Foundation directory
Tidemark 10 Foundation Grants
Private foundation · EIN 85-4039046 · IRS 990-PF filings through tax year 2025
- Total grants paid
- $1.4M
- Grants reported
- 18
- Median grant
- $5.4K
- Future commitments
- None reported
Giving by tax year
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 16 | $1.4M |
| 2024 | 2 | $8.7K |
Where Tidemark 10 Foundation gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Largest reported grants
The biggest individual grants on file, as reported by the foundation to the IRS.
| Recipient | Location | Purpose | Tax year | Amount |
|---|---|---|---|---|
| STANFORD UNIVERSITY | STANFORD, CA | FOR THE CENTER FOR OCEAN SOLUTIONS | 2025 | $1M |
| FIDELITY INVESTMENTS CHARITABLE GIFT FUND | BOSTON, MA | GENERAL & UNRESTRICTED | 2025 | $300K |
| NATURE CONSERVANCY | ARLINGTON, VA | California Oceans Program | 2025 | $20K |
| REFED INC | CHICAGO, IL | General & Unrestricted | 2025 | $10K |
| CARNEGIE ENDOWMENT FOR INTERNATIONAL PEACE | WASHINGTON, DC | General & Unrestricted | 2025 | $10K |
| KQED INC | SAN FRANCISCO, CA | General & Unrestricted | 2025 | $10K |
| NATURAL RESOURCES DEFENSE COUNCIL INC | NEW YORK, NY | General & Unrestricted | 2025 | $10K |
| PBS FOUNDATION | ARLINGTON, VA | General & Unrestricted | 2025 | $10K |
| SUSTAINABLE SURF | MANHATTAN BCH, CA | General & Unrestricted | 2025 | $5.7K |
| WORLD CENTRAL KITCHEN INCORPORATED | WASHINGTON, DC | LA Wildfire Relief | 2025 | $5K |
| NORAS GIFT FOUNDATION INC | HOUSTON, TX | General & Unrestricted | 2024 | $5K |
| LOS ANGELES FIRE DEPARTMENT FOUNDATION | LOS ANGELES, CA | LA Wildfire Relief | 2025 | $5K |
| AMERICAN NATIONAL RED CROSS | BOONE, IA | LA Wildfire Relief | 2025 | $4.5K |
| SUSTAINABLE SURF | MANHATTAN BCH, CA | General & Unrestricted | 2024 | $3.7K |
| LIFEMOVES | SANTA CLARA, CA | General & Unrestricted | 2025 | $2.5K |
| LA COCINA INC | SAN FRANCISCO, CA | General & Unrestricted | 2025 | $2.3K |
| PRESIDENT AND FELLOWS OF HARVARD COLLEGE | BOSTON, MA | General & Unrestricted | 2025 | $1K |
| TRUSTEES OF PRINCETON UNIVERSITY | PRINCETON, NJ | General & Unrestricted | 2025 | $1K |
How to apply
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
About this data
Figures are aggregated from Tidemark 10 Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF e-file archive.