The Regenstein Foundation
Invitation OnlyChicago, Illinois · EIN 36-3152531 · Private foundation
Grants paid (2025)$6.8M
Organizations funded29
Typical grant$50,000
Total assets$77.5M
Half of its grants to organizations were between $10,000 and $150,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
31% of grants went outside Illinois.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Shedd Aquarium | Chicago, IL | Operational support | $1,750,000 |
| Ann & Robert H Lurie Children's Hospital | Chicago, IL | Operational support | $1,060,000 |
| Shirley Ryan Ability Lab | Chicago, IL | Operational support | $1,055,000 |
| Rush University Medical Center | Chicago, IL | Operational support | $1,020,000 |
| Chicago Botanic Garden | Glencoe, IL | Operational support | $550,000 |
| Lincoln Park Zoo | Chicago, IL | Operational support | $240,000 |
| Gulfshore Playhouse | Naples, FL | Operational support | $225,000 |
| Northwestern Memorial Foundation | Chicago, IL | Operational support | $150,000 |
| Field Museum | Chicago, IL | Operational support | $100,000 |
| Naples Community Hospital | Naples, FL | Operational support | $100,000 |
| Chicago Zoological Society | Brookfield, IL | Operational support | $90,000 |
| Naples Zoo | Naples, FL | Operational support | $90,000 |
| Lumen Christi Institute | Chicago, IL | Operational support | $55,000 |
| American Red Cross | Washington, DC | Operational support | $50,000 |
| Chicago Symphony Orchestra | Chicago, IL | Operational support | $50,000 |
| Art Institue of Chicago | Chicago, IL | Operational support | $25,000 |
| Greater Chicago Food Depository | Chicago, IL | Operational support | $25,000 |
| Artis - Naples | Naples, FL | Operational support | $25,000 |
| Parliament of World's Religions | Chicago, IL | Operational support | $15,000 |
| University of Illinois | Chicago, IL | Operational support | $15,000 |
| Conservancy of Southwest Florida | Naples, FL | Operational support | $10,000 |
| The Service Club of Chicago | Chicago, IL | Operational support | $10,000 |
| The Wasteshed | Chicago, IL | Operational support | $10,000 |
| Children of Abraham Coalition | Northbrook, IL | Operational support | $5,000 |
| Holocaust Museum of Southwest | Naples, FL | Operational support | $5,000 |
| Katz Rheumatology Research Educaion Fund | Atlanta, GA | Operational support | $5,000 |
| Millennium Park Foundation | Chicago, IL | Operational support | $5,000 |
| Naples Botanical Garden | Naples, FL | Operational support | $5,000 |
| Serbs for Serbs | Chicago, IL | Operational support | $5,000 |
Grants approved for future payment
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Lincoln Park Zoo | Chicago, IL | Operational support | $10,000,000 |
| Smithsonian National Zoological | Washington, DC | Operational support | $70,000 |
| For Autistic Kids Foundation | Glenview, IL | Operational support | $10,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $6,750,000 | 32 |
| 2024 | $4,545,000 | 36 |
| 2023 | $7,055,000 | 33 |
Sources
- IRS Form 990-PF, tax year 2025, filed Aug 17, 2026 - IRS e-file batch, object ID 202642299349100334
- IRS Tax Exempt Organization Search for EIN 36-3152531
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.