The Regenstein Foundation

CHICAGO, IL EIN: 36-3152531

The Regenstein Foundation is a private foundation based in Chicago, Illinois, incorporated in Delaware in 1981 following a merger with the Joseph & Helen Regenstein Foundation (originally incorporated in Illinois in 1950). Founded by the late Joseph Regenstein, an industrialist, the foundation carries forward a legacy of significant philanthropic support to Chicago-area institutions and beyond.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$74.8M

+2.1% YoY

Annual Giving

$4.5M

-35.6% YoY

Grant Count

34

+6.3% YoY

Avg Grant Size

$134K

-39.4% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's grantmaking focuses on education, philanthropy and voluntarism, human services, and environmental initiatives. The foundation has historically supported cultural, medical, educational, and environmental institutions, with particular emphasis on organizations that benefit the Chicago region.

Grantmaking

Grant Range

s and Activity:**

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Geographic Focus

Where this funder awards grants

The foundation primarily funds organizations in Illinois, Florida, and the District of Columbia, with particular emphasis on Chicago-area institutions.

Grant Distribution by State

6states

Cities

AntiochArlingtonBrookfieldChicagoEvanstonGlencoGlencoeGlenviewMetairieNaplesPalmetto BayTopekaWashingtonWauchula

Financial History

Multi-year comparison from IRS filings

As of December 2023:

  • Total assets: $73,262,797
  • Total revenues: $2,492,112
  • Total expenses: $1,936,296
  • Investment income and dividends: $1,402,818
  • Net gain from sale of non-inventory assets: $1,065,721

As of December 2021:

  • Total assets: $74,826,234
  • Total giving: $4,545,000

Staffing:

  • Number of employees: 0
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$3M$6M$9M$13M20202021202220232024
Metric202420232022
Total Assets$74,826,234$73,262,797$70,313,196
Revenue$4,987,762$2,492,112$7,583,819
Expenses$6,967,626$1,936,296$4,423,566
Qualifying Distributions$4,659,760$7,155,688$3,380,605
Net Investment Income$4,576,574$2,071,155$6,906,424
Distributable Amount$3,697,138$3,496,751$3,618,620

Giving Over Time

Total grant dollars and number of grants per year

$0$3M$6M$9M$11M33 grants202026 grants202128 grants202232 grants202334 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

ANN & ROBERT H LURIE CHI…$1.0MRUSH UNIVERSITY MEDICAL …$1.0MCHICAGO BOTANIC GARDEN$800KNORTHWESTERN MEMORIAL FO…$500KGULFSHORE PLAYHOUSE$150KNORTHWESTERN MEMORIAL FO…$150KLINCOLN PARK ZOO$112KFIELD MUSEUM$100KANN & ROBERT H LURIE CHI…$70KCHICAGO BOTANIC GARDEN$60K

Grant Size Distribution

153 grants across all recorded years

98<$50K20$50–100K9$100–250K1$250–500K8$500K–1M17$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Leadership team and compensation from IRS filings

Trustees:

  • Susan Regenstein
  • Joseph Regenstein III
  • Marshall Field V

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
SUSAN REGENSTEINCHAIRMAN & P10
JOSEPH REGENSTEIN IIISECRETARY/TR5
MARSHALL FIELD VDIRECTOR5
F OLIVER NICKLIN JRDIRECTOR5

Recent News & Activity

Recent developments and announcements

2023

The foundation has maintained consistent grantmaking activity, with 33 grants distributed in 2023. Recent recipients include major Chicago medical and cultural institutions such as Lurie Children's Hospital, Rush University Medical Center, and the Shedd Aquarium, reflecting the foundation's ongoing commitment to operational support for established organizations.

The foundation's historical impact includes funding for the Regenstein Library at the University of Chicago, the Hall of Music at Northwestern University, the Large Mammal Habitat and Birds of Prey Exhibit at the Lincoln Park Zoo, the Sea Otter Habitat at the Shedd Aquarium, and the Vegetable Garden at the Chicago Botanic Garden.

Rehabilitation Institute of Chicago Announces $10 Million Gift from the Regenstein

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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