Proteus Fund Inc

Nonprofit · Grant recipient Also a grantmaker → Waltham, MA EIN 04-3243004

Funding Overview

From IRS Form 990 filings · 2024–2025

Total received

$39.0M

Foundation funders

91

Grants recorded

200

Years covered

2024–2025

Who funds Proteus Fund Inc?

Proteus Fund Inc is funded by 91 grantmakers, led by The Ford Foundation ($6.3M), Vital Projects Fund Inc ($6.2M), The Susan Thompson Buffett Foundation ($2.5M). In total, IRS Form 990 filings record $39.0M in grants to Proteus Fund Inc between 2024–2025.

FunderTotal givenGrantsYears
The Ford Foundation$6,322,076222024
Vital Projects Fund Inc$6,249,00022024–2025
The Susan Thompson Buffett Foundation$2,542,55672024–2025
Wellspring Philanthropic Fund Inc$2,426,00092024
Foundation to Promote Open Society$1,675,00032024
Freedom Together Foundation$1,450,00042024
Foundation for a Just Society$1,283,33352024
Ventus Charitable Foundation$1,150,00022024–2025
Arcus Foundation$775,00042024
Democracy Fund Inc$750,00022024
WK Kellogg Foundation$700,00042024
The Robert Wood Johnson Foundation$663,41222024
The Oak Foundation USA$600,00022024–2025
The William & Flora Hewlett Foundation$580,00032024
Hopewell Fund$530,00012024
The California Endowment$525,00042024
Bernard and Anne Spitzer$500,00012024
Flock Inc$500,00012024
The Heising-Simons Foundation$500,00032024
Common Counsel Foundation$445,00042024
Tikkun Olam Foundation Inc$440,00022024
New Venture Fund$412,96512024
John D and Catherine T Macarthur$405,00032024
The Reis Foundation Inc$380,00022024–2025
The Chicago Community Trust$315,00022024–2025
Show all 91 funders
Rockefeller Philanthropy Advisors Inc$315,00012024
Dorot Foundation$300,00022024–2025
CS Fund$280,00052024–2025
The Andrew W Mellon Foundation$275,00012024
Gates Foundation$250,00012024
Marin Community Foundation$245,00022024–2025
Wayfarer Foundation$225,00012024
Rockefeller Brothers Fund Inc$224,50032024
Krupp Family Foundation$223,46412024
Seattle Foundation$206,000132024
Liberty Hill Foundation$200,00052024–2025
Bernard F & Alva B Gimbel Foundation$200,00012024
United States Energy Foundation$189,35012024
The Schmidt Family Foundation$166,66712024
Weissberg Foundation$160,00012024
The Leonard & Sophie Davis Fund$160,00012024
Colombe Peace Foundation$150,00022024–2025
The Nathan Cummings Foundation Inc$150,00012024
Unbound Philanthropy$150,00012024
Public Welfare Foundation Inc$150,00012024
The Irving Harris Foundation$150,00022024
Women Donors Network$150,00022024
Mertz Gilmore Foundation$138,50032024
Horizons Foundation$110,50022024–2025
Willow Redistribution Foundation$105,00022025
Rockefeller Family Fund Inc$105,00012024
General Service Foundation$105,00022024
John E Fetzer Institute Inc$100,00022024–2025
Freeman Foundation$100,00022024–2025
Wallace Global Fund II$100,00012024
The Henry Luce Foundation Inc$100,00012024
Solidaire Network Inc$100,00012024
Jewish Community Foundation of San Diego$100,00012024
The Sagner Family Foundation$100,00012024
The New World Foundation$90,00032024–2025
Borealis Philanthropy$80,00012024
Tides Foundation$80,00012024
The Overbrook Foundation$75,00012024
With Foundation$63,00022024–2025
Fthree Foundation$60,00012024
The Commonwealth Fund$50,00012024
Lafetra Foundation$50,00012024
Raikes Foundation$50,00022024
Johns Hopkins University$48,30622024–2025
Orange County Community Foundation$45,00012025
RSF Social Finance Inc$40,00012024
The Casey & Family Foundation$40,00012024
Heart of Florida United Way Inc$35,00012024
Vanguard Charitable Endowment Program$31,00012024
Ms Foundation for Women Inc$30,00012025
Philanthropy Northwest$30,00012024
Asian Law Caucus$30,00012024
The Summit Charitable Foundation Inc$20,00012024
Islamic Relief USA$18,00012024
Boston Foundation Inc$15,00012025
Working Families Organization Inc$15,00012024
Conrad N Hilton Foundation$15,00012024
Social Justice Fund Northwest$12,50012024
Lebowitz-Aberly Family Foundation$10,00012024
National Philanthropic Trust$7,50012024
The Farbman Family Foundation$7,00012024
Burt Family Foundation$2,00012024
William J and Dorothy K O'Neill$1,00012024
Gallagher Family Fund$25012024
Analog Devices Foundation$10612024
Polk Bros Foundation Inc$10012024

Funding over time

Grant dollars and counts received per year

$0$10M$20M$30M$40M174 grants202426 grants2025

What grants has Proteus Fund Inc received?

