Sierra Club Foundation
Funding Overview
From IRS Form 990 filings · 2024–2026
Total received
$51.4M
Foundation funders
186
Grants recorded
200
Years covered
2024–2026
Who funds Sierra Club Foundation?
Sierra Club Foundation is funded by 186 grantmakers, led by Climate Imperative Foundation ($23.1M), Combined Jewish Philanthropies of Greater Boston Inc ($8.0M), Skyline Foundation ($2.5M). In total, IRS Form 990 filings record $51.4M in grants to Sierra Club Foundation between 2024–2026.
Show all 186 funders
Funding over time
Grant dollars and counts received per year
From 2024 to 2026, annual grant giving ranged from $27K (2026) to $42.3M (2024). In 2026 it made 4 grants totaling $27K.
What grants has Sierra Club Foundation received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2026 | T Rowe Price Program for Charitable Giving Inc | MULTIPLE | $24,578 |
| 2026 | Harold W Sweatt Foundation | GENERAL | $1,000 |
| 2026 | Zivin Family Foundation | GENERAL SUPPORT | $1,000 |
| 2026 | Strong Foundation of New York | GENERAL SUPPORT | $500 |
| 2025 | Combined Jewish Philanthropies of Greater Boston Inc | DAF - Environment | $4,006,580 |
| 2025 | The Susan and Ford Schumann Foundation | GENERAL FUNDS | $816,987 |
| 2025 | Sandler Foundation | CHARITABLE PROJECTS | $500,000 |
| 2025 | National Philanthropic Trust | EDUCATION | $495,461 |
| 2025 | Gwendolyn J McCullen Char Trust Uw | UNRESTRICTED GENERAL | $359,495 |
| 2025 | The Chicago Community Trust | General support for programs, operations and other charitable purposes | $258,800 |
| 2025 | Martin Foundation | PROVIDE SUPPORT TO SIERRA CLUB FOUNDATION'S MILITARY OUTDOORS PROGRAM | $250,000 |
| 2025 | Sustainable Markets Foundation | Clean Energy And Just Transition | $125,000 |
| 2025 | The McCabe Walls Family Foundation | CONSERVATION | $100,000 |
| 2025 | Equation Campaign and Global Climate Legal Defense | DIRTY FUELS & REGIONAL WORK | $100,000 |
| 2025 | National Wildlife Federation | CONSERVATION ASSISTANCE | $95,000 |
| 2025 | Pasadena Community Foundation | Project Support | $82,500 |
| 2025 | Dellma Jewell Mitchell Trust | GENERAL SUPPORT | $74,195 |
| 2025 | The Tresemer Foundation Inc | GENERAL OPERATING SUPPORT FOR SIERRA CLUB FOUNDATION | $62,000 |
| 2025 | Charities Aid Foundation America | CHARITABLE DONATION | $61,985 |
| 2025 | Fairfield County's Community Foundation Inc | FOR GENERAL SUPPORT | $60,000 |
| 2025 | Jewish Communal Fund | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | $58,042 |
| 2025 | Jewish Communal Fund | IN FURTHERANCE OF GRANTEE'S TAX-EXEMPT PURPOSE | $58,042 |
| 2025 | Myrtle Huplits & Woodman Huplits Foundation in Care of Todd E Peskin | GENERAL PURPOSE | $55,000 |
| 2025 | The Martin Fabert Foundation | Environmental Law Program | $50,000 |
| 2025 | John & Janice Howie Foundation | CHARITABLE | $50,000 |
| 2025 | Lishner Rose P Foundation | SUPPORT FOR DAILY OPERATON | $46,095 |
| 2025 | Environmental Defense Fund Incorporated | METHANE | $45,000 |
| 2025 | Earthshare | GENERAL OPERATIONS | $43,015 |
| 2025 | The Minneapolis Foundation | DONOR ADVISED, ENVIRONMENT | $36,400 |
| 2025 | Faith in Place | CLEAN HEAT | $36,000 |
Showing 30 most recent of 200 recorded grants.
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Frequently Asked Questions
Who funds Sierra Club Foundation?
Sierra Club Foundation is funded by 186 grantmakers, led by Climate Imperative Foundation ($23.1M), Combined Jewish Philanthropies of Greater Boston Inc ($8.0M), Skyline Foundation ($2.5M). In total, IRS Form 990 filings record $51.4M in grants to Sierra Club Foundation between 2024–2026.
Who is Sierra Club Foundation's largest funder?
Climate Imperative Foundation is the largest recorded funder of Sierra Club Foundation, with $23.1M across 1 grant (2024).
How much grant funding has Sierra Club Foundation received?
IRS 990 filings record $51.4M in grants to Sierra Club Foundation across 200 grants from 186 funders between 2024–2026. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.
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