet  
Less: accumulated depreciation (attach schedule) bullet        
15 Other assets (describe bullet) Click to see attachment5,374 Click to see attachment0 Click to see attachment0
16 Total assets (to be completed by all filers—see the
instructions. Also, see page 1, item I) 4,994,830 5,552,392 9,111,050
Liabilities 17 Accounts payable and accrued expenses.......... 866  
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 bullet) Click to see attachment0 Click to see attachment13,484
23 Total liabilities (add lines 17 through 22)......... 866 13,484
Net Assets or Fund Balances Foundations that follow FASB ASC 958, check here bullet
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 bullet
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 4,993,964 5,538,908
29 Total net assets or fund balances (see instructions)..... 4,993,964 5,538,908
30 Total liabilities and net assets/fund balances (see instructions). 4,994,830 5,552,392
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
4,993,964
2
Enter amount from Part I, line 27a .....................
2
544,944
3
Other increases not included in line 2 (itemize) bullet
3
0
4
Add lines 1, 2, and 3 ..........................
4
5,538,908
5
Decreases not included in line 2 (itemize) bullet
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
5,538,908
Form 990-PF (2021)
Form 990-PF (2021)
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 MORGAN STANLEY #1471 P 2021-05-31 2022-05-31
b MORGAN STANLEY #2531 P 2021-05-31 2022-05-31
c ARROWROCK DISTRIBUTION IN EXCESS OF BASIS P 2021-05-31 2022-05-31
d RAPID RATINGS P 2021-05-31 2022-05-31
e LC CO-INVEST HOLDINGS LP P 2021-05-31 2022-05-31
  P    
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 629,643   419,174 210,469
b 341,263   192,104 149,159
c 36,651     36,651
d 960,222   262,192 698,030
e 228,673   42,299 186,374
      0
12,012     12,012
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       210,469
b       149,159
c       36,651
d       698,030
e       186,374
      0
      12,012
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 1,292,695
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  
Form 990-PF (2021)
Form 990-PF (2021)
Page 4
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 Bullet 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)
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 18,844
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 18,844
6 Credits/Payments:
a 2021 estimated tax payments and 2020 overpayment credited to 2021 6a 8,374
b Exempt foreign organizations—tax withheld at source...... 6b 0
c Tax paid with application for extension of time to file (Form 8868)... 6c 25,000
d Backup withholding erroneously withheld ........... 6d 0
7 Total credits and payments. Add lines 6a through 6d.............. 7 33,374
8 Enter any penalty for underpayment of estimated tax. Check here if Form 2220 is attached. 8 0
9 Tax due. If the total of lines 5 and 8 is more than line 7, enter amount owed.......Bullet 9  
10 Overpayment. If line 7 is more than the total of lines 5 and 8, enter the amount overpaid...Bullet 10 14,530
11 Enter the amount of line 10 to be: Credited to 2022 estimated taxBullet14,530 RefundedBullet 11 0
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. bullet$ 0(2) On foundation managers.bullet$ 0
e
Enter the reimbursement (if any) paid by the foundation during the year for political expenditure tax imposed
on foundation managers.bullet$ 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
 
No
4a
Did the foundation have unrelated business gross income of $1,000 or more during the year?.........
4a
Yes
 
b
If "Yes," has it filed a tax return on Form 990-T for this year?...................
4b
Yes
 
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:
  • By language in the governing instrument, or
  • 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)
    bulletMO
    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 2021 or the taxable year beginning in 2021? 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
    Form 990-PF (2021)
    Form 990-PF (2021)
    Page 5
    Part VI-A
    Statements Regarding Activities (continued)
    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 addressbulletN/A
    14
    The books are in care ofbulletROBERT D MILLSTONE Telephone no.bullet (314) 721-1932

    Located atbullet7733 FORSYTH BLVD SUITE 1525ST LOUISMO ZIP+4bullet63105
    15
    Section 4947(a)(1) nonexempt charitable trusts filing Form 990-PF in lieu of Form 1041 —check here .........bullet
    and enter the amount of tax-exempt interest received or accrued during the year ........bullet
    15
     
    16 At any time during calendar year 2021, 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 bullet
    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
    ........bullet
    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 2021? .............
    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 2021, did the foundation have any undistributed income (lines 6d
    and 6e, Part XII) for tax year(s) beginning before 2021?....................
    2a
     
    No
    If "Yes," list the years bullet20, 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.
    bullet20, 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 2021 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 2021.) .....................
    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 2021? ..
    4b
     
