The foundation concentrates its giving on a small set of high-impact organizations, with a clear emphasis on climate and environmental advocacy complemented by selective support for major cultural institutions. Grants are sizable and often repeated to the same beneficiaries, indicating strategic, relationship-driven philanthropy aimed at policy and campaign outcomes rather than broad-based community-level funding. The portfolio also shows interest in Indigenous land restoration and wildlife protection tied to environmental campaigns.
Fondation Dune Inc has built a grantmaking profile around repeated, sizable support for a small set of organizations, with Only One receiving $200,000 in each of 2023, 2024, and 2025 for general operating support. That repeat pattern signals a funder that stays with selected grantees across years rather than rotating widely. The portfolio also points to a strong environmental and advocacy orientation: the foundation backed Clean Air Task Force Inc with $100,000 in 2024 and 2025, and previously gave the same organization $75,000 for a California clean energy infrastructure deployment project. Its recent grants also include support for The National Wildlife Federation, Defenders of Wildlife, and Digdeep Right to Water Project, alongside cultural funding through American Friends Muses Dorsay Et De Lorangerie. The mix suggests a foundation that uses general operating support and targeted project grants to reinforce policy, conservation, and campaign work.
A core theme is climate and clean-air advocacy. Fondation Dune Inc gave Clean Air Task Force Inc $75,000 in 2023 for a California clean energy infrastructure deployment project, then followed with $100,000 in both 2024 and 2025 for general operating support. Another environmental strand is wildlife and land-related advocacy: The National Wildlife Federation received $100,000 in 2023 for campaigns to shut down Pipeline 5 and restore buffalo to tribal lands, plus $75,000 in 2024 and 2025 for general operating support. The foundation also supported Defenders of Wildlife with $75,000 in 2023 for fostering coexistence with key species in the Rockies and Plains, and again in 2024 and 2025 for general operating support. Cultural grantmaking appears as well through American Friends Muses Dorsay Et De Lorangerie, funded for general operating support in 2024 and 2025.
Grant sizes cluster around the mid-five-figure to low-six-figure range, with p25 at $50,000, a median of $75,000, and p75 at $100,000. The foundation also made a $200,000 grant in each of 2023, 2024, and 2025, showing that some relationships are sustained over multiple years. General operating support is the dominant support type in the recent grants list, often paired with occasional project-specific awards. The pattern is relationship-driven and selective rather than broad-based, with repeated support to the same organizations appearing across years.
$1.1M
$3.5M
$3.9M
$1.1M
Most grants fall between $50K and $100K, with a median of $75K.
25th Percentile
$50K
Median
$75K
75th Percentile
$100K
About 27% of grants go to recipients in DC.
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Concentrated, high-dollar giving to a small number of repeat grantees; multi-grant relationships and targeted campaign support rather than many small, one-off grants.
Notable grantees: ONLY ONE, Clean Air Task Force, Inc., American Friends Musée d'Orsay et de l'Orangerie, The National Wildlife Federation
Giving is national, and all recent grants in the sample went to U.S. recipients. Virginia appears most often among recipient locations, reflecting a strong concentration of grants to organizations such as Reston-based and Washington-area groups. New York City and Washington, DC also recur frequently, with additional grants landing in Boston, Los Angeles, and New Orleans. The recipient map shows a U.S.-only pattern, with 30 grants in the country distribution and none outside the United States.
The foundation supports climate and clean-air advocacy groups, wildlife and land-restoration organizations, some reproductive-health and policy organizations, and select cultural institutions. Recent grants include general operating support for Clean Air Task Force Inc, The National Wildlife Federation, Defenders of Wildlife, and American Friends Muses Dorsay Et De Lorangerie.
General operating support is the main pattern in the recent grants list. Many awards to organizations such as Clean Air Task Force Inc, The National Wildlife Federation, Defenders of Wildlife, and several others were for general operating support, with a smaller number of project-specific grants such as the California clean energy infrastructure deployment project.
The grant-size distribution centers in the mid-five-figure range: p25 is $50,000, the median is $75,000, and p75 is $100,000. The recent grants list also includes repeated $200,000 awards to a single grantee over three years.
Its grantmaking is national, but Virginia is the top state by grant count among recipients. The recent grants list also shows recurring recipients in New York, Washington, DC, California, and Louisiana.
