Data / Foundation grants / The Regenstein Foundation
The Regenstein Foundation: 29 grants to organizations, $6.8 million (tax year ended December 2025)
The Regenstein Foundation, a private foundation in Chicago, IL, paid 29 grants to organizations totaling $6,750,000 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on August 17, 2026. The largest was $1,750,000 to Shedd Aquarium in Chicago, IL for operational support.
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- EIN
- 363152531
- Based in
- Chicago, IL
- Assets
- $77,465,011
- Grants paid
- $6,750,000
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed August 17, 2026, IRS object ID 202642299349100334. It reported $6,750,000 in grants paid; 29 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Shedd Aquarium | Chicago, IL | Operational support | $1,750,000 | apps.irs.gov | |
| Ann & Robert H Lurie Children's Hospital | Chicago, IL | Operational support | $1,060,000 | apps.irs.gov | |
| Shirley Ryan Ability Lab | Chicago, IL | Operational support | $1,055,000 | apps.irs.gov | |
| Rush University Medical Center | Chicago, IL | Operational support | Health care | $1,020,000 | apps.irs.gov |
| Chicago Botanic Garden | Glencoe, IL | Operational support | $550,000 | apps.irs.gov | |
| Lincoln Park Zoo | Chicago, IL | Operational support | $240,000 | apps.irs.gov | |
| Gulfshore Playhouse | Naples, FL | Operational support | Arts, culture and humanities | $225,000 | apps.irs.gov |
| Northwestern Memorial Foundation | Chicago, IL | Operational support | $150,000 | apps.irs.gov | |
| Field Museum | Chicago, IL | Operational support | $100,000 | apps.irs.gov | |
| Naples Community Hospital | Naples, FL | Operational support | Health care | $100,000 | apps.irs.gov |
| Chicago Zoological Society | Brookfield, IL | Operational support | Animal-related | $90,000 | apps.irs.gov |
| Naples Zoo | Naples, FL | Operational support | Animal-related | $90,000 | apps.irs.gov |
| Lumen Christi Institute | Chicago, IL | Operational support | $55,000 | apps.irs.gov | |
| American Red Cross | Washington, DC | Operational support | $50,000 | apps.irs.gov | |
| Chicago Symphony Orchestra | Chicago, IL | Operational support | Arts, culture and humanities | $50,000 | apps.irs.gov |
| Art Institue of Chicago | Chicago, IL | Operational support | $25,000 | apps.irs.gov | |
| Artis - Naples | Naples, FL | Operational support | Arts, culture and humanities | $25,000 | apps.irs.gov |
| Greater Chicago Food Depository | Chicago, IL | Operational support | Food, agriculture and nutrition | $25,000 | apps.irs.gov |
| Parliament of World's Religions | Chicago, IL | Operational support | $15,000 | apps.irs.gov | |
| University of Illinois | Chicago, IL | Operational support | $15,000 | apps.irs.gov | |
| Conservancy of Southwest Florida | Naples, FL | Operational support | $10,000 | apps.irs.gov | |
| The Service Club of Chicago | Chicago, IL | Operational support | Community improvement and capacity building | $10,000 | apps.irs.gov |
| The Wasteshed | Chicago, IL | Operational support | $10,000 | apps.irs.gov | |
| Children of Abraham Coalition | Northbrook, IL | Operational support | $5,000 | apps.irs.gov | |
| Holocaust Museum of Southwest | Naples, FL | Operational support | $5,000 | apps.irs.gov | |
| Katz Rheumatology Research Educaion Fund | Atlanta, GA | Operational support | $5,000 | apps.irs.gov | |
| Millennium Park Foundation | Chicago, IL | Operational support | Recreation and sports | $5,000 | apps.irs.gov |
| Naples Botanical Garden | Naples, FL | Operational support | Environment | $5,000 | apps.irs.gov |
| Serbs for Serbs | Chicago, IL | Operational support | $5,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed November 14, 2025, IRS object ID 202523189349102957. It reported $4,545,000 in grants paid; 34 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Ann & Robert H Lurie Children's Hospital of Chicago | Chicago, IL | Operational support | $1,000,000 | apps.irs.gov | |
| Rush University Medical Center | Chicago, IL | Operational support | Health care | $1,000,000 | apps.irs.gov |