    No
    Form 990-PF (2021)
    Form 990-PF (2021)
    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)
     
    No
    (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
     
     
    c
    .........bullet
    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
     
     
    If "Yes," attach the statement required by Regulations section 53.4945–5(d).
    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
    ROBERT D MILLSTONE PRESIDENT & DIRECTOR
    0.00     		0 0 0
    7701 FORSYTH BLVD SUITE 925
    ST LOUIS,MO63105
    COLLEEN MILLSTONE DIRECTOR
    20.00     		72,000 0 0
    7701 FORSYTH BLVD SUITE 925
    ST LOUIS,MO63105
    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...................bullet 0
    Form 990-PF (2021)
    Form 990-PF (2021)
    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
    NONE
    Total number of others receiving over $50,000 for professional services.............bullet0
    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.........................bullet0
    Form 990-PF (2021)
    Form 990-PF (2021)
    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
    4,021,743
    b
    Average of monthly cash balances.......................
    1b
    686,647
    c
    Fair market value of all other assets (see instructions)................
    1c
    4,234,360
    d
    Total (add lines 1a, b, and c).........................
    1d
    8,942,750
    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
    8,942,750
    4
    Cash deemed held for charitable activities. Enter 1.5% (0.015) of line 3 (for greater amount, see
    instructions) .............................
    4
    134,141
    5
    Net value of noncharitable-use assets. Subtract line 4 from line 3. .......
    5
    8,808,609
    6
    Minimum investment return. Enter 5% (0.05) of line 5................
    6
    440,430
    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
    440,430
    2a
    Tax on investment income for 2021 from Part V, line 5.......
    2a
    18,844
    b
    Income tax for 2021. (This does not include the tax from Part V.) ...
    2b
    3,038
    c
    Add lines 2a and 2b............................
    2c
    21,882
    3
    Distributable amount before adjustments. Subtract line 2c from line 1............
    3
    418,548
    4
    Recoveries of amounts treated as qualifying distributions................
    4
    0
    5
    Add lines 3 and 4............................
    5
    418,548
    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
    418,548
    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
     
    b
    Program-related investments—total from Part VIII-B..................
    1b
     
    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
     
    Form 990-PF (2021)
    Form 990-PF (2021)
    Page 9
    Part XII
    Undistributed Income (see instructions)
    (a)
    Corpus     		(b)
    Years prior to 2020     		(c)
    2020     		(d)
    2021
    1 Distributable amount for 2021 from Part X, line 7 418,548
    2 Undistributed income, if any, as of the end of 2021:
    a Enter amount for 2020 only....... 0
    b Total for prior years:20, 20, 20 0
    3 Excess distributions carryover, if any, to 2021:
    a From 2016...... 191,198
    b From 2017...... 203,227
    c From 2018...... 389,046
    d From 2019...... 264,106
    e From 2020...... 238,486
    f Total of lines 3a through e ........ 1,286,063
    4Qualifying distributions for 2021 from Part
    XI, line 4: bullet$ 752,166
    a Applied to 2020, 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 2021 distributable amount..... 418,548
    e Remaining amount distributed out of corpus 333,618
    5 Excess distributions carryover applied to 2021. 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 1,619,681
    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 2019. Subtract line
    4a from line 2a. Taxable amount—see
    instructions .............     		0
    f Undistributed income for 2021. Subtract
    lines 4d and 5 from line 1. This amount must
    be distributed in 2022 ..........     		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 2016 not
    applied on line 5 or line 7 (see instructions) ...     		191,198
    9 Excess distributions carryover to 2022.
    Subtract lines 7 and 8 from line 6a ......     		1,428,483
    10 Analysis of line 9:
    a Excess from 2017.... 203,227
    b Excess from 2018.... 389,046
    c Excess from 2019.... 264,106
    d Excess from 2020.... 238,486
    e Excess from 2021.... 333,618
    Form 990-PF (2021)
    Form 990-PF (2021)
    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 2021, enter the date of the ruling ....... bullet
     
    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 X for each
    year listed ..........     		Tax year Prior 3 years (e) Total
    (a) 2021 (b) 2020 (c) 2019 (d) 2018
             
