Donors and funders

350 Org

Boston, MA · EIN 26-1150699 · Environment · 501(c)(3)

Who funds 350 Org

242 institutional funders have given since 2022, 186 of them directly, through tax year 2024.

Its two largest direct donors

  • Freedom Together Foundation$2.5M2024
  • Rockefeller Philanthropy Advisors Inc$1.6M2023–2024

A free account names its 5 largest direct donors, and the funders behind them.

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Finances

Latest return: tax year 2024, Form 990.

Tax yearRevenueExpensesNet assets
2024$16.0M$22.4M$3.6M
2023$19.5M$22.8M$9.7M
2022$19.6M$21.7M$13.0M
2021$21.5M$19.1M$15.2M
2020$23.1M$19.3M$12.7M

Contributions and grants received in 2024: $16.2M.

Built from the organization’s public IRS Form 990 filings and the gifts other organizations report on theirs, processed by Aprize. Institutional donors only: individual donors are never shown. Data as of 1 November 2026.

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