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Proteus Fund INC

EIN: 04-3243004 • Waltham, MA
Total Assets
$67.1M
Foundation endowment scale
Annual Giving
$21.6M
Annual capital distribution
Typical Grant
$50,000
Most grants: $28K – $85K
Application Status
Accepts New Applicants
Rolling review

About Proteus Fund INC Grantmaking

Proteus Fund INC is an institutional grantmaking foundation headquartered in Waltham, MA (EIN: 04-3243004). According to verified IRS Form 990-PF filings, the foundation maintains $67.1M in total assets and distributed $21.6M across 749 grants. Its typical award size is $50,000, with the middle 50% of awards falling between $28K and $85K. Its primary funding focus includes Civil Rights & Advocacy (48%), Human Services & Relief (16%), Education & Literacy (13%), with the highest concentration of grants awarded in DC (49%) and CA (22%).

Top Funded Causes% Capital
Civil Rights & Advocacy48%
$18.8M deployed154 awards
Human Services & Relief16%
$6.3M deployed99 awards
Education & Literacy13%
$5.2M deployed53 awards
Public & Societal Benefit12%
$4.7M deployed56 awards
Community & Economic Dev11%
$4.3M deployed43 awards
Top Recipient States% Dollars
DC State Recipients49%
$23.4M funded77 grants
CA State Recipients22%
$10.4M funded104 grants
MA State Recipients12%
$5.5M funded34 grants
NY State Recipients11%
$5.1M funded77 grants
FL State Recipients6%
$3.1M funded66 grants
Grant Size DistributionAward Scale
Major Grants ($100K+)19%
143 large institutional grants
Mid-Sized ($25K–$100K)54%
405 standard program grants
Micro & Small (<$25K)27%
201 grassroots micro-awards
Application Guidelines & DeadlinesPublic Filing Data
Application Policy
Accepts Unsolicited Proposals
Submission Deadlines

Rolling review

Geographic Focus & Restrictions

MA statewide and regional focus

Program Officer & Direct Contacts

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Recent Grant AwardsShowing 5 of 749 verified awards
Recipient OrganizationLocationTax YearAward AmountGrant Purpose
UnidosusWashington, DC2024$2,000,000Democracy
Voter Registration Project Education FundWashington, DC2024$2,000,000General support
Proteus Action LeagueWaltham, MA2024$1,799,000Rights & justice
The Voter Participation CenterWashington, DC2024$1,000,000General support
ReframeHarrisburg, VA2024$750,000Rights & justice
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Frequently Asked Questions about Proteus Fund INC

Does Proteus Fund INC accept unsolicited grant proposals?

Yes, Proteus Fund INC accepts unsolicited grant proposals. Submission review cycle: Rolling review.

What is the typical grant size from Proteus Fund INC?

The median grant size from Proteus Fund INC is $50,000, with the middle 50% of awards ranging between $28K and $85K.

What causes does Proteus Fund INC fund?

Over recent Form 990-PF filings, Proteus Fund INC's primary funding areas have been Civil Rights & Advocacy, Human Services & Relief, Education & Literacy.

How do I contact Proteus Fund INC about a grant?

Proteus Fund INC is headquartered in Waltham, MA. Verified NPO Grant subscribers can access direct program officer telephone extensions, verified work email addresses, and detailed submission guidelines.