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 2022–2024. 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
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
Who else funds this kind of work
Same state
- Bill & Melinda Gates Foundation13,441 grants · $18.24B
- Pivotal Philanthropies Foundation202 grants · $534.9M
- Seattle Foundation14,012 grants · $457.3M
Similar grant size
- The Ford Foundation10,731 grants · $2.35B
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: 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.

