The Warren Foundation Inc

Private foundation · Grantmaker Greenwich, CT EIN: 06-1467469

The Warren Foundation Inc is a private foundation, based in Greenwich, CT. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $203K in total assets. In 2025, it awarded 8 grants totaling $60K.

Key facts about The Warren Foundation Inc

In short: The Warren Foundation Inc gave $60K across 8 grants in 2025 (avg $7K), mostly in New York. Source: 2025 IRS Form 990-PF.

EIN
06-1467469
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$59,850
Grants made (2025)
8
Average grant
$7,481
Median grant
$625
Total assets
$203,223
Primary geography
New York (97% of itemized 2025 grant dollars)

Data from IRS Form 990-PF, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

$203K

+0.0% YoY

Annual Giving

$60K

-25.7% YoY

Grant Count

8

+0.0% YoY

Avg Grant Size

$7K

-25.7% YoY

Under IRS private-foundation payout rules, The Warren Foundation Inc reported a distributable amount of $13K for 2025 — the minimum it must pay out in qualifying distributions.

How The Warren Foundation Inc gives

  • Giving fell 25% from 2022 to 2025. Method
  • In 2025 it paid out 476% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Your AI grants department

Ready to take the next step with The Warren Foundation Inc?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Geographic Focus

Where this funder awards grants

Grant Distribution by State

9states

Share of 2025 grant dollars across all 8 itemized grants.

Cities

New YorkGreenwichSyracusePrincetonDallasIthacaChicagoFullertonIthicaMadisonMiamiNewtownPalm BeachRiversideSan DiegoSchaumbergSchaumburgShort HillsStamfordWest Palm Beach

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K11 grants2019 8 grants2020 6 grants2021 10 grants2022 14 grants2023 8 grants2024 8 grants2025

From 2019 to 2025, annual grant giving ranged from $60K (2025) to $189K (2021). In 2025 it made 8 grants totaling $60K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 8 recipients in 2025

Columbia University: $50KColumbia University$50KHospital for Special Surgery: $7KHospital for Special Surgery$7K1915 Society: $1K1915 Society$1KUpstate Medical Center: $750Upstate Medical Center$750Ases Foundation: $500Ases Foundation$500Diabetes Research Institute Foundation: $500Diabetes Research InstituteFoundation$500Old Blue Rugby Foundation: $500Old Blue Rugby Foundation$500The Triumph Fund: $100The Triumph Fund$100

The largest 2025 recipient was Columbia University ($50K). Together the top 8 received $60K.

Grant Size Distribution

46 grants across all recorded years

42<$50K3$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 42 grants of 46 (91%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Columbia University New York, NYDonation of $50,000.$50,000
Hospital for Special Surgery New York, NYDonations of $5,000 & $1,500.$6,500
1915 Society New York, NYDonation of $1,000.$1,000
Upstate Medical Center Syracuse, NYDonations of $250 & $500.$750
Ases Foundation Schaumberg, ILDonation of $500.$500
Diabetes Research Institute Foundation Miami, FLDonation of $500.$500
Old Blue Rugby Foundation Greenwich, CTDonation of $500.$500
The Triumph Fund Greenwich, CTDonation of $100.$100

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$100K$200K$300K2019 2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets$203,223$203,140$139,195
Revenue$74,746$154,159$58,301
Expenses$74,663$90,214$108,167
Qualifying Distributions$59,867$80,500$99,000
Net Investment Income—$137,042$51,659
Distributable Amount$12,571$8,528$12,354

Data update history

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 5, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS May 5, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS May 12, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 5, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 10, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 1, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 1, 2024)

Leadership & Key People

Officers and directors from IRS filings

The Warren Foundation Inc is led by Russell F. Warren MD, President & Director on every filing since 2019; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Russell F. Warren MD

    President & Director

    On filings since 2019

    No compensation reported

  • Lisa Warren Kruger

    Director

    On filings since 2019

    No compensation reported

  • Russell F. Warren Jr.

    Vice President & Director

    On filings since 2019

    No compensation reported

  • Christopher R. Milligan

    Secretary

    On filings since 2019

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The Warren Foundation Inc

How much does The Warren Foundation Inc give each year?

The Warren Foundation Inc gave $60K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $81K across 8 grants.

What is The Warren Foundation Inc's typical grant size?

The Warren Foundation Inc's median grant in 2025 was $625, and its average grant was $7,481, across 8 grants on its 2025 IRS Form 990-PF.

Where does The Warren Foundation Inc give grants?

The Warren Foundation Inc gives mostly in New York: 97% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were New York, NY (3 grants) and Greenwich, CT (2 grants).

Does The Warren Foundation Inc give general operating support?

Not in 2025: none of the 8 grants with a stated purpose on The Warren Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Donation of $500." (3 grants).

Who are The Warren Foundation Inc's largest grantees?

The Warren Foundation Inc's largest 2025 grantees include Columbia University ($50,000), Hospital for Special Surgery ($6,500) and 1915 Society ($1,000), according to its 2025 IRS Form 990-PF. Together they received 96% of its itemized 2025 grant dollars.

How large is The Warren Foundation Inc?

The Warren Foundation Inc reported $203K in total assets on its 2025 IRS Form 990-PF. It paid out $60K in qualifying distributions that year, against a required minimum of $13K (roughly 5% of its investment assets).

