Funding search · EIN 823905017 · Seattle, WA

The Holocene Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

82
grants reported
$67.6M
total given
2022–2024
filing years
$100,000
median grant

Based on grants this organization reported to the IRS for tax years 20222024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

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Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • Chabot Family Daf - Vanguard2 grants · $56.6M
  • Conservation Lands Foundation3 grants · $1.2M
  • Earthjustice3 grants · $1.2M
  • The Nature Conservancy3 grants · $1.1M
  • The Conservation Alliance3 grants · $900,000
  • Climate Solutions3 grants · $900,000
  • Trust for Public Land3 grants · $750,000
  • Defenders of Wildlife3 grants · $600,000
  • The Mountaineers2 grants · $500,000
  • Nrdc3 grants · $450,000

Giving over time

$3.8M
2022
$3.6M
2023
$60.2M
2024

Grant history

All 82 reported grants, largest first.

  • $56.4M

    Chabot Family Daf - Vanguard · Warwick, RI · 2024

    General operating funds

  • $450,000

    The Nature Conservancy · Seattle, WA · 2022

    General operating funds

  • $400,000

    Conservation Lands Foundation · Durango, CO · 2024

    General operating funds

  • $400,000

    Earthjustice · Seattle, WA · 2024

    General operating funds

  • $400,000

    Conservation Lands Foundation · Durango, CO · 2023

    General operating funds

  • $400,000

    Earthjustice · Seattle, WA · 2023

    General operating funds

  • $400,000

    Conservation Lands Foundation · Durango, CO · 2022

    General operating funds

  • $400,000

    Earthjustice · Seattle, WA · 2022

    General operating funds

  • $350,000

    The Nature Conservancy · Seattle, WA · 2024

    General operating funds

  • $350,000

    The Nature Conservancy · Seattle, WA · 2023

    General operating funds

  • $350,000

    Trust for Public Land · Seattle, WA · 2022

    General operating funds

  • $300,000

    Climate Solutions · Seattle, WA · 2024

    General operating funds

  • $300,000

    The Conservation Alliance · Bend, OR · 2024

    General operating funds

  • $300,000

    Climate Solutions · Seattle, WA · 2023

    General operating funds

  • $300,000

    The Conservation Alliance · Bend, OR · 2023

    General operating funds

  • $300,000

    Climate Solutions · Seattle, WA · 2022

    General operating funds

  • $300,000

    The Conservation Alliance · Bend, OR · 2022

    General operating funds

  • $250,000

    Conservation Northwest · Seattle, WA · 2024

    General operating funds

  • $250,000

    The Mountaineers · Seattle, WA · 2024

    General operating funds

  • $250,000

    The Mountaineers · Seattle, WA · 2023

    General operating funds

  • $200,000

    Defenders of Wildlife · Washington, DC · 2024

    General operating funds

  • $200,000

    Trust for Public Land · Seattle, WA · 2024

    General operating funds

  • $200,000

    Defenders of Wildlife · Washington, DC · 2023

    General operating funds

  • $200,000

    Trust for Public Land · Seattle, WA · 2023

    General operating funds

  • $200,000

    Defenders of Wildlife · Washington, DC · 2022

    General operating funds

  • $185,000

    Chabot Family Daf - Vanguard · Warwick, RI · 2022

    General operating funds

  • $150,000

    Environmental Defense Fund · Washington, DC · 2024

    General operating funds

  • $150,000

    Nrdc · New York, NY · 2024

    General operating funds

  • $150,000

    Outdoor Alliance · Washington, DC · 2024

    General operating funds

  • $150,000

    Environmental Defense Fund · Washington, DC · 2023

    General operating funds

  • $150,000

    Nrdc · New York, NY · 2023

    General operating funds

  • $150,000

    Outdoor Alliance · Washington, DC · 2023

    General operating funds

  • $150,000

    Environmental Defense Fund · Washington, DC · 2022

    General operating funds

  • $150,000

    Nrdc · New York, NY · 2022

    General operating funds

  • $150,000

    Outdoor Alliance · Washington, DC · 2022

    General operating funds

  • $100,000

    Daughters for Earth · New York, NY · 2024

    General operating funds

  • $100,000

    Friends of Waterfront Seattle · Seattle, WA · 2024

    General operating funds

