Private foundation · EIN 33-0683174
The Margot Marsh Biodiversity Foundation
New York, NY
The Margot Marsh Biodiversity Foundation is a private foundation based in New York, NY. On its Form 990-PF for tax year 2025, it reported $449K in grants and contributions paid across 17 grants, with $2.85M in assets (fair market value). It reports that it gives only to preselected charitable organizations and does not accept unsolicited requests for funds. Its largest grants went to Rewild, Friends of Bonobos and Gorilla Rehabilitation and Conservation Education.
How to request funding
Gives only to preselected organizations. On its Form 990-PF, this foundation checked the box saying it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Relationships and invitations usually come first.
As reported on the foundation's Form 990-PF for tax year 2025. Requirements change; confirm with the foundation before applying.
Largest grants, tax year 2025
Historical data · not a prediction| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Rewild | Austin, TX | 2025 Primate Action Fund | $150,000 |
| Friends of Bonobos | Durham, NC | Third Reintroduction of Bonobos, Pan Paniscus, at Ekolo Ya Bonobo Community Reserve, Drc | $25,000 |
| Gorilla Rehabilitation and Conservation Education | Niwot, CO | Usala Conservation Corridor to Protect Grauer's Gorillas (gorilla Beringei Graueri), North Kivu, Dr Congo | $25,000 |
| Rewild | Austin, TX | List of the World's 25 Most Endangered Primates a Meeting at the Xxx Congress of the International Primatological Society, Antananarivo Madagascar | $25,000 |
| Rewild | Austin, TX | The Use of Drones to Improve Forest Surveillance, Monitoring and the Conservation of Cercopithecus Roloway and Colobus Vellerosus; Two Critically Endangered Pri | $25,000 |
| Cloud Forest Fund | Manhasset Hill, NY | Saving the Critical Habitat of the World's Rarest Monkey: the Tonkin Snub-Nosed Monkey Habitat in Khau Ca Forest, Vietnam | $25,000 |
| Fauna & Flora International | Washington, DC | Community-Based Conservation of the Myanmar Snub-Nosed Monkey (rhinopithecus Strykeri), Myanmar Phase IV | $20,000 |
| Lincoln Park Zoo | Chicago, IL | Conservation of Western Lowland Gorillas (gorilla Gorilla Gorilla) and Central Chimpanzees (pan Troglodytes Troglodytes) in the Congo Basin | $20,000 |
| Wild Earth Allies | Chevy Chase, MD | Conservation of the Blue Monkey (cercopithecus Mitis) on Idjwi Island, Democratic Republic of the Congo | $20,000 |
| Bonobo Conservation Initiative | Washington, DC | Protecting Endangered Bonobos (pan Paniscus) and a Critical Biodiversity Corridor in the Congo Rainforest (lilungu, Tshuapa Province, Democratic Republic of Con | $20,000 |
| Gorilla Rehabilitation and Conservation Education | Niwot, CO | Usala Conservation Corridor to Protect Grauer's Gorillas (gorilla Beringei Graueri), North Kivu, Drc | $20,000 |
| Ohio State University | Broxbourne | Community-Led Conservation of the Critically Endangered Roloway Monkey and Endangered White-Naped Mangabey Through Sustainable Nature-Based Solutions in the Wes | $15,700 |
| University of Illinois Urbana Champaign | Urbana, IL | Monitoring Ontogenetic Changes in Wild Chimpanzee (pan Troglodytes) Gut Microbiota at Kibale National Park, Uganda | $15,000 |
| Rewild | Austin, TX | Support for the Publication of the Iucn Ssc Primate Specialist Group Journal Primate Conservation: Printing of Issue 39 (2025) | $12,000 |
| New Nature Foundation | Philadelphia, PA | Safeguarding Habitat for Endangered Ashy Red Colobus and Other Species in Western Uganda Through Expansion of Biomass Briquette Production | $11,200 |
| The Kasiisi Project | Grand Ledge, MI | Expanding School and Community Handwashing Campaigns to Reduce Human-to-Chimpanzee (pan Troglodytes Schweinfurthii) Respiratory Infections in Kibale National Pa | $10,000 |
The 16 largest of 17 grants listed on the return. 1 grants to individuals ($10K) are counted but not named. Names and purposes as reported to the IRS.
Where its grants went
Quick answers
Does The Margot Marsh Biodiversity Foundation accept grant applications?
According to its Form 990-PF for tax year 2025, The Margot Marsh Biodiversity Foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
How much does The Margot Marsh Biodiversity Foundation give each year?
For tax year 2025, it reported $448,900 in grants and contributions paid (17 grants). Giving can change from year to year.
What organizations has The Margot Marsh Biodiversity Foundation funded?
Its largest grants in tax year 2025 went to Rewild (TX), $150K, Friends of Bonobos (NC), $25K, Gorilla Rehabilitation and Conservation Education (CO), $25K, Rewild (TX), $25K and Rewild (TX), $25K.