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Funding search

Find who already funds work like yours.

Private foundations don’t post open calls, so nobody can search them. We read IRS filings instead — 9.6 million grants from 174,053 foundations and grantmaking charities, searchable by what the money was actually for.

12 funders with a record of paying for “planet”

Where the money went

1.0×
Holdfast Trust → Marin Community Foundation: $42M across 2 grants, latest 2024Chalten Trust → Marin Community Foundation: $5.1M across 2 grants, latest 2024Save Our Home Planet Action Inc → Marin Community Foundation: $4.7M across 1 grant, latest 2024Alfred P Sloan Foundation → Astrophysical Research Consortium: $4.1M across 2 grants, latest 2023Sojourner Trust → Marin Community Foundation: $2.9M across 2 grants, latest 2024The Lemelson Foundation → American Society for Engineering Education: $1.0M across 6 grants, latest 2024The Heising-Simons Foundation → California Association for Research in Astronomy: $848K across 3 grants, latest 2023Arcus Foundation → Canopy Planet Society: $400K across 4 grants, latest 2024National Geographic Society → Appalachian State University: $385K across 2 grants, latest 2023American Association of → Aquarium of Niagara: $190K across 1 grant, latest 2024Older Adults Technology Services → Fresno County Economic Opportunities: $120K across 3 grants, latest 2025Enterprise Holdings Foundation → Planet Help Provisions for Dependent Children: $18K across 1 grant, latest 2020Holdfast Trust → The Nature Conservancy: $8.8M across 2 grants, latest 2024Sojourner Trust → Holdfast Trust: $1.5M across 1 grant, latest 2023Save Our Home Planet Action Inc → Lcv Victory Fund: $1.2M across 1 grant, latest 2024Alfred P Sloan Foundation → National Public Radio Inc: $975K across 3 grants, latest 2024The Heising-Simons Foundation → The Regents of the University of California Los Angeles: $705K across 4 grants, latest 2024Chalten Trust → Rewild: $515K across 1 grant, latest 2023The Lemelson Foundation → Environmental Defense Fund Incorporated: $400K across 2 grants, latest 2024National Geographic Society → Friends of the Osa: $238K across 2 grants, latest 2024Arcus Foundation → Stop the Traffik: $200K across 2 grants, latest 2024American Association of → Odysea Aquarium LLC: $147K across 1 grant, latest 2024Older Adults Technology Services → Orlando Community and Youth Trust Inc: $110K across 2 grants, latest 2024Enterprise Holdings Foundation → Planet Help Provisions for Dependent: $14K across 1 grant, latest 2021Holdfast Trust → Save Our Home Planet Action Inc: $6.7M across 1 grant, latest 2024Alfred P Sloan Foundation → Carnegie Institution of Washington: $758K across 2 grants, latest 2023The Heising-Simons Foundation → Regents of the University of California at San Diego: $621K across 3 grants, latest 2023Save Our Home Planet Action Inc → Senate Majority Pac: $450K across 1 grant, latest 2024The Lemelson Foundation → New Venture Fund: $300K across 1 grant, latest 2024Sojourner Trust → Save Our Home Planet Action Inc: $300K across 1 grant, latest 2024Chalten Trust → Activate America: $200K across 1 grant, latest 2024National Geographic Society → University of Southern California: $175K across 1 grant, latest 2022Arcus Foundation → Fairshare Educational Foundation: $150K across 3 grants, latest 2023American Association of → Loveland Living Planet Aquarium: $84K across 1 grant, latest 2022Older Adults Technology Services → Cris Healthy Aging: $30K across 1 grant, latest 2025Enterprise Holdings Foundation → Compassion Planet: $9K across 4 grants, latest 2023Holdfast Trust → The Conservation Fund: $3.4M across 1 grant, latest 2023Holdfast Trust → Rewild: $3.3M across 1 grant, latest 2024Holdfast Trust → Watt Time: $3.0M across 1 grant, latest 2023Holdfast Trust → Smith River Alliance Inc: $830K across 1 grant, latest 2024Holdfast Trust → Northeast Wilderness Trust: $764K across 1 grant, latest 2023Holdfast Trust → Campaign for A Safe and Healthy California: $500K across 1 grant, latest 2024Save Our Home Planet Action Inc → House Majority Pac: $450K across 1 grant, latest 2024The Heising-Simons Foundation → Northwestern University: $430K across 2 grants, latest 2024Holdfast Trust → Tell the Dam Truth Inc: $400K across 1 grant, latest 2023The Heising-Simons Foundation → California Institute of Technology: $393K across 