Who funds Sierra Club Foundation?

Sierra Club Foundation has received $349 million across 2206 grants from 765 funders over IRS Form 990 filings (2018–2025). Its largest funder is Climate Imperative Foundation.

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Funding sources

What is Sierra Club Foundation's largest source of grant funding?

Climate Imperative Foundation has given $67.8M across 5 grants to Sierra Club Foundation.

Who is Sierra Club Foundation's second-largest funder?

Fidelity Investments Charitable Gift Fund has given $52.0M across 7 grants to Sierra Club Foundation.

Who else funds Sierra Club Foundation?

Bloomberg Family Foundation INC has given $44.6M across 3 grants to Sierra Club Foundation.

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All figures are sourced from grants itemized on nonprofit 990 filings, representing reported charitable giving. These are public records filed with the IRS.