    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).)
    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 bullet
    aThe name, address, and telephone number or e-mail address of the person to whom applications should be addressed:
    ROBERT D MILLSTONE
    7733 FORSYTH BLVD STE 1525
    ST LOUIS,MO63105
    (314) 721-8815
    bThe form in which applications should be submitted and information and materials they should include:
    IN WRITTEN FORM WITH COMPLETE INFORMATION
    cAny submission deadlines:
    NONE
    dAny restrictions or limitations on awards, such as by geographical areas, charitable fields, kinds of institutions, or other
    factors:
    NONE
    Form 990-PF (2021)
    Form 990-PF (2021)
    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
    BIXBY MEMORIAL LIBRARY
    258 MAIN STREET
    VERGENNES,VT05491     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,500
    CENTER FOR CREATIVE ARTS (COCA)
    6880 WASHINGTON AVE
    ST LOUIS,MO63130     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 65,000
    CENTRAL REFORM CONGREGATION
    5010 WATERMAN
    ST LOUIS,MO63108     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 10,000
    CROWN CENTER
    671 PROSPECT PL
    BROOKLYN,NY11216     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,000
    CYSTIC FIBROSIS FOUNDATION
    8251 MARYLAND AVE SUITE 16
    CLAYTON,MO63105     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 2,500
    FOREST PARK FOREVER
    5595 GRAND DR
    ST LOUIS,MO63112     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,980
    FRIENDS OF THE UNION MEETING HALL
    PO BOX 115
    FERRISBURGH,VT05456     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 15,000
    HAWTHORN LEADERSHIP SCHOOL FOUNDATION
    1901 N KINGSHIGHWAY BLVD
    ST LOUIS,MO63113     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 5,000
    HEBREW UNION COLLEGE
    BROOKDALE CENTER ONE WEST FOURTH ST
    NEW YORK,NY10012     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 36,000
    JEWISH COMMUNITY CENTER
    12 MILLSTONE CAMPUS DRIVE
    ST LOUIS,MO63146     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 51,000
    JEWISH FEDERATION OF ST LOUIS
    12 MILLSTONE CAMPUS DRIVE
    ST LOUIS,MO63146     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 61,800
    LAKE CHAMPLAIN LAND TRUST
    1 MAIN ST
    BURLINGTON,VT05401     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,000
    NATIONAL COUNCIL OF JEWISH WOMEN
    295 N LINDBERGH BLVD
    ST LOUIS,MO63141     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 27,700
    NATIONAL WILDLIFE FEDERATION
    1 STATIONERY PLACE
    REXBURG,ID83441     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 5,000
    NINE NETWORK
    3655 OLIVE ST
    ST LOUIS,MO63108     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,000
    PLANNED PARENTHOOD OF SLR
    4251 FOREST PARK AVE
    ST LOUIS,MO63108     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 50,000
    REGIONAL BUSINESS COUNCIL
    7701 FORSYTH BLVD 205
    ST LOUIS,MO63105     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 14,500
    SAUL MIROWITZ JEWISH COMMUNITY SCHOOL
    348 S MASON RD
    ST LOUIS,MO63141     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 28,000
    SITEMAN CANCER CENTER
    4921 PARKVIEW PLACE
    ST LOUIS,MO63110     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,000
    SLAM1TD INC
    188 ALLEN BROOK LANE
    WILLISTON,VT05495     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 3,500
    ST LOUIS JEWISH LIGHT
    PO BOX 78369
    ST LOUIS,MO63178     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,000
    THE WOMEN'S BAKERY
    1031 33RD STREET 174
    DENVER,CO80205     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 5,000
    UNITED HEBREW CONGREGATION
    13788 CONWAY ROAD
    ST LOUIS,MO63141     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 4,140
    UNITED WAY OF GREATER ST LOUIS
    910 NORTH 11TH ST
    ST LOUIS,MO63101     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 10,000
    UNIVERSITY OF VERMONT FOUNDATION
    411 MAIN STREET
    BURLINGTON,VT05401     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 118,000
    VERMONT CHILDREN'S TRUST FOUNDATION
    95 ST PAUL ST
    BURLINGTON,VT05401     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 3,500
    VERMONT PARKS FOREVER
    PO BOX 815
    MONTPELIER,VT05601     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 25,000
    WASHINGTON UNIVERSITY IN ST LOUIS
    ONE BROOKINGS DRIVE
    ST LOUIS,MO63130     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 50,180
    WHITFIELD SCHOOL
    175 S MASON RD
    ST LOUIS,MO63141     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 20,000
    NCCJ STL
    1405 PINE STREET SUITE 202
    ST LOUISE,MO63103     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 2,500
    AMERICAN CANCER SOCIETY
    PO BOX 6704
    HAGERSTOWN,MD21741     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,000
    REPRODUCTIVE HEALTH SERVICES
    4251 FOREST PARK AVE
    ST LOUIS,MO63108     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 5,000
    SAINT FRANCIS XAVIER CATHOLIC CHURCH
    3628 LINDELL BLVD
    ST LOUIS,MO63108     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 500
    ST JOHN VIANNEY
    1311 SOUTH KIRKWOOD ROAD
    ST LOUIS,MO63122     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 1,000
    ST LOUIS KAPLAN FELDMAN HOLOCAUST MUSEUM
    36 MILLSTONE CAMPUS DR
    ST LOUIS,MO63146     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 40,000
    THE FOUNDATION FOR BARNES-JEWISH HOSPITAL
    WEST1001 HIGHLANDS PLAZA DR 140
    ST LOUIS,MO63110     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 10,180
    JEWISH COMMUNITY RELATION COUNCIL
    12 MILLSTONE CAMPUS DRIVE
    ST LOUIS,MO63146     		NONE 501(C)(3) PUBLIC CHA TO FURTHER RECIPIENT'S CHARITABLE PURPOSE 3,600
    Total .................................bullet 3a 683,080
    bApproved for future payment
    Total .................................bullet 3b 0
    Form 990-PF (2021)
    Form 990-PF (2021)
    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 ...........     		    01 39,064  
    4 Dividends and interest from securities ....          
    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 1,292,695  
    9 Net income or (loss) from special events:          
    10 Gross profit or (loss) from sales of inventory          
    11 Other revenue: a
    b
    c
    d
    e
    12 Subtotal. Add columns (b), (d), and (e) .. 0 1,408,456 0
    13Total. Add line 12, columns (b), (d), and (e)..................
    13
    1,408,456
    (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 (2021)
    Form 990-PF (2021)
    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.
    Bullet Bullet
    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 PTIN
    Firm's name SmallBullet
    		 Firm's EIN SmallBullet
    Firm's address SmallBullet