What is The Warren Foundation Inc's EIN?

The Warren Foundation Inc's EIN (Employer Identification Number) is 06-1467469. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Your AI grants department

Here's the math on researching The Warren Foundation Inc by hand.

Explore Open Grants

Browse active grant opportunities in The Warren Foundation Inc's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

Americares Foundation Inc

Stamford, CT

Americares funds health care organizations and programs focused on disaster preparedness and recovery, access to medicines and medical supplies, and community health services. In 2025, its grants ranged from $5,073 to $3.86 million, with a median of about $58,700; it works in the United States and internationally, reaching an average of 80 countries each year. The profile does not state whether it accepts unsolicited requests.

International, Foreign Affairs & National Security

Assets

$372.5M

Grants

635

Total Given

$113.3M

American Savings Foundation Inc

New Britain, CT

American Savings Foundation supports education, human services, and arts and culture, especially programs serving children, youth, and families in Connecticut, with a focus on New Britain and Waterbury. Its 2024 grants ranged from $234 to $150,000, with a median of $1,750; Community Grants are capped at $5,000. It provides application forms for Program and Community Grants, but the profile does not state whether it accepts unsolicited requests.

Assets

$107.0M

Grants

613

Total Given

$3.4M

Hartford Foundation for Public Giving

Hartford, CT

The Greater Hartford Gives Foundation funds nonprofits addressing community needs, with priorities including racial equity, economic and social mobility, wellbeing, neighborhoods, civic engagement, and arts and culture. Its 2024 itemized grants had a median of about $21,600, and it primarily serves 29 Greater Hartford towns. It accepts applications through specific requests for proposals and grant cycles; eligibility varies by opportunity.

Assets

$1.2B

Grants

613

Total Given

$52.0M

Eversource Energy Foundation Inc

Hartford, CT

The Eversource Energy Foundation funds U.S. 501(c)(3) nonprofits working on basic needs, education, environmental stewardship, community engagement, and economic or workforce development. It gives in Eversource’s service territory in Connecticut, Massachusetts, and New Hampshire; its 2024 median grant was $2,000, though awards ranged from $250 to $700,000.

Assets

$12.5M

Grants

606

Total Given

$6.2M

The Community Foundation for Greater New Haven

New Haven, CT

The Community Foundation for Greater New Haven funds nonprofits working in areas including civic vitality, arts and culture, health, and education, with competitive grants for organizations serving its 20-town region. Its 2024 grants ranged from $5,154 to $2.8 million, with a median of $15,000; it accepts applications through specific grant programs, while most donor-advised and designated fund distributions are not open to applications.

Philanthropy, Voluntarism & Grantmaking

Assets

$627.4M

Grants

505

Total Given

$23.4M

Fairfield County's Community Foundation

Norwalk, CT

Fairfield County’s Community Foundation funds equity-focused work including education and youth development, economic opportunity, women and girls’ health, housing, civic engagement, and nonprofit capacity, primarily benefiting Fairfield County residents. Its 2025 grants had a median of $24,080 and ranged from $5,194 to $2 million; it accepts applications for some programs, including rolling capacity-building and small-grant opportunities, while Strategic Partner Grants are invitation-only.

Philanthropy, Voluntarism & Grantmaking

Assets

$291.4M

Grants

448

Total Given

$25.7M

Viking Global Foundation Inc

Stamford, CT

Philanthropy, Voluntarism & Grantmaking

Assets

$7.1M

Grants

423

Total Given

$3.6M

Ion Bank Foundation Inc

Naugatuck, CT

Philanthropy, Voluntarism & Grantmaking

Assets

$15.3M

Grants

419

Total Given

$1.0M

Synchrony Foundation

Stamford, CT

In 2024, Synchrony Foundation supported charitable organizations across workforce development, education, financial assistance, and giving, with grants ranging from $150 to $2.6 million and a median of $10,000. Its largest shares of grant funding went to Connecticut, New York, and South Carolina, followed by the District of Columbia and New Jersey; it does not accept unsolicited requests and funds preselected organizations only.

Philanthropy, Voluntarism & Grantmaking

Assets

$72.3M

Grants

394

Total Given

$20.5M

Yale University

New Haven, CT

Yale supports education, research, scholarship, preservation, public service, and community organizations, including through sponsored research and fellowships. Its 2025 grants ranged from $3,000 to $14.3 million, with a median of about $136,000; recipients were based mainly in Connecticut, California, Massachusetts, New York, and Pennsylvania. The profile does not state whether Yale accepts unsolicited requests.

Education

Assets

$58.9B

Grants

364

Total Given

$168.2M

Knights of Columbus Charitable Fund Inc

New Haven, CT

The fund supports Catholic organizations and other charities whose missions align with Catholic teachings, primarily through donor-advised grants; 2024 awards had a median of $16,250, though amounts varied widely. Its grants went to organizations across the United States, with the largest shares in Washington, DC, Ohio, Connecticut, Virginia, and California. It does not accept unsolicited grant applications.

Philanthropy, Voluntarism & Grantmaking

Assets

$127.1M

Grants

358

Total Given

$77.1M

More Funders in Connecticut

The Warren Foundation Inc down — hundreds of funders to go?

Want AI to do this for you?