Private foundation · EIN 22-2778703

Winslow Foundation

Preselected only

Wilmington, DE

Home › Delaware › Winslow Foundation

Tax year 2024 (period ending 2024-12-31) · Filed with IRS 2025 · Data as of 2026-10-24 · View filing on ProPublica · Source: IRS e-file object 202502829349100015
Total assets (EOY)$30,381,441
Grants paid$1,878,000
Typical (median) grant$20,000
Grants listed57
Giving in home state (DE)0%

Grant size distribution

RangeGrants
Under $5K26
$5K–$25K4
$25K–$100K22
$100K+5

Smallest $500 · Largest $250,000

Geographic focus

MD
20%
MA
19%
DC
13%
CA
13%
NC
6%
WA
6%
Other/foreign
4%
NY
4%

Common purposes

healthclimatenetworkplanetaryallianceorganizingfellowsconservationcenterbiologycascadeinstitutefutureconstitutionaldemocracy

Giving history

Tax yearContributions paidTotal assetsGrants listed
2023$1,883,999$28,584,08546
2024$1,878,000$30,381,44157

Years shown are the filings ingested so far; more years are added as additional IRS batches are processed.

How to apply

This foundation checked Part XV line 2 of its 990-PF: it only makes contributions to preselected charitable organizations and does not accept unsolicited requests.

Source: 990-PF Part XV line 2, tax year 2024.

Top recipients (tax year 2024)

RecipientLocationPurposeAmount
Mothers Out Front IncBOSTON, MAGeneral & Unrestricted$250,000
Johns Hopkins UniversityBALTIMORE, MDPlanetary Health Alliance$200,000
Keep Our Republic Charitable FundNATL HARBOR, MDGeneral & Unrestricted$175,000
Cambridge Health Alliance Foundation IncMALDEN, MAClimate Health Organizing Fellows Program$100,000
Stanford UniversitySTANFORD, CAConservation Center for Biology$100,000
Marine Conservation Biology InstituteSEATTLE, WAGeneral & Unrestricted$80,000
Royal Roads UniversityVICTORIACascade Institute$75,000
Appalachian VoicesBOONE, NCGeneral & Unrestricted$50,000
Climate Cabinet EducationSAN FRANCISCO, CAGeneral & Unrestricted$50,000
Global ImpactWASHINGTON, DCFuture US$50,000
Government Accountability Project IncWASHINGTON, DCGeneral & Unrestricted$50,000
Greenlight AmericaWASHINGTON, DCGeneral & Unrestricted$50,000
Oil & Gas Action NetworkOAKLAND, CAClimate Health Now$50,000
Sustainable Markets FoundationNEW YORK, NYConstitutional Democracy Initiative$50,000
Wildearth GuardiansSANTA FE, NMGeneral & Unrestricted$50,000
Board Of Regents Of The University Of Wisconsin SyMILWAUKEE, WIPollinator biodiversity and the stability of ecosystem services in a changing climate$43,000
Bennington College CorporationBENNINGTON, VTBeyond Plastics$40,000
Hack FoundationW HOLLYWOOD, CACampus Climate Network$40,000
Saving Nature IncDURHAM, NCGeneral & Unrestricted$40,000
Virginia Organizing IncCHARLOTTESVILLE, VAScience Communications Network$40,000
Alliance For Youth OrganizingWASHINGTON, DCGeneral & Unrestricted$35,000
Carolina Federation FundDURHAM, NCGeneral & Unrestricted$30,000
Clean And Prosperous America Education FundSEATTLE, WAGeneral & Unrestricted$30,000
Fair Elections CenterWASHINGTON, DCGeneral & Unrestricted$30,000
Secure Families FoundationWASHINGTON, DCGeneral & Unrestricted$30,000
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