Leen Foundation makes a small number of sizable, unrestricted grants focused on community-oriented causes. Their giving favors local civic/environmental work in Princeton alongside support for higher education and a culturally specific organization (appearing to be Jewish/Israel-focused). Grants are typically general operating or unrestricted support, indicating trust in grantee management and a preference for flexible funding.
Concentrated, small portfolio of large, unrestricted grants; repeat funding to at least one local nonprofit (Sustainable Princeton) and occasional major gifts to individual institutions rather than many small awards.
Leen Foundation Inc’s recent giving shows a clear preference for unrestricted support across a small set of recurring grantees. The largest grant in the file is $40,000 to Webster University in Saint Louis, followed closely by multi-year support for Sustainable Princeton Inc in Princeton. That pattern suggests a funder that backs organizations directly rather than restricting gifts to a single project. Alongside higher education and Princeton-based civic and environmental work, the foundation also funds Jewish and Israel-related organizations, including Range Shemesh and Friends of the Idf. Several grants are repeated in both 2024 and 2025, which points to an ongoing relationship with selected nonprofits rather than isolated one-time awards. The foundation’s portfolio also includes cultural and community organizations such as Lilith Publications Inc and Princeton Jewish Center, reinforcing a mix of local, educational, and identity-based philanthropy. Grant purposes in the recent list are consistently described as support of the recipient’s tax-exempt purpose, indicating flexible use of funds across different organizational types.
In Princeton-oriented civic and environmental work, Leen Foundation Inc gave $37,800 in 2024 and $37,026 in 2025 to Sustainable Princeton Inc, plus $20,000 in 2024 and $10,000 in 2025 to Ridgeview Conservancy. Those grants sit alongside support for local history through $8,000 in 2025 to Historical Society Princeton. Higher education is another visible line of giving: Webster University received $40,000 in 2024, $20,000 in 2024, and $10,000 in 2024. The foundation also funds Jewish and Israel-related organizations, including $32,500 in 2024 to Range Shemesh, $15,000 in 2025 and $12,500 in 2024 to Kanfe Shemesh, and $20,000 in 2024 to One Israel Fund Ltd.
Typical grants are modest relative to the largest awards: p25 is $1,000, median is $2,500, and p75 is $5,550. The recent list also shows a smaller set of larger unrestricted gifts, including several repeat awards across 2024 and 2025. That repetition appears with organizations such as Sustainable Princeton Inc, Webster University, and Friends of the Idf, indicating ongoing support rather than strictly one-off grants. The foundation is a private grantmaker with no program-related investments and no individual giving.
$197K
$168K
$185K
$204K
Most grants fall between $1K and $6K, with a median of $3K.
25th Percentile
$1K
Median
$3K
75th Percentile
$6K
About 21% of grants go to recipients in MO.
Top 2 recipient countries by grant volume for Leen Foundation.
| Rank | Country | Grants | Total | Share |
|---|---|---|---|---|
| 1 | United StatesDomestic | 139 | $741K | 98.6% |
| 2 | Israel | 2 | $14K |
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Notable grantees: Sustainable Princeton Inc., Webster University, Range Shemesh
Most grants go to U.S. recipients, with 139 grants in the United States and 2 in Israel. New Jersey is the main recipient state, accounting for 21% of grants, and Princeton appears repeatedly through recipients such as Sustainable Princeton Inc, Ridgeview Conservancy, Princeton Jewish Center, and Historical Society Princeton. Other visible recipient cities include Saint Louis, New York, Cedarhurst, Boston, Arlington, Philadelphia, Ojai, Roseland, and Jerusalem.
The recent grants show support for higher education, Princeton civic and environmental work, and Jewish or Israel-related organizations. Examples include Webster University, Sustainable Princeton Inc, Range Shemesh, Lilith Publications Inc, and Friends of the Idf. Grant purposes are consistently listed as unrestricted support of the recipient’s tax-exempt purpose.
Yes. Several recipients appear in multiple years, including Sustainable Princeton Inc in 2024 and 2025, Webster University in 2024, Friends of the Idf in 2024 and 2025, and Appalachian Mountain Club in 2024 and 2025. That pattern suggests ongoing relationships with selected grantees.
The distribution is relatively small for most awards: p25 is $1,000, median is $2,500, and p75 is $5,550. The recent list also includes larger grants, such as $40,000 to Webster University and $37,800 to Sustainable Princeton Inc.
