Flora L Thornton Foundation appears to channel its philanthropic funds through a donor-advised/financial intermediary rather than making direct programmatic grants. Recent giving shows a single large grant to a DAF vehicle, suggesting the foundation uses intermediaries for flexible, possibly future-directed or tax-efficient regranting rather than targeting specific nonprofit programs. There’s no visible thematic or geographic program focus in the recorded grant.
Concentrated, single large grant to a donor-advised/impact funding trust—indicates use of intermediaries rather than multiple direct grantees; appears one-off rather than a pattern of repeat operational grants.
A single 2023 grant of $260,000 to Morgan Stanley Global Impact Funding Trust points to how the Flora L Thornton Foundation often channels money through intermediary vehicles rather than only making direct program grants. Its recent giving also shows repeated support for several organizations over multiple years, including Greenbelt Alliance, Environmental Defense Fund, and The Nature Conservancy, which suggests a continuing portfolio rather than one-off awards. The foundation’s grantmaking covers climate, conservation, nutrition, social equity, and the arts, with separate California-centered efforts for Los Angeles community and culture and Bay Area arts. Recent recipients range from environmental groups to universities and arts institutions, and the pattern includes general support awards rather than tightly project-specific grants. That mix of intermediary giving and direct support makes the foundation relevant to researchers tracking both flexible philanthropic vehicles and trustee-directed program funding. The record also shows a preference for California-based organizations within its broader regional scope.
Within climate and conservation, the foundation gave $140,000 in 2025 to Greenbelt Alliance for general support and $100,000 in 2025 to Environmental Defense Fund for general support. It also funded land and wildlife work through The Nature Conservancy, with $90,000 awards in 2023, 2024, and 2025. In environmental health and sustainability, As You Sow received $100,000 in 2024 and $100,000 in 2025, while Center for Environmental Health received $70,000 in 2023, 2024, and 2025. The arts and culture portfolio includes $75,000 in 2025 to California Science Center and $75,000 in 2025 to Library Foundation of Los Angeles. In education-linked giving, USC received a $200,000 grant in 2024 for general support.
Typical grant size sits at $10,000 at the 25th percentile, $25,000 at the median, and $50,000 at the 75th percentile, while the recent list also includes larger awards such as $260,000 and $200,000. The pattern includes repeat grants to the same organizations across multiple years, especially in environmental and conservation work. The foundation is a regular funder, not a fund that makes program-related investments, and it does not fund individuals. Recent awards are listed as general support, indicating flexibility in use rather than tightly earmarked project funding.
$2.2M
$33.6M
$1.9M
$2.8M
Most grants fall between $10K and $50K, with a median of $25K.
25th Percentile
$10K
Median
$25K
75th Percentile
$50K
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Notable grantees: Morgan Stanley Global Impact Funding Trust (DAF)
Grants are concentrated in California, which accounts for 70% of recipient locations and is also the top state by grant count. Los Angeles appears frequently, including grants to USC, The Nature Conservancy, Greater Los Angeles Zoo Association, Library Foundation of Los Angeles, California Science Center, and Crohn's & Colitis Foundation of America. San Francisco and Oakland also recur, with grants to Greenbelt Alliance, Environmental Defense Fund, As You Sow, and Center for Environmental Health. Outside California, recipient cities include Arlington, Washington, Charlottesville, and New York, but all recorded grants in the dataset go to US organizations.
The foundation funds climate, conservation, nutrition, social equity, and the arts. Its program list also includes California conservation, environmental sustainability, Bay Area arts, Los Angeles community and culture, and social equity grants, showing both statewide and place-based support within California.
No. The program descriptions say grants are initiated and stewarded by individual trustees, and several programs explicitly note that unsolicited proposals are not accepted.
The typical grant size is $10,000 at the 25th percentile, $25,000 at the median, and $50,000 at the 75th percentile. Recent awards also include larger grants, such as $260,000 and $200,000.
