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    3. Proteus Fund
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    Proteus Fund

    ActivoEducation
    WALTHAM, MASitio web4132560349EIN: 04-3243004

    About Proteus Fund

    Proteus Fund connects philanthropy to the frontlines of social justice to advance racial, gender, queer, and disability justice, and an inclusive, fully representative democracy.

    Focus Areas

    Racial justiceGender justiceLGBTQ/Queer justiceDisability justiceDemocracy and civic participationJudicial integrityMoney in politics reformRight to protestReproductive rightsDigital security and safetyImmigrant and migrant justiceNarrative change and communications

    Who They Fund

    marginalized and rights-bearing communities

    About Proteus Fund

    Proteus Fund Inc centers philanthropy on social justice infrastructure, with grants that repeatedly back democracy work, rights and justice organizations, and collaborative vehicles that move money to the frontlines. Among its largest recent awards are $7,750,000 to Voter Registration Project and $3,000,000 to The Voter Participation Center, both in Washington, DC, alongside a $2,000,000 grant to Unidosus for democracy work. The pattern points to a funder that supports both large-scale civic participation efforts and organizations rooted in racial, gender, queer, and disability justice. The foundation also channels substantial support through its own affiliated and collaborative structures. Proteus Action League received $1,799,000 in 2025 for rights and justice, while collaborative initiatives such as the Piper Fund, the Rights, Faith & Democracy Collaborative, and RISE Together Fund show how the funder organizes capital around specific movements and issue intersections. Grants in the recent list include general support, rights & justice, and democracy, suggesting an emphasis on flexible funding for groups working on policy, advocacy, and field-building. The grant record includes recurring support for some recipients across multiple years, which indicates sustained relationships rather than isolated awards.

    What Proteus Fund Funds

    Democracy and civic participation is one of the clearest threads in Proteus Fund Inc’s recent grantmaking. It gave $1,000,000 to Center for Technology and Civic Life for democracy work and another $1,000,000 to State Innovation Exchange for the same purpose. The foundation also supported Nonprofit Vote with $500,000 in general support, linking civic participation to organizational capacity. Its rights-and-justice portfolio includes movement-oriented support for organizations such as Movement Strategy Center, which received $750,000 in 2024 and again in 2025, and Common Counsel Foundation, which received $700,000. The foundation also funded Social Good Fund with $526,000 and Allied Media Projects with $468,220, both in rights and justice. In reproductive and faith-related work, the Rights, Faith & Democracy Collaborative is positioned to fund coalitions at the intersection of religious-freedom claims and protections for gender, LGBTQ, and racial justice.

    How Proteus Fund Gives

    Proteus Fund Inc gives at a sizable mid-to-large grant scale: the typical grant size is $15,000 at the 25th percentile, $30,000 at the median, and $64,500 at the 75th percentile. The recent record also includes much larger program and general-support grants, showing a wide spread from core operating support to major institutional funding. The pattern is not one-off. Several recipients appear across multiple years, including The Voter Participation Center, Voter Registration Project, Grassroots International Inc, Movement Strategy Center, and People’s Solar Energy Fund. Proteus Fund Inc is a mixed community foundation and does not fund individuals or make program-related investments. The grant data also shows a strong reliance on general support and unrestricted/core operating support.

    Financial Snapshot

    Annual Giving

    $42.5M

    Total Assets

    $67.1M

    Total Revenue

    $43.2M

    Total Expenses

    $50.9M

    Typical Grant Size

    Most grants fall between $15K and $65K, with a median of $30K.

    25th Percentile

    $15K

    Median

    $30K

    75th Percentile

    $65K

    Geographic Reach

    National46 states funded

    About 5% of grants go to recipients in CA.

    Intensidad de financiamiento
    Baja
    Alta
    Sede

    Leadership

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    people impacted by the justice system
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    Funding Style

    general supportunrestricted/core operating supportorganizational operating support

    Topics

    rights & justicelegal services and representationcivil and human rights advocacycriminal justice reformpolicy and systems advocacy

    Where Proteus Fund Makes Grants

    Proteus Fund Inc gives nationally, and every grant in the recipient-country distribution goes to US-based organizations. The top state by grant count is California, while only 5% of grants go to recipients in Massachusetts, despite the foundation’s headquarters being in Waltham. Recent California recipients include Rethink Media in Berkeley, Movement Strategy Center in Oakland, Common Counsel Foundation in Oakland, Social Good Fund in Richmond, and Social and Environmental Entrepreneurs in Calabasas. Washington, DC also appears frequently among larger grants.

    Frequently Asked Questions About Proteus Fund

    What kinds of work does Proteus Fund Inc support?