New Jersey is the top recipient state, with 21% of grants. Recipient locations in the recent list include Princeton, Saint Louis, New York, Cedarhurst, Boston, Arlington, Philadelphia, Ojai, Roseland, and Jerusalem. The country distribution is overwhelmingly U.S.-based, with two grants to Israel.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Recipient country reflects the grantee's headquarters per IRS 990-PF and Schedule F filings, not the program's implementation country.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| SUSTAINABLE PRINCETON INC | PRINCETON, NJ | $37,026 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| LILITH PUBLICATIONS INC | NEW YORK, NY | $18,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| KANFE SHEMESH | CEDARHURST, NY | $15,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| RIDGEVIEW CONSERVANCY | PRINCETON, NJ | $10,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| FRIENDS OF THE IDF | NEW YORK, NY | $10,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| HISTORICAL SOCIETY PRINCETON | PRINCETON, NJ | $8,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| APPALACHIAN MOUNTAIN CLUB | BOSTON, MA | $7,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| D & R GREENWAY | PRINCETON, NJ | $6,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| AMERICAN RED CROSS | ST LOUIS, MO | $6,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| NJ GAMER SYMPHONY ORCHESTRA | NORTH ARLINGTON, NJ | $5,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| HERITAGE RETREATS | PASSAIC, NJ | $5,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| MEMRI (MID EAST REPORTING) | WASHINGTON, DC | $4,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| LEADERSHIP INSTITUTE | ARLINGTON, VA | $4,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| CAMP RAMAH | OJAI, CA | $4,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| ANTI DEFAMATION LEAGUE | NEW YORK, NY | $4,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| PINELANDS PRESERVATION | SOUTHAMPTON TOWNSHIP, NJ | $4,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| CHABAD OF PRINCETON | PRINCETON, NJ | $3,600 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| THE INNOCENCE PROJECT | NEW YORK, NY | $3,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| AMERICAN CAMPING ASSOCIATION | MARTINSVILLE, IN | $3,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| ALZHEIMERS DISEASE RESEARCH CENTER | ST LOUIS, MO | $3,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| CLARION PROJECT | NEW YORK, NY | $2,500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| GATHER | PORTSMOUTH, NH | $2,500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| WORLD CENTRAL KITCHEN INCORPORATED | WASHINGTON, DC | $2,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| THE GREENWOOD | EWING, NJ | $2,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| FARMING HOPE | SAN FRANCISCO, CA | $2,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| PLANNED PARENT HOOD | WASHINGTON, DC | $2,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| ST ANTHONY FOUNDATION | SAN FRANCISCO, CA | $2,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| FRIENDS OF PRINCETON OPEN SPACE | PRINCETON, NJ | $2,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| FRACTURED | NEW YORK, NY | $2,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| PUBLIC THEATER | NEW YORK, NY | $1,500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| WOMEN'S HISTORY MUSEUM | WASHINGTON, DC | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| JINSA | WASHINGTON, DC | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| JUDICIAL WATCH | WASHINGTON, DC | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| INSTITUTE FOR JUSTICE | ARLINGTON, VA | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| THE JEWISH CENTER | PRINCETON, NJ | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| JEWISH NEWS SERVICE | NEWTON, MA | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| NATURE TO NEIGHBORHOOD | RICHMOND, CA | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| STAND WITH US | LOS ANGELES, CA | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| BAY AREA RIDGE TRAIL COUNCIL | BERKELEY, CA | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| JEWISH NATIONAL FUND | ROCKVILLE CENTRE, NY | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| NEW JERSEY CONSERVATION | FAR HILLS, NJ | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| MERCATUS CENTER | ARLINGTON, VA | $1,000 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| FROM THE HEART PRODUCTION | OXNARD, CA | $750 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| THE NEEMAN FOUNDATION | BOSTON, MA | $720 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| MAHOOSUC LAND TRUST | BETHEL, ME | $500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| ALC OF ST LOUIS | SACRAMENTO, CA | $500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| JEWISH WAR VETERANS | WASHINGTON, DC | $500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| SOURLAND CONSERVANCY | SKILLMAN, NJ | $500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| HILLSDALE COLLEGE | HILLSDALE, MO | $500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
| JEWISH BROADCASTING SYS | STAMFORD, CT | $500 | 2025 | UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE. |
SUSTAINABLE PRINCETON INC
$37,026UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
LILITH PUBLICATIONS INC
$18,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
KANFE SHEMESH
$15,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
RIDGEVIEW CONSERVANCY
$10,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
FRIENDS OF THE IDF
$10,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
HISTORICAL SOCIETY PRINCETON
$8,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
APPALACHIAN MOUNTAIN CLUB
$7,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
D & R GREENWAY
$6,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
AMERICAN RED CROSS
$6,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
NJ GAMER SYMPHONY ORCHESTRA
$5,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
HERITAGE RETREATS
$5,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
MEMRI (MID EAST REPORTING)
$4,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
LEADERSHIP INSTITUTE
$4,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
CAMP RAMAH
$4,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
ANTI DEFAMATION LEAGUE
$4,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
PINELANDS PRESERVATION
$4,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
CHABAD OF PRINCETON
$3,600UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
THE INNOCENCE PROJECT
$3,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
AMERICAN CAMPING ASSOCIATION
$3,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
ALZHEIMERS DISEASE RESEARCH CENTER
$3,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
CLARION PROJECT
$2,500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
GATHER
$2,500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
WORLD CENTRAL KITCHEN INCORPORATED
$2,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
THE GREENWOOD
$2,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
FARMING HOPE
$2,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
PLANNED PARENT HOOD
$2,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
ST ANTHONY FOUNDATION
$2,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
FRIENDS OF PRINCETON OPEN SPACE
$2,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
FRACTURED
$2,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
PUBLIC THEATER
$1,500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
WOMEN'S HISTORY MUSEUM
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
JINSA
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
JUDICIAL WATCH
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
INSTITUTE FOR JUSTICE
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
THE JEWISH CENTER
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
JEWISH NEWS SERVICE
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
NATURE TO NEIGHBORHOOD
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
STAND WITH US
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
BAY AREA RIDGE TRAIL COUNCIL
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
JEWISH NATIONAL FUND
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
NEW JERSEY CONSERVATION
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
MERCATUS CENTER
$1,000UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
FROM THE HEART PRODUCTION
$750UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
THE NEEMAN FOUNDATION
$720UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
MAHOOSUC LAND TRUST
$500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
ALC OF ST LOUIS
$500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
JEWISH WAR VETERANS
$500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
SOURLAND CONSERVANCY
$500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
HILLSDALE COLLEGE
$500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.
JEWISH BROADCASTING SYS
$500UNRESTRICTED SUPPORT OF ORGANIZATION'S TAX EXEMPT PURPOSE.