Yes. Several organizations appear across multiple years, including Only One, Clean Air Task Force Inc, The National Wildlife Federation, Defenders of Wildlife, National Partnership for Women & Families, Center for Reproductive Rights, Digdeep Right to Water Project, Third Way Institute, and Louisiana Bucket Brigade.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| ONLY ONE | NEW YORK, NY | $200,000 | 2025 | GENERAL OPERATING SUPPORT |
| CLEAN AIR TASK FORCE INC | BOSTON, MA | $100,000 | 2025 | GENERAL OPERATING SUPPORT |
| AMERICAN FRIENDS MUSES DORSAY ET DE LORANGERIE | NEW YORK, NY | $100,000 | 2025 | GENERAL OPERATING SUPPORT |
| DIGDEEP RIGHT TO WATER PROJECT | LOS ANGELES, CA | $75,000 | 2025 | GENERAL OPERATING SUPPORT |
| THIRD WAY INSTITUTE | WASHINGTON, DC | $75,000 | 2025 | GENERAL OPERATING SUPPORT |
| CENTER FOR REPRODUCTIVE RIGHTS | NEW YORK, NY | $75,000 | 2025 | GENERAL OPERATING SUPPORT |
| NATIONAL PARTNERSHIP FOR WOMEN & FAMILIES | WASHINGTON, DC | $75,000 | 2025 | GENERAL OPERATING SUPPORT |
| THE NATIONAL WILDLIFE FEDERATION | RESTON, VA | $75,000 | 2025 | GENERAL OPERATING SUPPORT |
| DEFENDERS OF WILDLIFE | WASHINGTON, DC | $75,000 | 2025 | GENERAL OPERATING SUPPORT |
| FOOD FORWARD | NORTH HOLLYWOOD, CA | $50,000 | 2025 | GENERAL OPERATING SUPPORT |
| INTERNATIONAL MEDICAL CORPS | LOS ANGELES, CA | $50,000 | 2025 | GENERAL OPERATING SUPPORT |
| AMERICAN FRIENDS OF LATET HUMANITARIAN AID INC | WHITE PLAINS, NY | $50,000 | 2025 | GENERAL OPERATING SUPPORT |
| LOUISIANA BUCKET BRIGADE | NEW ORLEANS, LA | $50,000 | 2025 | GENERAL OPERATING SUPPORT |
| ONLY ONE | NEW YORK, NY | $200,000 | 2024 | GENERAL OPERATING SUPPORT |
| CLEAN AIR TASK FORCE INC | BOSTON, MA | $100,000 | 2024 | GENERAL OPERATING SUPPORT |
| AMERICAN FRIENDS MUSES DORSAY ET DE LORANGERIE | NEW YORK, NY | $100,000 | 2024 | GENERAL OPERATING SUPPORT |
| THE NATIONAL CAMPAIGN TO PREVENT UNPLANNED PREGNANCY DBA POWER TO DECIDE | WASHINGTON, DC | $75,000 | 2024 | GENERAL OPERATING SUPPORT |
| THE NATIONAL WILDLIFE FEDERATION | RESTON, VA | $75,000 | 2024 | GENERAL OPERATING SUPPORT |
| DEFENDERS OF WILDLIFE | WASHINGTON, DC | $75,000 | 2024 | GENERAL OPERATING SUPPORT |
| NATIONAL PARTNERSHIP FOR WOMEN & FAMILIES | WASHINGTON, DC | $75,000 | 2024 | GENERAL OPERATING SUPPORT |
| CENTER FOR REPRODUCTIVE RIGHTS | NEW YORK, NY | $75,000 | 2024 | GENERAL OPERATING SUPPORT |
| DIGDEEP RIGHT TO WATER PROJECT | LOS ANGELES, CA | $50,000 | 2024 | GENERAL OPERATING SUPPORT |
| UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION (ANSIRH) | SAN FRANCISCO, CA | $50,000 | 2024 | GENERAL OPERATING SUPPORT |
| LOUISIANA BUCKET BRIGADE | NEW ORLEANS, LA | $50,000 | 2024 | GENERAL OPERATING SUPPORT |
| THIRD WAY INSTITUTE | WASHINGTON, DC | $50,000 | 2024 | GENERAL OPERATING SUPPORT |
| ONLY ONE | NEW YORK, NY | $200,000 | 2023 | GENERAL OPERATING SUPPORT |
| THE NATIONAL WILDLIFE FEDERATION | RESTON, VA | $100,000 | 2023 | CAMPAIGNS TO SHUT DOWN PIPELINE 5 AND RESTORE BUFFALO TO TRIBAL LANDS |
| DEFENDERS OF WILDLIFE | WASHINGTON, DC | $75,000 | 2023 | FOSTERING COEXISTENCE WITH KEY SPECIES IN THE ROCKIES AND PLAINS |
| CLEAN AIR TASK FORCE INC | BOSTON, MA | $75,000 | 2023 | CALIFORNIA CLEAN ENERGY INFRASTRUCTURE DEPLOYMENT PROJECT |
| LOUISIANA BUCKET BRIGADE | NEW ORLEANS, LA | $50,000 | 2023 | CULTURAL DEFENSE PROJECT |
AMERICAN FRIENDS MUSES DORSAY ET DE LORANGERIE
$100,000GENERAL OPERATING SUPPORT
GENERAL OPERATING SUPPORT
AMERICAN FRIENDS MUSES DORSAY ET DE LORANGERIE
$100,000GENERAL OPERATING SUPPORT
THE NATIONAL CAMPAIGN TO PREVENT UNPLANNED PREGNANCY DBA POWER TO DECIDE
$75,000GENERAL OPERATING SUPPORT
GENERAL OPERATING SUPPORT
THE NATIONAL WILDLIFE FEDERATION
$100,000CAMPAIGNS TO SHUT DOWN PIPELINE 5 AND RESTORE BUFFALO TO TRIBAL LANDS
FOSTERING COEXISTENCE WITH KEY SPECIES IN THE ROCKIES AND PLAINS
CALIFORNIA CLEAN ENERGY INFRASTRUCTURE DEPLOYMENT PROJECT