    Its core grantmaking centers on racial justice, gender justice, LGBTQ/queer justice, disability justice, democracy and civic participation, judicial integrity, money in politics reform, right to protest, reproductive rights, digital security and safety, immigrant and migrant justice, and narrative change and communications.

    How does Proteus Fund Inc usually structure its support?

    The recent record shows a strong mix of general support and unrestricted or core operating support, alongside rights & justice and democracy grants. It also uses donor collaborative structures and field-building vehicles such as the Piper Fund, the Rights, Faith & Democracy Collaborative, RISE Together Fund, and Solidarity Collaborative.

    Does Proteus Fund Inc fund the same organizations more than once?

    Yes. The recent grants list shows repeat support for several recipients across multiple years, including The Voter Participation Center, Voter Registration Project, Grassroots International Inc, Movement Strategy Center, and People’s Solar Energy Fund.

    What is the typical grant size at Proteus Fund Inc?

    The typical grant size is $15,000 at the 25th percentile, $30,000 at the median, and $64,500 at the 75th percentile. The recent list also includes larger awards in the millions, especially for democracy and civic participation work.

    Where do most of Proteus Fund Inc’s grants go?

    The grant record is national, with all listed recipient-country distribution going to US organizations. By state count, California receives the most grants, and Massachusetts accounts for 5% of grants.

    PAUL DI DONATO

    Accepts unsolicited proposals
    Latest 990 Filing

    2025

    Source: IRS Form 990-PF, fiscal year 2025.

    Recent Grants

    Most recent grants reported to the IRS.

    RecipientLocationAmountYearPurpose
    UNIDOSUSWASHINGTON, DC$2,000,0002025DEMOCRACY
    VOTER REGISTRATION PROJECT EDUCATION FUNDWASHINGTON, DC$2,000,0002025GENERAL SUPPORT
    VOTER REGISTRATION PROJECTWASHINGTON, DC$2,000,0002025GENERAL SUPPORT
    PROTEUS ACTION LEAGUEWALTHAM, MA$1,799,0002025RIGHTS & JUSTICE
    THE VOTER PARTICIPATION CENTERWASHINGTON, DC$1,500,0002025GENERAL SUPPORT
    THE VOTER PARTICIPATION CENTERWASHINGTON, DC$1,000,0002025GENERAL SUPPORT
    REFRAMEHARRISBURG, VA$750,0002025RIGHTS & JUSTICE
    GRASSROOTS INTERNATIONAL INCJAMAICA PLAIN, MA$750,0002025GENERAL SUPPORT
    MOVEMENT STRATEGY CENTEROAKLAND, CA$750,0002025RIGHTS & JUSTICE
    PEOPLE'S SOLAR ENERGY FUNDFLORENCE, MA$500,0002025GENERAL SUPPORT
    SOUTHERN POVERTY LAW CENTERMONTGOMERY, AL$500,0002025DEMOCRACY