The recent record shows repeated support to the same organizations across multiple years, including Greenbelt Alliance, Environmental Defense Fund, The Nature Conservancy, As You Sow, Center for Environmental Health, and Southern Environmental Law Center. That indicates a recurring grantmaking pattern rather than isolated one-off awards.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| GREENBELT ALLIANCE | SAN FRANCISCO, CA | $140,000 | 2025 | GENERAL SUPPORT |
| ENVIRONMENTAL DEFENSE FUND | SAN FRANCISCO, CA | $100,000 | 2025 | GENERAL SUPPORT |
| AS YOU SOW | OAKLAND, CA | $100,000 | 2025 | GENERAL SUPPORT |
| THE NATURE CONSERVANCY | LOS ANGELES, CA | $90,000 | 2025 | GENERAL SUPPORT |
| CALIFORNIA SCIENCE CENTER | LOS ANGELES, CA | $75,000 | 2025 | GENERAL SUPPORT |
| LIBRARY FOUNDATION OF LOS ANGELES | LOS ANGELES, CA | $75,000 | 2025 | GENERAL SUPPORT |
| AFRICAN WILDLIFE FOUNDATION | WASHINGTON, DC | $70,000 | 2025 | GENERAL SUPPORT |
| CROHN'S & COLITIS FOUNDATION OF AMERICA | LOS ANGELES, CA | $70,000 | 2025 | GENERAL SUPPORT |
| SOUTHERN ENVIRONMENTAL LAW CENTER | CHARLOTTESVILLE, VA | $70,000 | 2025 | GENERAL SUPPORT |
| CENTER FOR ENVIRONMENTAL HEALTH | OAKLAND, CA | $70,000 | 2025 | GENERAL SUPPORT |
| RAINFOREST ALLIANCE | NEW YORK, NY | $60,000 | 2025 | GENERAL SUPPORT |
| SUSTAINABLE CONSERVATION | SAN FRANCISCO, CA | $60,000 | 2025 | GENERAL SUPPORT |
| POPULATION MEDIA CENTER | SOUTH BURLINGTON, VT | $60,000 | 2025 | GENERAL SUPPORT |
| THE CLIMATE CENTER | SANTA ROSA, CA | $55,000 | 2025 | GENERAL SUPPORT |
| ROCKY MOUNTAIN INSTITUTE | BOULDER, CO | $55,000 | 2025 | GENERAL SUPPORT |
| NATURAL HISTORY MUSEUM OF LOS ANGELES | LOS ANGELES, CA | $50,000 | 2025 | GENERAL SUPPORT |
| THE TRUST FOR PUBLIC LAND | SAN FRANCISCO, CA | $50,000 | 2025 | GENERAL SUPPORT |
| RARE | ARLINGTON, VA | $50,000 | 2025 | GENERAL SUPPORT |
| CPMC FOUNDATION | SAN FRANCISCO, CA | $50,000 | 2025 | GENERAL SUPPORT |
| LIBERTY HILL FOUNDATION | LOS ANGELES, CA | $50,000 | 2025 | GENERAL SUPPORT |
| PACIFIC FOREST TRUST | SAN FRANCISCO, CA | $50,000 | 2025 | GENERAL SUPPORT |
| SAVE THE REDWOODS LEAGUE | SAN FRANCISCO, CA | $45,000 | 2025 | GENERAL SUPPORT |
| RISING ARTIST FOUNDATION INC | BROOKLYN, NY | $35,000 | 2025 | GENERAL SUPPORT |
| SKIRBALL CULTURAL CENTER | LOS ANGELES, CA | $35,000 | 2025 | GENERAL SUPPORT |
| GREATER LOS ANGELES ZOO ASSOCIATION (GLAZA) | LOS ANGELES, CA | $35,000 | 2025 | GENERAL SUPPORT |
| PEPPERWOOD FOUNDATION | SANTA ROSA, CA | $35,000 | 2025 | GENERAL SUPPORT |
| NATURAL RESOURCES DEFENSE COUNCIL | SAN FRANCISCO, CA | $30,000 | 2025 | GENERAL SUPPORT |
| MUSE-IQUE | PASADENA, CA | $30,000 | 2025 | GENERAL SUPPORT |
| LOS ANGELES COUNTY MUSEUM OF ART (LACMA) | LOS ANGELES, CA | $30,000 | 2025 | GENERAL SUPPORT |
