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Data / Foundation grants / Allen Family Philanthropies

Allen Family Philanthropies: 112 grants to organizations, $58 million (tax year ended December 2024)

Allen Family Philanthropies, a private foundation in Seattle, WA, paid 112 grants to organizations totaling $57,950,248 in its tax year ended December 2024, according to its Form 990-PF filed with the IRS on November 13, 2025. The largest was $10,422,623 to Artsfund in Seattle, WA for to support the community accelerator grant renewal for the second year of program administration..

SpecStream is the live web data engine for teams and agents. It reads every private foundation's Form 990-PF as the IRS publishes it, and this page is that reading. Ask for the foundations that fund your cause in your state, with the amounts and purposes, and new grants arrive in your sheet, CRM, Slack or agent as the returns are filed.

EIN
943082532
Based in
Seattle, WA
Assets
$1,380,464,618
Grants paid
$57,950,248
Tax year ended
December 2024

Grants paid, tax year ended December 2024

From the Form 990-PF filed November 13, 2025, IRS object ID 202513179349103231. It reported $57,950,248 in grants paid; 112 grants to organizations are listed.

RecipientLocationPurposeCauseAmountSource
ArtsfundSeattle, WATo support the community accelerator grant renewal for the second year of program administration.Arts, culture and humanities$10,422,623apps.irs.gov
Childrens Hospital CorporationBoston, MATo support the allen discovery center for human brain evolution at boston children's hospital and harvard medical schoolHealth care$2,500,000apps.irs.gov
Icahn School of Medicine at Mount SinaiNew York, NYTo support the allen discovery center for neuroimmune interactionsEducation$2,500,000apps.irs.gov
Regents of the University of California at San DiegoLa Jolla, CATo support the allen discovery center for neurobiology in changing environmentsHealth care$2,500,000apps.irs.gov
University of Washington FoundationSeattle, WATo support allen discovery center for cell lineage tracing phase 2Education$2,500,000apps.irs.gov
National Geographic SocietyWashington, DCTo support the slingshot challengeEducation$1,763,533apps.irs.gov
Friends of Seattle WaterfrontSeattle, WATo support cultural programming at waterfront parkCommunity improvement and capacity building$1,518,612apps.irs.gov
Florida International University Foundation IncMiami, FLTo support a project titled "operation pangolin"Education$1,435,763apps.irs.gov
The Earthshot PrizeLondon, UKTo support the renewal for the earthshot prize founding partnership$1,276,100apps.irs.gov
American Heart Association IncSeattle, WATo support bioscience research in relation to advancing our understanding of brain health and cognitive impairment$1,250,000apps.irs.gov
Sustainable Markets FoundationNew York, NYTo support decoding mycorrhizal networks at global scaleEnvironment$1,042,500apps.irs.gov
Sustainable Markets FoundationNew York, NYTo support decoding mycorrhizal networks at global scaleEnvironment$1,042,500apps.irs.gov
Rockefeller Philanthropy Advisors IncNew York, NYTo support oceans 5 renewalPhilanthropy, voluntarism and grantmaking foundations$1,000,000apps.irs.gov
Chancellor Masters & Scholars of the University of OxfordOxford, UKTo support lion lifeline: transforming conservation at scale by linking investment to measurable success in conserving lions and wider biodiversity$800,000apps.irs.gov
Earth GenomeLos Altos, CATo support a blueprint for scalable seagrass ecosystem mappingEnvironment$763,083apps.irs.gov
American Friends of the Royal Foundation of the Duke and DuchessCambridge, MATo support united for wildlife in combating illegal wildlife tradePhilanthropy, voluntarism and grantmaking foundations$750,000apps.irs.gov
Housing LopezLopez Island, WATo support rooted and rising campaign: lopez islandHousing and shelter$750,000apps.irs.gov
Seattle Symphony Orchestra IncSeattle, WATo support the amplify campaignArts, culture and humanities$750,000apps.irs.gov
University of Washington FoundationSeattle, WATo support the salish sea coupled modeling framework.Education$729,869apps.irs.gov
The Earth Species ProjectBerkeley, CATo support the development of a foundation model for encoding animal vocalizations$600,000apps.irs.gov
Mukuru Clean Stoves FoundationKalandin, KETo support combatting air pollution & malaria$585,000apps.irs.gov
University of Washington FoundationSeattle, WATo support acoustic monitoring of marine mammals with distributed acoustic sensing (das): applications to southern resident killer and humpback whalesEducation$529,270apps.irs.gov
