Funding search · EIN 043243004 · Waltham, MA
Proteus Fund
A grantmaking public charity (files IRS Form 990, Schedule I). Charities like this often run real grant programs with application cycles.
- 1,040
- grants reported
- $92.7M
- total given
- 2022–2024
- filing years
- $35,000
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
Funder website ↗Full IRS filings ↗How this is builtReport an error
Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Voter Registration Project3 grants · $11.8M
- The Voter Participation Center4 grants · $7.0M
- Voter Registration Project Education Fund1 grant · $2.0M
- Unidosus1 grant · $2.0M
- Proteus Action League1 grant · $1.8M
- Rethink Media4 grants · $1.8M
- Grassroots International3 grants · $1.8M
- Movement Strategy Center2 grants · $1.5M
- Social and Environmental Entrepreneurs4 grants · $1.1M
- Social Good Fund4 grants · $1.1M
Giving over time
Grant history
The 100 largest of 1,040 grants.
- $7.8M
Voter Registration Project · Washington, DC · 2022
General support
- $3.0M
The Voter Participation Center · Washington, DC · 2022
General support
- $2.0M
Unidosus · Washington, DC · 2024
Democracy
- $2.0M
Voter Registration Project Education Fund · Washington, DC · 2024
General support
- $2.0M
Voter Registration Project · Washington, DC · 2023
General support
- $2.0M
Voter Registration Project · Washington, DC · 2023
General support
- $1.8M
Proteus Action League · Waltham, MA · 2024
Rights & justice
- $1.5M
The Voter Participation Center · Washington, DC · 2023
General support
- $1.5M
The Voter Participation Center · Washington, DC · 2023
General support
- $1.0M
The Voter Participation Center · Washington, DC · 2024
General support
- $1.0M
Center for Technology and Civic Life · Chicago, IL · 2022
Democracy
- $1.0M
State Innovation Exchange · Madison, WI · 2022
Democracy
- $770,000
Rethink Media · Berkeley, CA · 2022
Democracy
- $750,000
Reframe · Harrisburg, VA · 2024
Rights & justice
- $750,000
Grassroots International · Jamaica Plain, MA · 2023
General support
- $750,000
Grassroots International · Jamaica Plain, MA · 2023
General support
- $750,000
Movement Strategy Center · Oakland, CA · 2023
Rights & justice
- $750,000
Movement Strategy Center · Oakland, CA · 2023
Rights & justice
- $700,000
Common Counsel Foundation · Oakland, CA · 2022
Rights & justice
- $526,000
Social Good Fund · Richmond, CA · 2022
Rights & justice
- $500,000
Southern Poverty Law Center · Montgomery, AL · 2024
Democracy
- $500,000
People'S Solar Energy Fund · Florence, MA · 2023
General support
- $500,000
People'S Solar Energy Fund · Florence, MA · 2023
General support
- $500,000
Center for Public Interest Research · Boston, MA · 2022
Democracy
- $500,000
Highlander Research & Education Center · New Market, TN · 2022
Rights & justice
- $500,000
Nonprofit Vote · Cambridge, MA · 2022
General support
- $500,000
Voto Latino Foundation · Washington, DC · 2022
General support
- $472,748
Neo Philanthropy · New York, NY · 2022
Democracy
- $468,220
Allied Media Projects · Detroit, MI · 2022
Rights & justice
- $360,800
Social and Environmental Entrepreneurs · Calabassa, CA · 2023
Rights & justice
- $360,800
Social and Environmental Entrepreneurs · Calabassa, CA · 2023
Rights & justice
- $357,500
Tides Center · San Francisco, CA · 2022
Democracy
- $352,000
Haser · San Juan, PR · 2023
Rights & justice
- $352,000
Haser · San Juan, PR · 2023
Rights & justice
- $350,000
Seventh Generation Fund for Indigenous Peoples · McKinleyville, CA · 2022
General support
- $340,000
Rethink Media · San Francisco, CA · 2024
Rights & justice
- $330,000
The Greater New Orleans Foundation · New Orleand, LA · 2023
Rights & justice
- $330,000
The Greater New Orleans Foundation · New Orleand, LA · 2023
Rights & justice
- $320,000
Rethink Media · Berkeley, CA · 2023
Democracy
- $320,000
Rethink Media · Berkeley, CA · 2023
Democracy
- $320,000
University of St Thomans School of Law · Minneapolis, MN · 2023
Rights & justice
- $320,000
University of St Thomans School of Law · Minneapolis, MN · 2023
Rights & justice
- $305,000
Greater New Orleans Foundation · New Orleans, LA · 2024
Rights & justice
- $300,000
Nonprofit Vote · Cambridge, MA · 2024
General support
- $300,000
Northwest Film Forum · Seattle, WA · 2023
Rights & justice
- $300,000
Northwest Film Forum · Seattle, WA · 2023
Rights & justice
- $300,000
Project South the Institution for the Elimination Poverty & Genocide · Atlanta, GA · 2022
Democracy
- $276,250
Social and Environmental Entrepreneurs · Calabasas, CA · 2024
Rights & justice
- $250,000
The Open Mind Legacy Project · New York, NY · 2024
Rights & justice