    SOCIAL AND ENVIRONMENTAL ENTREPRENEURSCALABASSA, CA$360,8002025RIGHTS & JUSTICE
    HASERSAN JUAN, PR$352,0002025RIGHTS & JUSTICE
    RETHINK MEDIASAN FRANCISCO, CA$340,0002025RIGHTS & JUSTICE
    THE GREATER NEW ORLEANS FOUNDATIONNEW ORLEAND, LA$330,0002025RIGHTS & JUSTICE
    UNIVERSITY OF ST THOMANS SCHOOL OF LAWMINNEAPOLIS, MN$320,0002025RIGHTS & JUSTICE
    RETHINK MEDIABERKELEY, CA$320,0002025DEMOCRACY
    GREATER NEW ORLEANS FOUNDATIONNEW ORLEANS, LA$305,0002025RIGHTS & JUSTICE
    NONPROFIT VOTE INCCAMBRIDGE, MA$300,0002025GENERAL SUPPORT
    NORTHWEST FILM FORUMSEATTLE, WA$300,0002025RIGHTS & JUSTICE
    SOCIAL AND ENVIRONMENTAL ENTREPRENEURSCALABASAS, CA$276,2502025RIGHTS & JUSTICE
    THE OPEN MIND LEGACY PROJECTNEW YORK, NY$250,0002025RIGHTS & JUSTICE
    BLACK FARMER FUNDNEW YORK, NY$250,0002025GENERAL SUPPORT
    TAPROOT EARTHTULSA, OK$250,0002025GENERAL SUPPORT
    TIDES FOUNDATIONSAN FRANCISCO, CA$250,0002025DEMOCRACY
    NATIVE AMERICAN FOOD SOVEREIGNTY ALLIANCEFLAGGSTAFF, AZ$250,0002025GENERAL SUPPORT
    STATE LEADERSHIP PROJECTRALEIGH, NC$250,0002025GENERAL SUPPORT
    NA'AH ILLAHEE FUNDSEATTLE, WA$250,0002025GENERAL SUPPORT
    POSSIBILITY LABSSAN FRANCISCO, CA$250,0002025RIGHTS & JUSTICE
    DEFENDING RIGHTS AND DISSENTWASHINGTON, DC$240,5002025RIGHTS & JUSTICE
    RODERICK & SOLANGE MACARTHUR JUSTICE CENTERWASHINGTON, DC$200,0002025RIGHTS & JUSTICE
    PROJECT WEBER RENEWPROVIDENCE, RI$200,0002025GENERAL SUPPORT
    THE EMBODIMENT INSTITUTEDURHAM, NC$200,0002025GENERAL SUPPORT
    BLACK CULTURAL ZONE COMMUNITY DEVELOPMENT CORPORATIONOAKLAND, CA$200,0002025GENERAL SUPPORT
    FRACTURED ATLASNEW YORK, NY$200,0002025RIGHTS & JUSTICE
    CANTICLE FARMOAKLAND, CA$200,0002025RIGHTS & JUSTICE
    VOTER FORMATION PROJECTWASHINGTON, DC$200,0002025GENERAL SUPPORT
    WOVEN COLLECTIVE INCHONOLULU, HI$199,1462025DEMOCRACY
    FRACTURED ATLASNEW YORK, NY$188,5002025RIGHTS & JUSTICE
    SOCIAL GOOD FUNDRICHMOND, CA$187,2002025RIGHTS & JUSTICE
    THE LGBT CENTER ORLANDOORLANDO, FL$178,8202025RIGHTS & JUSTICE
    CENTER FOR CONSTITUTIONAL RIGHTSNEW YORK, NY$175,0002025GENERAL SUPPORT
    ALLIED MEDIA PROJECTSDETROIT, MI$167,3252025RIGHTS & JUSTICE
    THE LGBT PLUS CENTER ORLANDOORLANDO, FL$153,0002025RIGHTS & JUSTICE
    SOCIAL GOOD FUNDRICHMOND, CA$152,5002025RIGHTS & JUSTICE
    COMMON COUNSEL FOUNDATIONOAKLAND, CA$150,0002025RIGHTS & JUSTICE
    WESTERN ORGANIZATION OF RESOURCE COUCILS EDUCATION PROJECTBILLINGS, MT$150,0002025DEMOCRACY
    MUSLIM ADVOCATESWASHINGTON, DC$150,0002025GENERAL SUPPORT
    ARKANSAS PUBLIC POLICY PANELLITTLE ROCK, AR$150,0002025GENERAL SUPPORT
    LAVENDER RIGHTS PROJECTTACOMA, WA$150,0002025GENERAL SUPPORT