Asia Pacific Cultural CenterTacoma, WATo support one heart, one home campaign: new building projectArts, culture and humanities$500,000apps.irs.gov
Columbia University in the City of New YorkNew York, NYTo support sex hormone morphogenesis: a new frontier in studying organ development$500,000apps.irs.gov
Johns Hopkins UniversityBaltimore, MDTo support composition and functionality of the ev corona: learning from lipoproteins$500,000apps.irs.gov
Murdoch Children's Research InstituteMelbourne, ASTo support understanding the effects of gender affirming hormone therapy (gaht) on immune function using a systems immunology approach$500,000apps.irs.gov
Regents Univ of CaliforniaLos Angeles, CATo support mechanobiology tools for dissecting drivers of membrane mechanics, form, and function$500,000apps.irs.gov
Regents of the University of California at San DiegoLa Jolla, CATo support measuring lipid fluxes at membrane contact sites using new chemogenetic proximity sensorsHealth care$500,000apps.irs.gov
Research CorporationTucson, AZTo support the scialog: neurobiology in a changing environment (nce) program$500,000apps.irs.gov
Rockefeller Philanthropy Advisors IncNew York, NYTo support the shark conservation fundPhilanthropy, voluntarism and grantmaking foundations$500,000apps.irs.gov
The Board of Trustees of the University of IllinoisChicago, ILTo support real-time label-free dynamic imaging of extracellular vesicles in live tissues$500,000apps.irs.gov
Trustees of Princeton UniversityPrinceton, NJTo support intra- and inter-cellular communication driven by membrane contact sites within a virus microenvironment$500,000apps.irs.gov
Trustees of Princeton UniversityPrinceton, NJTo support optical tools for visualizing sex hormones as drivers of dynamic internal states$500,000apps.irs.gov
Tubman Center for Health & FreedomSeattle, WATo support fortifying futures for our youthHealth care$500,000apps.irs.gov
University of Alabama at BirminghamBirmingham, ALTo support blood-brain communication via extracellular vesicles underlying brain function and behavior$500,000apps.irs.gov
University of North Carolina at Chapel HillChapel Hill, NCTo support data-driven modeling of inter-organelle dynamic interactions throughout differentiation with multispectral and label free live imaging$500,000apps.irs.gov
Regents of the University of California at San DiegoLa Jolla, CATo support extracellular vesicles in maintenance of neuronal circuitryHealth care$499,802apps.irs.gov
Institute of Science and Technology AustriaKlosterneuburg, AUTo support chemically active membranes in the generation of cell shape$499,787apps.irs.gov
ShunpikeSeattle, WATo support downtown seattle: make it hereArts, culture and humanities$487,475apps.irs.gov
European Molecular Biology LaboratoryHeidelberg, GMTo support david and goliath at the cell surface: photo-crosslinkable lipid derivatives to control membrane mechanics$484,219apps.irs.gov
Leibniz-Institut Fur Alternsforschung Fritz-Lipmann-Institut EvJena, GMTo support pro-watch: an approach to monitor protein lifespan in aging worms$427,163apps.irs.gov
Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften EvMunich, GMTo support visualizing lipid nutrient turnover in human tissue models$424,690apps.irs.gov
Mote Marine LaboratorySarasota, FLTo support global finprint 2: tracking global finprint of sharks in marine protected areas$420,376apps.irs.gov
Boston College TrusteesChestnut Hill, MATo support controlled labeling of the nascent proteome to track protein lifespan in mammalian cellsEducation$416,660apps.irs.gov
European Molecular Biology LaboratoryHeidelberg, GMTo support a project titled, "ageing proteins: biology or chemistry? systematic characterization of young and old proteins in vivo"$414,426apps.irs.gov
Coeur D'alene TribePlummer, IDTo support climate-safe and salmon-safe: natural climate solutions in the inland northwest$405,734apps.irs.gov
Case Western Reserve UniversityCleveland, OHTo support expansion mass spectrometry: literally stretching metabolite sensing to new spatial limitsEducation$389,609apps.irs.gov
The University of Texas at AustinAustin, TXTo support spatial nutrientomics based on dnazyme and dna aptamer sensors$389,200apps.irs.gov
Children of the Setting Sun ProductionsBellingham, WATo support setting sun institute, tribal youth leadership, and community crisis responsePhilanthropy, voluntarism and grantmaking foundations$385,643apps.irs.gov
Helmholtz Zentrum Munchen Deutsches Forschungszentrum Fur Gesundheit Und UmNeuherberg, GMTo support subcellular compartmentalization of metabolism$385,400apps.irs.gov
