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.

The Warren Foundation Inc at a glance

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.

Annual giving (2025)
$59,850
-25.7% vs 2024
Grants made (2025)
8
+0.0% vs 2024
Average grant
$7,481
-25.7% vs 2024
Median grant
$625
Total assets
$203,223
+0.0% vs 2024
Primary geography
New York (97% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who The Warren Foundation Inc funds

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%).

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

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.

Giving History

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.

Grants by year

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
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

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$203,223$74,746$74,663$59,8508$59,867—$12,571
2024$203,140$154,159$90,214$80,5008$80,500$137,042$8,528
2023$139,195$58,301$108,167$99,00014$99,000$51,659$12,354
2022$189,061$21,889$90,556$79,67010$79,670$13,453$19,360
2021$257,728$185,865$198,088$189,2506$191,700$150,907$30,390
2020$269,951$32,419$115,845$103,5008—$22,524$38,355
2019$353,377$-61,952$202,479$185,85811—$2,449$69,900

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.

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.

Data update history

(7)

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)

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

The Goergen Foundation Inc

North Palm Beach, FL

The Goergen Foundation supports a range of organizations, including universities, schools, arts and cultural institutions, and groups working in conservation, health care, and community support. In 2024, grants ranged from $200 to $200,000, with a median of $3,000, and the largest shares went to organizations in Connecticut, New Jersey, New York, Florida, and Pennsylvania. It funds only preselected charitable organizations and does not accept unsolicited requests.

Assets

$37.2M

Grants

66

Total Given

$1.1M

Cornelia Cogswell Rossi Foundation Inc

Wilmington, DE

The Cornelia Cogswell Rossi Foundation funds conservation, education, family support, emergency medical services, and assistance for military families, with most 2025 grant dollars going to Maine and additional support in Connecticut, Maryland, Montana, and New York. Grants ranged from $250 to $500,000, with a median of $2,500. It does not accept unsolicited requests and gives only to preselected charitable organizations.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.5M

Grants

116

Total Given

$1.6M

Bristol-Myers Squibb Foundation Inc

Princeton, NJ

The Bristol-Myers Squibb Foundation supports health access and stronger health systems, with a focus on adult and pediatric cancers, blood disorders, brain health, and clinical-trial participation in the United States, Brazil, India, and ten Sub-Saharan African countries. In 2024, its median grant was about $134,000, though awards varied widely; it does not state whether it accepts unsolicited requests, and advises prospective applicants to contact the Foundation about its process.

Assets

$83.3M

Grants

144

Total Given

$67.7M

Mutual of America Foundation

New York, NY

Philanthropy, Voluntarism & Grantmaking

Assets

$136K

Grants

539

Total Given

$839K

Charina Foundation Inc

New York, NY

Charina Foundation supports 501(c)(3) organizations across varied fields, with most 2025 grant dollars going to recipients in New York and Massachusetts. Its 2025 grants ranged from $500 to $750,000, with a median of $7,500. It funds preselected organizations only and does not accept unsolicited requests.

Assets

$10.1M

Grants

279

Total Given

$3.8M

Open Society Institute

New York, NY

The Open Society Institute funds organizations and individuals advancing democracy, human rights, equity, and justice, including work on civic engagement, independent media, and digital rights. Its 2024 grants had a median of $15,000, though awards ranged widely, and it supports work nationally and globally. Application processes vary by program; most grants go to groups approached directly, and the Latin America and Caribbean program rarely funds unsolicited proposals.

Philanthropy, Voluntarism & Grantmaking

Assets

$5.4B

Grants

559

Total Given

$146.9M

More similar funders

More Funders in Connecticut

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from The Warren Foundation Inc's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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

Want AI to do this for you?