Individual grants from IRS Form 990 filings, newest first

YearFunderPurposeAmount
2025Vital Projects Fund IncGENERAL SUPPORT$2,753,000
2025The Susan Thompson Buffett FoundationPROGRAM SUPPORT$502,184
2025Ventus Charitable FoundationCHARITABLE$500,000
2025The Susan Thompson Buffett FoundationPROGRAM SUPPORT$351,556
2025The Susan Thompson Buffett FoundationPROGRAM SUPPORT$301,470
2025The Oak Foundation USATO PROVIDE CORE SUPPORT TO PUENTES, A COMMUNICATIONS HUB IN LATIN AMERICA.$300,000
2025The Chicago Community TrustGeneral support for programs, operations and other charitable purposes$290,000
2025The Reis Foundation IncProject Support$280,000
2025Dorot FoundationFOR RIGHTS, FAITH AND DEMOCRACY, AND PIPER FUND$150,000
2025Marin Community FoundationSUPPORT THE PIPER FUND$135,000
2025CS FundRISE TOGETHER FUND$85,000
2025CS FundPIPER FUND$80,000
2025Willow Redistribution FoundationTHIRD WAVE FUND$80,000
2025Colombe Peace FoundationGENERAL PURPOSES$75,000
2025Horizons FoundationProteus Fund's Rights, Faith, and Democracy Collaborative$60,000
2025John E Fetzer Institute IncGENERAL OPERATING SUPPORT$50,000
2025Freeman FoundationSex Worker Giving Circle of the Third Wave Fund$50,000
2025The New World FoundationIN SUPPORT OF THE EMBRACERACES NATIONAL CONVENING ON CHILDRENS RACIAL LEARNING$50,000
2025With FoundationEXPLORATORY SUPPORT$48,000
2025Orange County Community FoundationHUMAN SERVICES$45,000
2025Ms Foundation for Women IncGENERAL OPERATING SUPPORT$30,000
2025Johns Hopkins UniversitySUB-AWARD$26,648
2025Willow Redistribution FoundationTHIRD WAVE FUND$25,000
2025The New World FoundationIN SUPPORT OF EMBRACERACE$20,000
2025Boston Foundation IncOperating Support/Annual Fund$15,000
2025Liberty Hill FoundationGENERAL OPERATING SUPPORT FOR THIRD WAVE FUND$15,000
2024Vital Projects Fund IncGENERAL SUPPORT$3,496,000
2024Foundation to Promote Open SocietyTO SUPPORT PUENTES, A FISCALLY-SPONSORED PROJECT, TO FOSTER NEW NARRATIVES ON DEMOCRACY AND ADDRESS GAPS IN DIGITAL RIGHTS AND ACCESS FOR WOMEN IN LATIN AMERICA$1,125,000
2024The Ford FoundationCORE SUPPORT FOR THE RISE TOGETHER FUND TO SUPPORT BLACK, AFRICAN, ARAB, MIDDLE EASTERN, MUSLIM, AND SOUTH ASIAN (BAMEMSA) MOVEMENTS TO BUILD A JUST, INCLUSIVE, AND MULTIRACIAL DEMOCRACY IN THE U.S. AND PROJECT SUPPORT FOR INSTITUTIONAL STRENGTHENING$1,015,000
2024Wellspring Philanthropic Fund IncADVANCING GLOBAL CHILDREN'S AND WOMEN'S RIGHTS$900,000

Showing 30 most recent of 200 recorded grants.

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Frequently Asked Questions

Who funds Proteus Fund Inc?

Proteus Fund Inc is funded by 91 grantmakers, led by The Ford Foundation ($6.3M), Vital Projects Fund Inc ($6.2M), The Susan Thompson Buffett Foundation ($2.5M). In total, IRS Form 990 filings record $39.0M in grants to Proteus Fund Inc between 2024–2025.

Who is Proteus Fund Inc's largest funder?

The Ford Foundation is the largest recorded funder of Proteus Fund Inc, with $6.3M across 22 grants (2024).

How much grant funding has Proteus Fund Inc received?

IRS 990 filings record $39.0M in grants to Proteus Fund Inc across 200 grants from 91 funders between 2024–2025. Filings are published on a delay, so recent grants may not appear yet.

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