Unlock Full Data

Aristo Zeilstra Foundation

Wilmington, DE EIN 84-2947815 Philanthropy & GrantmakingT22 501C3 PRIVATE FOUNDATION
$8K
Revenue
6
Filings
$186K
Total Grants
50
Grant Records
Latest Financial Summary
Fiscal Year Revenue Expenses Net Assets Contributions
FY 2025 $8K $55K $243K $0
Full Financial History
See all 6 years of revenue, expenses, net assets, and more.
Unlock the full profile
Key Officers
J
Justin Zeilstra
Treas, Dir
M
Mirja Zeilstra
Dir, VP
N
Natasha Zeilstra
Dir
Executive Compensation
View salary, bonus, and total compensation for all officers across all years.
Unlock the full profile
Top Grant Recipients (Teaser)
THE MEDICAL UNIVERSITY OF SOUTH CAROLINA FOUNDATIO $35K
THE MEDICAL UNIVERSITY OF SOUTH CAROLINA FOUNDATIO $35K
THE MEDICAL UNIVERSITY OF SOUTH CAROLINA FOUNDATIO $35K
50 total grants · $186K total giving
Complete Grants Database
Search and filter all 50 grants with recipient EINs, purposes, and year-by-year breakdowns.
Unlock the full profile
Filing History
990PF
FY 2025
Period ended 2025-12-31
IRS990PF
FY 2024
990PF
FY 2023
990PF
FY 2022
990PF
FY 2021
Period ended 2021-12-31
990PF
FY 2020
Period ended 2020-12-31
Similar Organizations Philanthropy & Grantmaking · DE
JOHN P AND ANN MARIE MARTIN CHARITABLE TR NEWARK
KLUNGNESS FAMILY FOUNDATION INC WILMINGTON
CARL T OSTERLOF INC A NON-PROFIT CORPORATION NEWARK
OBRZUT-LING FOUNDATION INC WILMINGTON
WARE FOUNDATION WILMINGTON
SCHAIN FAMILY FOUNDATION INC WILMINGTON
Browse all nonprofits in DE →  ·  Browse Philanthropy & Grantmaking →