Data / Foundation grants / Tidemark 10 Foundation
Tidemark 10 Foundation: 16 grants to organizations, $1.4 million (tax year ended December 2025)
Tidemark 10 Foundation, a private foundation in Wilmington, DE, paid 16 grants to organizations totaling $1,396,970 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 1, 2026. The largest was $1,000,000 to Stanford University in Stanford, CA for for the center for ocean solutions.
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- EIN
- 854039046
- Based in
- Wilmington, DE
- Assets
- $11,430,589
- Grants paid
- $1,396,970
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 1, 2026, IRS object ID 202621219349100542. It reported $1,396,970 in grants paid; 16 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Stanford University | Stanford, CA | For the center for ocean solutions | $1,000,000 | apps.irs.gov | |
| Fidelity Investments Charitable Gift Fund | Boston, MA | General & unrestricted | $300,000 | apps.irs.gov | |
| Nature Conservancy | Arlington, VA | California Oceans Program | $20,000 | apps.irs.gov | |
| Carnegie Endowment for International Peace | Washington, DC | General & Unrestricted | International, foreign affairs and national security | $10,000 | apps.irs.gov |
| Kqed Inc | San Francisco, CA | General & Unrestricted | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Natural Resources Defense Council Inc | New York, NY | General & Unrestricted | Environment | $10,000 | apps.irs.gov |
| PBS Foundation | Arlington, VA | General & Unrestricted | Arts, culture and humanities | $10,000 | apps.irs.gov |
| Refed Inc | Chicago, IL | General & Unrestricted | Food, agriculture and nutrition | $10,000 | apps.irs.gov |
| Sustainable Surf | Manhattan BCH, CA | General & Unrestricted | Environment | $5,720 | apps.irs.gov |
| Los Angeles Fire Department Foundation | Los Angeles, CA | LA Wildfire Relief | Public safety, disaster preparedness and relief | $5,000 | apps.irs.gov |
| World Central Kitchen Incorporated | Washington, DC | LA Wildfire Relief | International, foreign affairs and national security | $5,000 | apps.irs.gov |
| American National Red Cross | Boone, IA | LA Wildfire Relief | $4,500 | apps.irs.gov | |
| Lifemoves | Santa Clara, CA | General & Unrestricted | $2,500 | apps.irs.gov | |
| La Cocina Inc | San Francisco, CA | General & Unrestricted | Community improvement and capacity building | $2,250 | apps.irs.gov |
| President and Fellows of Harvard College | Boston, MA | General & Unrestricted | $1,000 | apps.irs.gov | |
| Trustees of Princeton University | Princeton, NJ | General & Unrestricted | $1,000 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed May 9, 2025, IRS object ID 202501299349102315. It reported $8,674 in grants paid; 2 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Noras Gift Foundation Inc | Houston, TX | General & Unrestricted | Health care | $5,000 | apps.irs.gov |
| Sustainable Surf | Manhattan BCH, CA | General & Unrestricted | Environment | $3,674 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Arts, culture and humanities | $20,000 |
| Environment | $19,394 |
| International, foreign affairs and national security | $15,000 |
| Food, agriculture and nutrition | $10,000 |
| Public safety, disaster preparedness and relief | $5,000 |
| Health care | $5,000 |
| Community improvement and capacity building | $2,250 |
States funded
| Recipient state | Granted |
|---|---|
| California | $1,029,144 |
| Massachusetts | $301,000 |
| Virginia | $30,000 |
| District of Columbia | $15,000 |
| New York | $10,000 |
| Illinois | $10,000 |
| Texas | $5,000 |
| Iowa | $4,500 |
Also on SpecStream
- Who funds international, foreign affairs and national security in District of Columbia
- Who funds arts, culture and humanities in California
- Who funds environment in New York
- Who funds arts, culture and humanities in Virginia
- Who funds food, agriculture and nutrition in Illinois
- Who funds environment in California
Updated May 1, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.