2 grants, latest 2024The Heising-Simons Foundation → Regents of the University of California at Berkeley: $339K across 2 grants, latest 2023Holdfast Trust → Alaska Wilderness League Action Inc: $300K across 1 grant, latest 2023Save Our Home Planet Action Inc → Pa Alliance Action: $275K across 1 grant, latest 2024The Lemelson Foundation → University of Maryland: $210K across 3 grants, latest 2023Holdfast Trust → Senate Majority Pac: $200K across 1 grant, latest 2024The Lemelson Foundation → Villanova University: $200K across 2 grants, latest 2024The Lemelson Foundation → Arizona Board of Regents On Behalf of Arizona State University: $175K across 3 grants, latest 2023Holdfast Trust → Mobile Baykeeper Inc: $150K across 1 grant, latest 2023The Heising-Simons Foundation → Regents of the University of California Santa Cruz: $150K across 1 grant, latest 2022The Lemelson Foundation → The University of Texas at Arlington: $132K across 2 grants, latest 2024The Heising-Simons Foundation → The Governing Council of the University of Toronto: $125K across 1 grant, latest 2023Holdfast Trust → Tides Advocacy: $100K across 1 grant, latest 2024The Lemelson Foundation → University of Maryland Eastern Shore: $100K across 2 grants, latest 2024The Heising-Simons Foundation → Universidad De Concepcion: $96K across 1 grant, latest 2024The Lemelson Foundation → Kennesaw State Unversity Research and Service Foundation Inc: $95K across 1 grant, latest 2024The Lemelson Foundation → Regents of the University of Michigan: $81K across 1 grant, latest 2024The Lemelson Foundation → The University of Texas at Austin: $80K across 2 grants, latest 2023National Geographic Society → Arizona State University: $77K across 2 grants, latest 2024Holdfast Trust: $70M on this topic. Open the funder.Holdfast Trust$70MSave Our Home Planet Action Inc: $7.1M on this topic. Open the funder.Save Our Home Planet Action I…$7.1MAlfred P Sloan Foundation: $5.9M on this topic. Open the funder.Alfred P Sloan Foundation$5.9MChalten Trust: $5.8M on this topic. Open the funder.Chalten Trust$5.8MSojourner Trust: $4.7M on this topic. Open the funder.Sojourner Trust$4.7MThe Heising-Simons Foundation: $3.7M on this topic. Open the funder.The Heising-Simons Foundation$3.7MThe Lemelson Foundation: $2.8M on this topic. Open the funder.The Lemelson Foundation$2.8MNational Geographic Society: $875K on this topic. Open the funder.National Geographic Society$875KArcus Foundation: $750K on this topic. Open the funder.Arcus Foundation$750KAmerican Association of: $421K on this topic. Open the funder.American Association of$421KOlder Adults Technology Services: $260K on this topic. Open the funder.Older Adults Technology Servi…$260KEnterprise Holdings Foundation: $41K on this topic. Open the funder.Enterprise Holdings Foundation$41KMarin Community Foundation: received $55M on this topicMarin Community Foundation$55MThe Nature Conservancy: received $8.8M on this topicThe Nature Conservancy$8.8MSave Our Home Planet Action Inc: received $7.0M on this topicSave Our Home Planet Action Inc$7.0MAstrophysical Research Consortium: received $4.1M on this topicAstrophysical Research Consorti…$4.1MRewild: received $3.8M on this topicRewild$3.8MThe Conservation Fund: received $3.4M on this topicThe Conservation Fund$3.4MWatt Time: received $3.0M on this topicWatt Time$3.0MHoldfast Trust: received $1.5M on this topicHoldfast Trust$1.5MLcv Victory Fund: received $1.2M on this topicLcv Victory Fund$1.2MAmerican Society for Engineering Education: received $1.0M on this topicAmerican Society for Engineerin…$1.0MNational Public Radio Inc: received $975K on this topicNational Public Radio Inc$975KCalifornia Association for Research in Astronomy: received $848K on this topicCalifornia Association for Rese…$848KSmith River Alliance Inc: received $830K on this topicSmith River Alliance Inc$830KNortheast Wilderness Trust: received $764K on this topicNortheast Wilderness Trust$764KCarnegie Institution of Washington: received $758K on this topicCarnegie Institution of Washing…$758KThe Regents of the University of California Los Angeles: received $705K on this topicThe Regents of the University o…$705KSenate Majority Pac: received $650K on this topicSenate Majority Pac$650KRegents of the University of California at San Diego: received $621K on this topicRegents of the University of Ca…$621KCampaign for A Safe and