    		 Phone no.
    Form 990-PF (2021)
    Additional Data


    Software ID:  
    Software Version:  


    Form 990PF - Special Condition Description:
    Special Condition Description

    TY 2021 AccountingFeesSchedule
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
    ACCOUNTING SERVICES 33,707 16,854   16,853

    TY 2021 InvestmentsCorpStockSchedule
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Name of Stock End of Year Book Value End of Year Fair Market Value
    ABBVIE INC COM 55,466 91,367
    AIR PROD & CHEM INC 13,837 18,462
    ALPHABET INC CL A 12,560 88,734
    AMETEK INC 30,878 48,588
    APPLE INC 31,314 135,444
    APPLIED MATERIALS INC 24,181 57,472
    BLACKROCK INC 13,807 20,072
    BRISTOL MYERS SQUIBB CO 26,933 33,198
    CENTENE CORPORATION 37,921 53,750
    CHEVRON CORPORATION 22,977 40,172
    COMCAST CORP CLASS A 27,271 31,882
    CROWN CASTLE INTL CORP 53,424 85,343
    D R HORTON INC 22,502 44,339
    DANAHER CORPORATION 14,989 104,209
    DODGE & COX INTERNATIONAL STOCK 120,000 139,875
    EASTMAN CHEMICAL 18,363 23,684
    EATON CORP 17,372 42,966
    EMERSON ELECTRIC COMPANY 18,267 31,918
    FIDELITY NATIONAL FINANCIAL 30,105 30,456
    GENERAL MILLS INC. 16,126 23,051
    GILEAD SCIENCE 18,615 15,888
    ISHARES CORE MSCI EAFE ETF 219,258 230,980
    ISHARES CORE MSCI EMERGING 91,282 101,723
    ISHARES INTL SELECT DIV ETF 61,125 61,740
    ISHARES MSCI GROWTH INDEX 74,986 104,454
    ISHARES RUSSELL 2000 VALUE INDEX 42,950 88,435
    JP MORGAN CHASE & CO 35,570 92,561
    LIFE STORAGE INC 16,528 29,774
    MARVELL TECH GROUP 13,484 49,390
    MASTERCARD INC. 7,072 93,046
    MICROSOFT CORPORATION 109,929 138,926
    MORGAN STANLEY 22,129 34,025
    ORACLE CORPORATION 15,826 20,857
    PEPSICO INC. 16,789 32,711
    POST HOLDINGS INC. 24,132 36,592
    PRINCIPAL FINANCIAL GROUP INC. 13,221 36,830
    PROCTER & GAMBLE COMPANY 11,159 21,443
    REGIONS FINANCIAL 16,328 25,514
    STARBUCKS CORP WASHINGTON 11,727 14,130
    TARGET CORP 63,752 131,932
    TRIMBLE INC 26,236 43,552
    TRUIST FINL CORP 54,942 74,113
    TWEEDY, BROWNE GLOBAL VALUE 133,450 154,000
    UNITED RENTALS 31,730 65,600
    VERIZON COMMUNICATIONS INC. 23,331 22,055
    V F CORP 22,539 17,156
    AUTOMATIC DATA PROCESSING 29,583 37,900
    BERKSHIRE HATHAWAY CL-B NEW 33,467 45,817
    ISHARES CORE S&P SMALL CAP E 50,171 75,150
    ISHARES S&P MID-CAP 400V ETF 50,335 79,522
    ISHARES S&P MIDCAP 400 INDEX 50,022 71,335
    ISHARES SMALL CAP 600 G ETF 50,348 68,764
    LPL FINL HLDGS INC COM 46,003 107,905
    MEDTRONIC PLC SHS 20,715 21,532
    MONSTER BEVERAGE CORP NEW COMM 30,860 32,974
    NORTHROP GRUMMAN CP (HLDG CO) 71,937 91,254
    SYSCO CORP 13,738 18,099
    AMAZON COM INC 98,112 72,126
    AMERIPRISE FINCL INC (AMP) 66,350 70,449
    BELLRING BRANDS INC 14,651 22,044
    CDW CORPORATION (CDW) 44,233 47,561
    COPART INC (CPRT) 29,309 24,051
    NORTON LIFELOCK INC (NLOK) 74,023 62,310
    PIONEER NATURAL RESOURCES CO (PXD) 59,414 62,536
    UNITEDHEALTH GP INC (UNH) 103,029 111,775
    BOOZ ALLEN HAMILTON HLDG CL-A (BAH) 33,139 34,773