  • $100,000

    Salmon-Safe · Portland, OR · 2024

    General operating funds

  • $100,000

    Friends of Waterfront Seattle · Seattle, WA · 2023

    General operating funds

  • $100,000

    One Earth Philanthropy · Culver City, CA · 2023

    General operating funds

  • $100,000

    Salmon-Safe · Portland, OR · 2023

    General operating funds

  • $100,000

    Friends of Waterfront Seattle · Seattle, WA · 2022

    General operating funds

  • $100,000

    One Earth Philanthropy · Culver City, CA · 2022

    General operating funds

  • $100,000

    Salmon-Safe · Portland, OR · 2022

    General operating funds

  • $70,000

    Live Ocean · San Diego, CA · 2022

    General operating funds

  • $50,000

    The Mountains To Sound Greenway Trust · Seattle, WA · 2024

    General operating funds

  • $50,000

    The Wilderness Society · Seattle, WA · 2024

    General operating funds

  • $50,000

    Washington Environmental Council · Seattle, WA · 2024

    General operating funds

  • $50,000

    Washington Water Trust · Seattle, WA · 2024

    General operating funds

  • $50,000

    Conservation Northwest · Seattle, WA · 2023

    General operating funds

  • $50,000

    The Mountains To Sound Greenway Trust · Seattle, WA · 2023

    General operating funds

  • $50,000

    The Wilderness Society · Seattle, WA · 2023

    General operating funds

  • $50,000

    Washington Environmental Council · Seattle, WA · 2023

    General operating funds

  • $50,000

    Washington Water Trust · Seattle, WA · 2023

    General operating funds

  • $50,000

    The Mountains To Sound Greenway Trust · Seattle, WA · 2022

    General operating funds

  • $50,000

    The Wilderness Society · Seattle, WA · 2022

    General operating funds

  • $50,000

    Washington Environmental Council · Seattle, WA · 2022

    General operating funds

  • $50,000

    Washington Water Trust · Seattle, WA · 2022

    General operating funds

  • $25,000

    Earthgen · Seattle, WA · 2024

    General operating funds

  • $25,000

    Islandwood · Bainbridge Island, WA · 2024

    General operating funds

  • $25,000

    League of Conservation Voters Education Fund · Washington, DC · 2024

    General operating funds

  • $25,000

    Rachel'S Network · Washington, DC · 2024

    General operating funds

  • $25,000

    Spark Northwest · Seattle, WA · 2024

    General operating funds

  • $25,000

    Washington Trails Association · Seattle, WA · 2024

    General operating funds

  • $25,000

    Washington Wildlife & Recreation Coalition · Seattle, WA · 2024

    General operating funds

  • $25,000

    Earthgen · Seattle, WA · 2023

    General operating funds

  • $25,000

    Islandwood · Bainbridge Island, WA · 2023

    General operating funds

  • $25,000

    League of Conservation Voters Education Fund · Washington, DC · 2023

    General operating funds

  • $25,000

    Rachel'S Network · Washington, DC · 2023

    General operating funds

  • $25,000

    Spark Northwest · Seattle, WA · 2023

    General operating funds

  • $25,000

    Washington Trails Association · Seattle, WA · 2023

    General operating funds

  • $25,000

    Washington Wildlife & Recreation Coalition · Seattle, WA · 2023

    General operating funds

  • $25,000

    Earthgen · Seattle, WA · 2022

    General operating funds

  • $25,000

    Islandwood · Bainbridge Island, WA · 2022

    General operating funds

  • $25,000

    League of Conservation Voters Education Fund · Washington, DC · 2022

    General operating funds

  • $25,000

    Rachel'S Network · Washington, DC · 2022

    General operating funds

  • $25,000

    Spark Northwest · Seattle, WA · 2022

    General operating funds

  • $25,000

    Washington Trails Association · Seattle, WA · 2022

    General operating funds

  • $25,000

    Washington Wildlife & Recreation Coalition · Seattle, WA · 2022

    General operating funds

  • $6,000

    Social Venture Partners Seattle · Seattle, WA · 2024

    General operating funds

  • $6,000

    Social Venture Partners Seattle · Seattle, WA · 2023

    General operating funds

  • $6,000

    Social Venture Partners Seattle · Seattle, WA · 2022

    General operating funds

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.