Trout Unlimited IncArlington, VATo support implementing process-based stream restoration as a carbon sequestration strategy in the klamath basin, oregon and resurrection creek, alaskaAnimal-related$373,307apps.irs.gov
Gorilla Rehabilitation and Conservation Education Grace CenteNiwot, COTo support biodiversity monitoring in the tayna-usala conservation corridor$344,402apps.irs.gov
African Parks Foundation of AmericaNew York, NYTo support african parks edna ecological network assessments and analyses$316,810apps.irs.gov
Mote Marine LaboratorySarasota, FLTo support global finprint 2: tracking global finprint of sharks in marine protected areas$310,496apps.irs.gov
Seattle Childrens Theatre AssociationSeattle, WATo support youth access to theatre: the one&five program.Education$306,000apps.irs.gov
African Parks Foundation of AmericaNew York, NYTo support african parks edna ecological network assessments and analyses$300,000apps.irs.gov
SiffSeattle, WATo support siffsupports program expansion to siff cinema downtownYouth development$300,000apps.irs.gov
University of AlaskaFairbanks, AKTo support chignik fisheries in advancing resilience in alaskan communities$295,000apps.irs.gov
Bonneville Environmental FoundationPortland, ORTo support mainstreaming beaver based restoration as a natural climate solution across the pacific northwestEnvironment$276,538apps.irs.gov
The Board of Trustees of the University of IllinoisChicago, ILTo support precision live single cell nano-surgery for revealing proteome dynamics$273,882apps.irs.gov
Mara Elephant Project USA IncCarmel, INTo support developing ecoscope for global conservation data analysesPhilanthropy, voluntarism and grantmaking foundations$273,636apps.irs.gov
Seattle Art MuseumSeattle, WATo support free first thursday evenings at samArts, culture and humanities$259,910apps.irs.gov
The Barack Obama FoundationChicago, ILTo support the civic curriculum and awareness campaignArts, culture and humanities$250,000apps.irs.gov
Conservation Science Partners IncTruckee, CATo support the sensor optimization projectScience and technology$243,069apps.irs.gov
Nisqually Community ForestOlympia, WATo support the nisqually tribe and nisqually community forest busy wild creek forest-resilience projectEnvironment$239,793apps.irs.gov
University of British ColumbiaVancouver, CATo support restoring diverse forests with indigenous cultural fire$226,402apps.irs.gov
Ocean FoundationWashington, DCTo support gem-in-a-box: the global eutrophication monitoring programEnvironment$223,276apps.irs.gov
Florida International University Foundation IncMiami, FLTo support pacsp tools: strengthening conservation partnerships by advancing molecular and analytic tools for disrupting illegal wildlife tradeEducation$217,230apps.irs.gov
State of Hawaii DLNR - AsoHonolulu, HITo support leveraging the mosquito holobiont to suppress disease and advance avian conservation$214,920apps.irs.gov
Native ConservancyCordova, AKTo support measuring the climate impact of indigenous seaweed farming in alaskaEnvironment$198,033apps.irs.gov
Rocky Mountain Bird ObservatoryBrighton, COTo support pacsp - tools: restoring grassland bird populations using genomically-informed, full annual cycle, integrated population modelsAnimal-related$191,154apps.irs.gov
Rhizome Action Network IncSeattle, WATo support civic service fellowship: washington state pilot$189,200apps.irs.gov
Mote Marine LaboratorySarasota, FLTo support global finprint 2: tracking global finprint of sharks in marine protected areas$161,127apps.irs.gov
University of MontanaMissoula, MTTo support collaborating research: pacsp: looking back to move forward - integrating genomics into long-term diversity monitoring of grizzly bears$155,772apps.irs.gov
Theatre Off JacksonSeattle, WATo support a project titled reimagining toj: expanding and activating spaceArts, culture and humanities$150,000apps.irs.gov
Chicago Park DistrictChicago, ILTo support conservation potential of existing lawns: enhancing & replacing lawns with native plants for biodiversity & ecosystem function in urban plant communities of chicago$144,428apps.irs.gov
North Carolina Botanical Garden Foundation IncChapel Hill, NCTo support adapting disturbance management to future climate in a fire-prone ecosystem: does response of an at-risk species indicate biodiversity effects?Environment$142,479apps.irs.gov
Wild Salmon CenterPortland, ORTo support creating genomics tools to conserve salmon run timing diversity and resilience (run timing project)Animal-related$135,955apps.irs.gov
The Earthshot PrizeLondon, UKTo support the renewal for the earthshot prize founding partnership$114,022apps.irs.gov