Healthy California: received $500K on this topicCampaign for A Safe and Healthy…$500KHouse Majority Pac: received $450K on this topicHouse Majority Pac$450KNorthwestern University: received $430K on this topicNorthwestern University$430KCanopy Planet Society: received $400K on this topicCanopy Planet Society$400KEnvironmental Defense Fund Incorporated: received $400K on this topicEnvironmental Defense Fund Inco…$400KTell the Dam Truth Inc: received $400K on this topicTell the Dam Truth Inc$400KCalifornia Institute of Technology: received $393K on this topicCalifornia Institute of Technol…$393KAppalachian State University: received $385K on this topicAppalachian State University$385KRegents of the University of California at Berkeley: received $339K on this topicRegents of the University of Ca…$339KNew Venture Fund: received $300K on this topicNew Venture Fund$300KAlaska Wilderness League Action Inc: received $300K on this topicAlaska Wilderness League Action…$300KPa Alliance Action: received $275K on this topicPa Alliance Action$275KFriends of the Osa: received $238K on this topicFriends of the Osa$238KUniversity of Maryland: received $210K on this topicUniversity of Maryland$210KStop the Traffik: received $200K on this topicStop the Traffik$200KActivate America: received $200K on this topicActivate America$200KVillanova University: received $200K on this topicVillanova University$200KAquarium of Niagara: received $190K on this topicAquarium of Niagara$190KUniversity of Southern California: received $175K on this topicUniversity of Southern Californ…$175KArizona Board of Regents On Behalf of Arizona State University: received $175K on this topicArizona Board of Regents On Beh…$175KFairshare Educational Foundation: received $150K on this topicFairshare Educational Foundation$150KMobile Baykeeper Inc: received $150K on this topicMobile Baykeeper Inc$150KRegents of the University of California Santa Cruz: received $150K on this topicRegents of the University of Ca…$150KOdysea Aquarium LLC: received $147K on this topicOdysea Aquarium LLC$147KThe University of Texas at Arlington: received $132K on this topicThe University of Texas at Arli…$132KThe Governing Council of the University of Toronto: received $125K on this topicThe Governing Council of the Un…$125KFresno County Economic Opportunities: received $120K on this topicFresno County Economic Opportun…$120KOrlando Community and Youth Trust Inc: received $110K on this topicOrlando Community and Youth Tru…$110KTides Advocacy: received $100K on this topicTides Advocacy$100KUniversity of Maryland Eastern Shore: received $100K on this topicUniversity of Maryland Eastern…$100KUniversidad De Concepcion: received $96K on this topicUniversidad De Concepcion$96KKennesaw State Unversity Research and Service Foundation Inc: received $95K on this topicKennesaw State Unversity Resear…$95KLoveland Living Planet Aquarium: received $84K on this topicLoveland Living Planet Aquarium$84KRegents of the University of Michigan: received $81K on this topicRegents of the University of Mi…$81KThe University of Texas at Austin: received $80K on this topicThe University of Texas at Aust…$80KArizona State University: received $77K on this topicArizona State University$77KCris Healthy Aging: received $30K on this topicCris Healthy Aging$30KPlanet Help Provisions for Dependent Children: received $18K on this topicPlanet Help Provisions for Depe…$18KPlanet Help Provisions for Dependent: received $14K on this topicPlanet Help Provisions for Depe…$14KCompassion Planet: received $9K on this topicCompassion Planet$9K
12 funders, 58 recipients, grants matching “planet” only. Ribbon width is proportional to the total given; each funder has its own colour (smaller funders in gray). Hover a name to isolate its flows, click a funder to open it. Drag to move around; zoom with the buttons, a double-click, or the wheel after clicking the map.

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Source: IRS Form 990-PF Part XV and Form 990 Schedule I, tax years 2019–2025. These are grants already paid, a record of what an organization funds rather than an open call. Private foundations rarely accept unsolicited applications and the route in is usually a program officer; grantmaking charities and associations more often run real application cycles, so check their website. How this data is built, and its limits →