    UNIDOSUS

    $2,000,000
    WASHINGTON, DC2025

    DEMOCRACY

    VOTER REGISTRATION PROJECT EDUCATION FUND

    $2,000,000
    WASHINGTON, DC2025

    GENERAL SUPPORT

    VOTER REGISTRATION PROJECT

    $2,000,000
    WASHINGTON, DC2025

    GENERAL SUPPORT

    PROTEUS ACTION LEAGUE

    $1,799,000
    WALTHAM, MA2025

    RIGHTS & JUSTICE

    THE VOTER PARTICIPATION CENTER

    $1,500,000
    WASHINGTON, DC2025

    GENERAL SUPPORT

    THE VOTER PARTICIPATION CENTER

    $1,000,000
    WASHINGTON, DC2025

    GENERAL SUPPORT

    REFRAME

    $750,000
    HARRISBURG, VA2025

    RIGHTS & JUSTICE

    GRASSROOTS INTERNATIONAL INC

    $750,000
    JAMAICA PLAIN, MA2025

    GENERAL SUPPORT

    MOVEMENT STRATEGY CENTER

    $750,000
    OAKLAND, CA2025

    RIGHTS & JUSTICE

    PEOPLE'S SOLAR ENERGY FUND

    $500,000
    FLORENCE, MA2025

    GENERAL SUPPORT

    SOUTHERN POVERTY LAW CENTER

    $500,000
    MONTGOMERY, AL2025

    DEMOCRACY

    SOCIAL AND ENVIRONMENTAL ENTREPRENEURS

    $360,800
    CALABASSA, CA2025

    RIGHTS & JUSTICE

    HASER

    $352,000
    SAN JUAN, PR2025

    RIGHTS & JUSTICE

    RETHINK MEDIA

    $340,000
    SAN FRANCISCO, CA2025

    RIGHTS & JUSTICE

    THE GREATER NEW ORLEANS FOUNDATION

    $330,000
    NEW ORLEAND, LA2025

    RIGHTS & JUSTICE

    UNIVERSITY OF ST THOMANS SCHOOL OF LAW

    $320,000
    MINNEAPOLIS, MN2025

    RIGHTS & JUSTICE

    RETHINK MEDIA

    $320,000
    BERKELEY, CA2025

    DEMOCRACY

    GREATER NEW ORLEANS FOUNDATION

    $305,000
    NEW ORLEANS, LA2025

    RIGHTS & JUSTICE

    NONPROFIT VOTE INC

    $300,000
    CAMBRIDGE, MA2025

    GENERAL SUPPORT

    NORTHWEST FILM FORUM

    $300,000
    SEATTLE, WA2025

    RIGHTS & JUSTICE

    SOCIAL AND ENVIRONMENTAL ENTREPRENEURS

    $276,250
    CALABASAS, CA2025

    RIGHTS & JUSTICE

    THE OPEN MIND LEGACY PROJECT

    $250,000
    NEW YORK, NY2025

    RIGHTS & JUSTICE

    BLACK FARMER FUND

    $250,000
    NEW YORK, NY2025

    GENERAL SUPPORT

    TAPROOT EARTH

    $250,000
    TULSA, OK2025

    GENERAL SUPPORT

    TIDES FOUNDATION

    $250,000
    SAN FRANCISCO, CA2025

    DEMOCRACY

    NATIVE AMERICAN FOOD SOVEREIGNTY ALLIANCE

    $250,000
    FLAGGSTAFF, AZ2025

    GENERAL SUPPORT

    STATE LEADERSHIP PROJECT

    $250,000
    RALEIGH, NC2025

    GENERAL SUPPORT

    NA'AH ILLAHEE FUND

    $250,000
    SEATTLE, WA2025

    GENERAL SUPPORT

    POSSIBILITY LABS

    $250,000
    SAN FRANCISCO, CA2025

    RIGHTS & JUSTICE

    DEFENDING RIGHTS AND DISSENT

    $240,500
    WASHINGTON, DC2025

    RIGHTS & JUSTICE

    RODERICK & SOLANGE MACARTHUR JUSTICE CENTER

    $200,000
    WASHINGTON, DC2025

    RIGHTS & JUSTICE

    PROJECT WEBER RENEW

    $200,000
    PROVIDENCE, RI2025

    GENERAL SUPPORT

    THE EMBODIMENT INSTITUTE

    $200,000
    DURHAM, NC2025

    GENERAL SUPPORT

    BLACK CULTURAL ZONE COMMUNITY DEVELOPMENT CORPORATION

    $200,000
    OAKLAND, CA2025

    GENERAL SUPPORT

    FRACTURED ATLAS

    $200,000
    NEW YORK, NY2025

    RIGHTS & JUSTICE

    CANTICLE FARM

    $200,000
    OAKLAND, CA2025

    RIGHTS & JUSTICE

    VOTER FORMATION PROJECT

    $200,000
    WASHINGTON, DC2025

    GENERAL SUPPORT

    WOVEN COLLECTIVE INC

    $199,146
    HONOLULU, HI2025

    DEMOCRACY

    FRACTURED ATLAS

    $188,500
    NEW YORK, NY2025

    RIGHTS & JUSTICE

    SOCIAL GOOD FUND

    $187,200
    RICHMOND, CA2025

    RIGHTS & JUSTICE

    THE LGBT CENTER ORLANDO

    $178,820
    ORLANDO, FL2025

    RIGHTS & JUSTICE

    CENTER FOR CONSTITUTIONAL RIGHTS

    $175,000
    NEW YORK, NY2025

    GENERAL SUPPORT

    ALLIED MEDIA PROJECTS

    $167,325
    DETROIT, MI2025

    RIGHTS & JUSTICE

    THE LGBT PLUS CENTER ORLANDO

    $153,000
    ORLANDO, FL2025

    RIGHTS & JUSTICE

    SOCIAL GOOD FUND

    $152,500
    RICHMOND, CA2025

    RIGHTS & JUSTICE

    COMMON COUNSEL FOUNDATION

    $150,000
    OAKLAND, CA2025

    RIGHTS & JUSTICE

    WESTERN ORGANIZATION OF RESOURCE COUCILS EDUCATION PROJECT

    $150,000
    BILLINGS, MT2025

    DEMOCRACY

    MUSLIM ADVOCATES

    $150,000
    WASHINGTON, DC2025

    GENERAL SUPPORT

    ARKANSAS PUBLIC POLICY PANEL

    $150,000
    LITTLE ROCK, AR2025

    GENERAL SUPPORT

    LAVENDER RIGHTS PROJECT

    $150,000
    TACOMA, WA2025

    GENERAL SUPPORT