University of MarylandCollege Park, MDTo support pacsp tools: strengthening conservation partnerships by advancing molecular and analytic tools for disrupting illegal wildlife trade$104,726apps.irs.gov
Family First Community Center FoundationRenton, WATo support the family first community center$100,000apps.irs.gov
ShunpikeSeattle, WATo support base camp studios downtownArts, culture and humanities$100,000apps.irs.gov
Home Range Wildlife ResearchWinthrop, WATo support planning for climate resilient forests that support canada lynxAnimal-related$94,769apps.irs.gov
Mote Marine LaboratorySarasota, FLTo support collaborative research: pacsp tools: epics: explainable ai driven individual photo-identification & tracking for cost-effective conservation study$91,533apps.irs.gov
Southeast Effective DevelopmentSeattle, WATo support building the future of camCommunity improvement and capacity building$75,000apps.irs.gov
American Bird ConservancyMarshall, VATo support using big data and a translational ecology approach to inform full annual cycle conservation of migratory birds in the appalachian mountainsAnimal-related$67,596apps.irs.gov
American Cancer Society IncKennesaw, GATo support the spirit of 12 program (2023 season)$35,062apps.irs.gov
Big Brothers Big Sisters of Puget SoundSeattle, WATo support the spirit of 12 program (2023 season)$35,062apps.irs.gov
Boys and Girls Clubs of King CountySeattle, WATo support the spirit of 12 program (2023 season)$35,062apps.irs.gov
Community PassagewaysSeattle, WATo support the spirit of 12 program (2023 season)Youth development$35,062apps.irs.gov
FarestartSeattle, WATo support the spirit of 12 program (2023 season)Employment$35,062apps.irs.gov
Nami SeattleSeattle, WATo support the spirit of 12 program (2023 season)Mental health and crisis intervention$35,062apps.irs.gov
Northwest Harvest E M MSeattle, WATo support the spirit of 12 program (2023 season)$35,062apps.irs.gov
Plymouth Housing GroupSeattle, WATo support spirit of 12 program (2023 season)Housing and shelter$35,062apps.irs.gov
Seattle Out & Proud FoundationSeattle, WATo support the spirit of 12 program (2023 season)Civil rights, social action and advocacy$35,062apps.irs.gov
Virginia Mason Medical CenterSeattle, WATo support the spirit of 12 program (2023 season)Health care$35,062apps.irs.gov
Young Women EmpoweredSeattle, WATo support the spirit of 12 program (2023 season)Youth development$35,062apps.irs.gov
Regents Univ of CaliforniaLos Angeles, CATo support unmasking and exploiting astrocyte biology$10,000apps.irs.gov
Trustees of the University of PennsylvaniaPhiladelphia, PATo support the reconstructing concussion projectEducation$10,000apps.irs.gov
University of Washington FoundationSeattle, WATo support scalable question answering and reasoning with external knowledgeEducation$10,000apps.irs.gov
Fob HopePuyallup, WATo support the spirit of 12 program (2023 season)Human services$2,922apps.irs.gov
Gold Star Families of WashingtonEdmonds, WATo support the spirit of 12 program (2023 season)Public and societal benefit$2,922apps.irs.gov
Growing VeteransLynden, WATo support the spirit of 12 program (2023 season)Human services$2,922apps.irs.gov
Heroes HomesteadClayton, WATo support the spirit of 12 program (2023 season)Public and societal benefit$2,922apps.irs.gov
Minority Veterans of AmericaSeattle, WATo support the spirit of 12 program (2023 season)$2,922apps.irs.gov
Nineline Veterans ServicesFife, WATo support the spirit of 12 program (2023 season)$2,922apps.irs.gov
Northwest Battle BuddiesBattle Ground, WATo support the spirit of 12 program (2023 season)Human services$2,922apps.irs.gov
Omf Community OutreachEdmonds, WATo support the spirit of 12 program (2023 season)Human services$2,922apps.irs.gov
Permission To Start Dreaming FoundationGig Harbor, WATo support the spirit of 12 program (2023 season)Philanthropy, voluntarism and grantmaking foundations$2,922apps.irs.gov
QmissionsAuburn, WATo support the spirit of 12 program (2023 season)$2,922apps.irs.gov
Salmon for SoldiersUnion, WATo support the spirit of 12 program (2023 season)$2,922apps.irs.gov
Veteran Rites IncTacoma, WATo support the spirit of 12 program (2023 season)Human services$2,922apps.irs.gov

Causes funded

From grants whose recipient has a cause.

States funded

Recipient stateGranted
Washington$22,533,848
New York$7,201,810
California$5,615,954
Massachusetts$3,666,660
Florida$2,636,525
District of Columbia$1,986,809
Illinois$1,168,310
New Jersey$1,000,000

Also on SpecStream

Updated November 13, 2025. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.