    TY 2021 InvestmentsOtherSchedule2
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Category/ Item Listed at Cost or FMV Book Value End of Year Fair Market Value
    INVESTMENT: LC CO-INVEST HOLDINGS, LP AT COST 270,495 1,300,045
    INVESTMENT: LOCKERDOME AT COST 100,000 100,000
    INVESTMENT: MEDIBEACON AT COST 229,644 1,469,233
    INVESTMENT: BRIGHTSTAR PARTNERS AT COST 10,367 30,908
    INVESTMENT: NF COINVESTOR LLC AT COST 445,000 341,865
    INVESTMENT: MCA TALOS CO-INVEST AT COST 64,550 152,199

    TY 2021 OtherAssetsSchedule
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Description Beginning of Year - Book Value End of Year - Book Value End of Year - Fair Market Value
    FEDERAL EXCISE TAX RECEIVABLE 5,374 0 0


    TY 2021 OtherExpensesSchedule
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Description Revenue and Expenses per Books Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
    INVESTMENT MANAGEMENT FEES 20,405 20,405   0
    OFFICE EXPENSES 2,701 1,353   1,352


    TY 2021 OtherIncomeSchedule2
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Description Revenue And Expenses Per Books Net Investment Income Adjusted Net Income
    ARROWROCK 0 4,260 0
    BRIGHTSTAR C P FUND I 0 -379 0
    BRIGHTSTAR C P FUND I AIV 0 -8 0
    BRIGHTSTAR C P FUND I AIV 2 0 -1,087 0
    BRIGHTSTAR C P FUND AIV 3 0 0 0
    BRIGHTSTAR C P FUND AIV 4 0 0 0
    BRIGHTSTAR C P FUND AIV 5 0 33,934 0


    TY 2021 OtherLiabilitiesSchedule
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Description Beginning of Year - Book Value End of Year - Book Value
    FEDERAL EXCISE TAX PAYABLE 0 10,446
    UBTI TAX PAYABLE 0 3,038


    TY 2021 TaxesSchedule
    Name:
    MILLSTONE FOUNDATION
    EIN:
    43-6027373
    Category Amount Net Investment Income Adjusted Net Income Disbursements for Charitable Purposes
    PAYROLL TAXES 6,545 3,273   3,273
    EXCISE TAXES 18,820 0   0
    UBTI TAX 3,038 0   0