- $250,000
Black Farmer Fund · New York, NY · 2023
General support
- $250,000
Black Farmer Fund · New York, NY · 2023
General support
- $250,000
Na'Ah Illahee Fund · Seattle, WA · 2023
General support
- $250,000
Na'Ah Illahee Fund · Seattle, WA · 2023
General support
- $250,000
Native American Food Sovereignty Alliance · Flaggstaff, AZ · 2023
General support
- $250,000
Native American Food Sovereignty Alliance · Flaggstaff, AZ · 2023
General support
- $250,000
Possibility Labs · San Francisco, CA · 2023
Rights & justice
- $250,000
Possibility Labs · San Francisco, CA · 2023
Rights & justice
- $250,000
State Leadership Project · Raleigh, NC · 2023
General support
- $250,000
State Leadership Project · Raleigh, NC · 2023
General support
- $250,000
Taproot Earth · Tulsa, OK · 2023
General support
- $250,000
Taproot Earth · Tulsa, OK · 2023
General support
- $250,000
Tides Foundation · San Francisco, CA · 2023
Democracy
- $250,000
Tides Foundation · San Francisco, CA · 2023
Democracy
- $250,000
Grassroots International · Jamaica Plain, MA · 2022
General support
- $250,000
Right To the City Alliance · Brooklyn, NY · 2022
General support
- $240,500
Defending Rights and Dissent · Washington, DC · 2024
Rights & justice
- $240,000
Sister Song · Atlanta, GA · 2022
Rights & justice
- $200,000
Fractured Atlas · New York, NY · 2024
Rights & justice
- $200,000
Roderick & Solange MacArthur Justice Center · Washington, DC · 2024
Rights & justice
- $200,000
Black Cultural Zone Community Development Corporation · Oakland, CA · 2023
General support
- $200,000
Black Cultural Zone Community Development Corporation · Oakland, CA · 2023
General support
- $200,000
Canticle Farm · Oakland, CA · 2023
Rights & justice
- $200,000
Canticle Farm · Oakland, CA · 2023
Rights & justice
- $200,000
Project Weber Renew · Providence, RI · 2023
General support
- $200,000
Project Weber Renew · Providence, RI · 2023
General support
- $200,000
The Embodiment Institute · Durham, NC · 2023
General support
- $200,000
The Embodiment Institute · Durham, NC · 2023
General support
- $200,000
Voter Formation Project · Washington, DC · 2023
General support
- $200,000
Voter Formation Project · Washington, DC · 2023
General support
- $200,000
Black Organizing for Leadership and Dignity · New York, NY · 2022
Rights & justice
- $200,000
Hawai'I People'S Fund · Honolulu, HI · 2022
General support
- $200,000
Political Research Associates · Somerville, MA · 2022
General support
- $200,000
Windward Fund · Washington, DC · 2022
Democracy
- $199,146
Woven Collective · Honolulu, HI · 2024
Democracy
- $188,500
Fractured Atlas · New York, NY · 2023
Rights & justice
- $188,500
Fractured Atlas · New York, NY · 2023
Rights & justice
- $187,200
Social Good Fund · Richmond, CA · 2023
Rights & justice
- $187,200
Social Good Fund · Richmond, CA · 2023
Rights & justice
- $182,250
Center for Third World Organizing · Oakland, CA · 2022
Democracy
- $182,000
Louisiana Parole Project · Baton Rouge, LA · 2022
General support
- $178,820
The Lgbt Center Orlando · Orlando, FL · 2024
Rights & justice
- $175,000
Center for Constitutional Rights · New York, NY · 2024
General support
- $175,000
Keep Kansas Courts Impartial · Lawrence, KS · 2022
Democracy
- $170,000
Common Cause Education Fund · Washington, DC · 2022
Democracy
- $170,000
The Greater New Orleans Foundation · New Orleand, LA · 2022
Rights & justice
- $167,325
Allied Media Projects · Detroit, MI · 2023
Rights & justice
- $167,325
Allied Media Projects · Detroit, MI · 2023
Rights & justice
- $163,000
Fractured Atlas · New York, NY · 2022
Rights & justice
- $153,000
The Lgbt Plus Center Orlando · Orlando, FL · 2023
Rights & justice
- $153,000
The Lgbt Plus Center Orlando · Orlando, FL · 2023
Rights & justice
Who else funds this kind of work
Same state
- Combined Jewish Philanthropies of Greater Boston4,151 grants · $943.7M
- Bny Mellon Charitable Gift Fund3,620 grants · $914.9M
- Mass General Brigham Incorporated &472 grants · $3.11B
Similar purposes
- The Ford Foundation10,731 grants · $2.35B
- John D and Catherine T MacArthur Foundation (Consolidated)7,100 grants · $1.67B
- Foundation To Promote Open Society3,312 grants · $1.72B
Similar grant size
- Ohio Child Care Resource and Referral16,278 grants · $1.08B
- Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
- The Chicago Community Trust14,939 grants · $5.82B
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990, Schedule I, as filed by this organization. These are grants already paid. Grants paid directly to individuals are reported to the IRS only as totals, so they do not appear as named lines here.