| MORGAN STANLEY GLOBAL IMPACT FUNDING TRUST (DAF) #9464X739 | SAN FRANCISCO, CA | $30,000 | 2025 | GENERAL SUPPORT |
| YOSEMITE CONSERVANCY | SAN FRANCISCO, CA | $30,000 | 2025 | GENERAL SUPPORT |
| CONSERVATION INTERNATIONAL | ARLINGTON, VA | $30,000 | 2025 | GENERAL SUPPORT |
| CLASSICAL CALIFORNIA KUSC | LOS ANGELES, CA | $25,000 | 2025 | GENERAL SUPPORT |
| CENTER FOR SCIENCE IN THE PUBLIC INTEREST | WASHINGTON, DC | $25,000 | 2025 | GENERAL SUPPORT |
| STUDENTS RUN LA | TARZANA, CA | $25,000 | 2025 | GENERAL SUPPORT |
| LOS ANGELES CONSERVANCY | LOS ANGELES, CA | $25,000 | 2025 | GENERAL SUPPORT |
| USC | LOS ANGELES, CA | $25,000 | 2025 | GENERAL SUPPORT |
| SAN FRANCISCO FILM SOCIETY | SAN FRANCISCO, CA | $22,000 | 2025 | GENERAL SUPPORT |
| DALBERG CATALYST | WASHINGTON, DC | $20,000 | 2025 | GENERAL SUPPORT |
| WILDLIFE CONSERVATION SOCIETY | BRONX, NY | $20,000 | 2025 | GENERAL SUPPORT |
| UCSF FOUNDATION | SAN FRANCISCO, CA | $15,000 | 2025 | GENERAL SUPPORT |
| US BIOCHAR INITIATIVE | PORTLAND, OR | $15,000 | 2025 | GENERAL SUPPORT |
| A COMMUNITY OF FRIENDS | LOS ANGELES, CA | $15,000 | 2025 | GENERAL SUPPORT |
| INTERNATIONAL BIRD RESCUE | FAIRFIELD, CA | $15,000 | 2025 | GENERAL SUPPORT |
| SAN FRANCISCO JAZZ ORGANIZATION | SAN FRANCISCO, CA | $15,000 | 2025 | GENERAL SUPPORT |
| PETER'S PLACE NURSERY SCHOOL | SAN FRANCISCO, CA | $15,000 | 2025 | GENERAL SUPPORT |
| HAMPSHIRE COLLEGE | AMHERST, MA | $10,000 | 2025 | GENERAL SUPPORT |
| FOS FEMINISTA | NEW YORK, NY | $10,000 | 2025 | GENERAL SUPPORT |
| COMMONWEALTH CLUB | SAN FRANCISCO, CA | $10,000 | 2025 | GENERAL SUPPORT |
| SAN FRANCISCO DAY SCHOOL | SAN FRANCISCO, CA | $10,000 | 2025 | GENERAL SUPPORT |
THE NATURE CONSERVANCY
$90,000GENERAL SUPPORT
CALIFORNIA SCIENCE CENTER
$75,000GENERAL SUPPORT
GENERAL SUPPORT
CROHN'S & COLITIS FOUNDATION OF AMERICA
$70,000GENERAL SUPPORT
ROCKY MOUNTAIN INSTITUTE
$55,000GENERAL SUPPORT
NATURAL HISTORY MUSEUM OF LOS ANGELES
$50,000GENERAL SUPPORT
THE TRUST FOR PUBLIC LAND
$50,000GENERAL SUPPORT
RISING ARTIST FOUNDATION INC
$35,000GENERAL SUPPORT
SKIRBALL CULTURAL CENTER
$35,000GENERAL SUPPORT
PEPPERWOOD FOUNDATION
$35,000GENERAL SUPPORT
LOS ANGELES COUNTY MUSEUM OF ART (LACMA)
$30,000GENERAL SUPPORT
MORGAN STANLEY GLOBAL IMPACT FUNDING TRUST (DAF) #9464X739
$30,000GENERAL SUPPORT
CLASSICAL CALIFORNIA KUSC
$25,000GENERAL SUPPORT
STUDENTS RUN LA
$25,000GENERAL SUPPORT
USC
$25,000GENERAL SUPPORT
UCSF FOUNDATION
$15,000GENERAL SUPPORT
US BIOCHAR INITIATIVE
$15,000GENERAL SUPPORT
SAN FRANCISCO JAZZ ORGANIZATION
$15,000GENERAL SUPPORT
PETER'S PLACE NURSERY SCHOOL
$15,000GENERAL SUPPORT
HAMPSHIRE COLLEGE
$10,000GENERAL SUPPORT
COMMONWEALTH CLUB
$10,000GENERAL SUPPORT