| Chicago Botanic Garden | Glenco, IL | Operational support | $800,000 | apps.irs.gov | |
| Northwestern Memorial Foundation | Chicago, IL | Operational support | $500,000 | apps.irs.gov | |
| Gulfshore Playhouse | Naples, FL | Operational support | Arts, culture and humanities | $150,000 | apps.irs.gov |
| Northwestern Memorial Foundation | Chicago, IL | Operational support | $150,000 | apps.irs.gov | |
| Lincoln Park Zoo | Chicago, IL | Operational support | $112,000 | apps.irs.gov | |
| Field Museum | Chicago, IL | Operational support | $100,000 | apps.irs.gov | |
| Ann & Robert H Lurie Children's Hospital of Chicago | Chicago, IL | Operational support | $70,000 | apps.irs.gov | |
| Chicago Botanic Garden | Glenco, IL | Operational support | $60,000 | apps.irs.gov | |
| University of Illinois | Chicago, IL | Operational support | $55,000 | apps.irs.gov | |
| Greater Chicago Food Depository | Chicago, IL | Operational support | Food, agriculture and nutrition | $50,000 | apps.irs.gov |
| Jewish United Federation of Metropolitan Chicago | Chicago, IL | Operational support | $50,000 | apps.irs.gov | |
| NCH Healthcare | Naples, FL | Operational support | $50,000 | apps.irs.gov | |
| Naples Zoo | Naples, FL | Operational support | Animal-related | $50,000 | apps.irs.gov |
| Chicago Zoological Society | Brookfield, IL | Operational support | Animal-related | $48,000 | apps.irs.gov |
| Shirley Ryan Ability Lab | Chicago, IL | Operational support | $45,000 | apps.irs.gov | |
| Rush University Medical Center | Chicago, IL | Operational support | Health care | $35,000 | apps.irs.gov |
| Smithsonian National Zoological Park | Washington, DC | Operational support | $30,000 | apps.irs.gov | |
| Art Institute of Chicago | Chicago, IL | Operational support | Education | $25,000 | apps.irs.gov |
| Philharmonic Center for the Arts | Naples, FL | Operational support | $25,000 | apps.irs.gov | |
| American Red Cross | Washington, DC | Operational support | $20,000 | apps.irs.gov | |
| Friends of Catherine and Channel Lakes | Antioch, IL | Operational support | $20,000 | apps.irs.gov | |
| Wounded Warrior Project | Topeka, KS | Operational support | $15,000 | apps.irs.gov | |
| Conservancy of Southwest Florida | Naples, FL | Operational support | $10,000 | apps.irs.gov | |
| For Autistic Kids Foundation | Glenview, IL | Operational support | Philanthropy, voluntarism and grantmaking foundations | $10,000 | apps.irs.gov |
| Millennium Park Foundation | Chicago, IL | Operational support | Recreation and sports | $10,000 | apps.irs.gov |
| Parliament of World's Religions | Chicago, IL | Operational support | $10,000 | apps.irs.gov | |
| Rebuilding Exchange | Chicago, IL | Operational support | $10,000 | apps.irs.gov | |
| Shedd Aquarium | Chicago, IL | Operational support | $10,000 | apps.irs.gov | |
| The Service Club of Chicago | Chicago, IL | Operational support | Community improvement and capacity building | $10,000 | apps.irs.gov |
| Holocaust Museum of Southwest Florida | Naples, FL | Operational support | $5,000 | apps.irs.gov | |
| Naples Botanical Garden | Naples, FL | Operational support | Environment | $5,000 | apps.irs.gov |
| Vander Cook College of Music | Chicago, IL | Operational support | $5,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Health care | $2,155,000 |
| Arts, culture and humanities | $450,000 |
| Animal-related | $278,000 |
| Food, agriculture and nutrition | $75,000 |
| Education | $25,000 |
| Community improvement and capacity building | $20,000 |
| Recreation and sports | $15,000 |
| Environment | $10,000 |
States funded
| Recipient state | Granted |
|---|---|
| Illinois | $10,420,000 |
| Florida | $755,000 |
| District of Columbia | $100,000 |
| Kansas | $15,000 |
| Georgia | $5,000 |
Also on SpecStream
- Who funds health care in Illinois
- Who funds arts, culture and humanities in Florida
- Who funds animal-related in Florida
- Who funds animal-related in Illinois
- Who funds health care in Florida
- Who funds food, agriculture and nutrition in Illinois
Updated August 17, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.