Who funds Earth Island Institute Inc
318 institutional funders have given since 2022, 267 of them directly, through tax year 2024.
Its two largest direct donors
- Waverley Street Foundation$12.8M2022–2024
- Rockefeller Philanthropy Advisors Inc$2.1M2022–2024
A free account names its 5 largest direct donors, and the funders behind them.
Unlock potential prospectsFinances
Latest return: tax year 2024, Form 990.
| Tax year | Revenue | Expenses | Net assets |
|---|---|---|---|
| 2024 | $41.6M | $36.6M | $41.0M |
| 2023 | $30.9M | $34.8M | $36.0M |
| 2022 | $34.9M | $23.8M | $39.9M |
| 2021 | $23.7M | $22.6M | $28.8M |
| 2020 | $23.4M | $15.7M | $27.8M |
Contributions and grants received in 2024: $35.4M.
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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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