The S & L Marx Foundation concentrates its philanthropy on higher-education research infrastructure and professional social-service workforce development, with the vast majority of funds directed to a single institutional beneficiary and a smaller commitment to Jewish social services. Its giving suggests a preference for large, targeted investments that build institutional capacity (e.g., data science library resources) and support professional training in social work. The foundation appears to favor a few transformative gifts rather than many small, diverse grants.
A $1.5 million grant to Yale University for the Data Science Library fund is the clearest window into S & L Marx Foundation’s priorities. The foundation repeatedly backs institution-building at a small set of recipients, especially Yale, where support has also gone to the Yale Program for the Study of Antisemitism and the Robert Blocker Scholarship Fund at the Yale School of Music. That pattern points to targeted funding for research infrastructure, student aid, and programs tied to higher education rather than broad-based grantmaking. Its portfolio also reaches beyond campus-based work. The foundation funded the Jewish Board of Family & Childrens Services Inc for a Social Work Residency fund and Social Work Residency program, while supporting the Einstein Aging Study Research Program at Albert Einstein College of Medicine and the Musculoskeletal Research fund at Hospital for Special Surgery Fund Inc. Other grants show interest in summer enrichment, college access, climate fellows, and arts-and-STEAM spaces, but the recurring thread is concentrated, capacity-oriented support for institutions and professional training. Grants appear in repeated years to the same organizations, which suggests continuity rather than one-time awards.
Higher-education research and infrastructure is a core theme. S & L Marx Foundation gave $1.5 million in 2024 to Yale University for the Data Science Library fund, and another $1 million in 2025 for the same library fund. Student support appears in several forms. The foundation awarded $250,000 to Stanford University - Gsb for the BOLD Fellows Fund for Student Support, and also gave $150,000 to Lets Get Ready Inc for expansion of its College Access and Success Program. It has also funded faculty development and scholarships. Greenwich Academy Inc received $200,000 in 2025 for the STEM Faculty Professional Development Fund, while Yale University received $125,000 in 2025 for the Robert Blocker Scholarship Fund to provide financial aid to students within the Yale School of Music. Beyond education, the foundation supported service and care programs, including $100,000 to Alzheimers Disease and Related Disorders Associati for a Dementia Care Coordination Program in New England.
Typical grants are relatively concentrated around a middle tier: the 25th percentile is $2,500, the median is $5,000, and the 75th percentile is $12,500. The recent-grants list also shows a much larger set of targeted awards in the six- and seven-figure range, indicating a two-track pattern of many modest gifts alongside a small number of major institutional commitments. The same recipients appear across multiple years, including Yale University, Albert Einstein College of Medicine, Hospital for Special Surgery Fund Inc, and Camphill Village U S a Inc, which points to recurring support rather than isolated one-time grants. The foundation is not a program-related-investment funder, and it does fund individuals. The available data does not describe an application process.
$4.6M
$83.1M
$13.2M
$5.4M
Most grants fall between $3K and $13K, with a median of $5K.
25th Percentile
$3K
Median
$5K
75th Percentile
$13K
About 0% of grants go to recipients in CT.
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Highly concentrated giving: very large, multi-grant support to one primary beneficiary (Yale University) complemented by a single sizable grant to a mission-driven social service organization. Few recipients overall, indicating strategic, relationship-based investments rather than broad-based grantmaking.
Notable grantees: Yale University, Jewish Board of Family & Children’s Services Inc.
Grantmaking is national, and every recorded recipient in the dataset is in the United States. Connecticut stands out as the top state by grant count, with repeated grants to New Haven, Greenwich, and Stamford. New York also appears frequently, including New York City, the Bronx, and Copake. Other recipient locations include Stanford, California; Williamstown, Massachusetts; and Chicago, Illinois. The foundation gives 0% of grants to recipients in Delaware, despite its headquarters being in Wilmington.
Its recent grants center on higher-education research infrastructure, student support, and professional training in social services. Examples in the data include the Data Science Library fund at Yale, the Social Work Residency fund at the Jewish Board of Family & Childrens Services Inc, and the Einstein Aging Study Research Program at Albert Einstein College of Medicine.
Yes. Several recipients appear in multiple years, including Yale University in 2023, 2024, and 2025; Albert Einstein College of Medicine in 2023 and 2024; Hospital for Special Surgery Fund Inc in 2024 and 2025; and Camphill Village U S a Inc in 2023, 2024, and 2025.
The middle of the distribution is modest: the 25th percentile is $2,500, the median is $5,000, and the 75th percentile is $12,500. The recent grants list also includes larger institutional awards, including multiple gifts of $1.5 million and $1 million.
Giving is national, but Connecticut is the top state by grant count. Recent Connecticut recipients include organizations in New Haven, Greenwich, and Stamford. The recipient-country data shows 415 grants, or 100.0%, to U.S. organizations.
The foundation funds individuals and institutions. The grant records here feature institutional awards to universities, medical centers, schools, and service organizations, and the foundation’s profile data explicitly indicates that it funds individuals.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| YALE UNIVERSITY | NEW HAVEN, CT | $1,000,000 | 2025 | Data Science Library fund |
| JEWISH BOARD OF FAMILY & CHILDRENS SERVICES INC | NEW YORK, NY | $500,000 | 2025 | Social Work Residency fund |
| STANFORD UNIVERSITY - GSB | STANFORD, CA | $250,000 | 2025 | BOLD Fellows Fund for Student Support |
| BRUNSWICK SCHOOL INC | GREENWICH, CT | $250,000 | 2025 | Horizons Summer Enrichment Program Endowment |
| GREENWICH ACADEMY INC | GREENWICH, CT | $200,000 | 2025 | STEM Faculty Professional Development Fund |
| HOSPITAL FOR SPECIAL SURGERY FUND INC | NEW YORK, NY | $200,000 | 2025 | Musculoskeletal Research under the direction of Dr. Ugur Ayturk, PhD |
| Boys and Girls Club of Greenwich | Greenwich, CT | $150,000 | 2025 | Art & STEAM Lab fund in Horseneck Lane facility |
| YALE UNIVERSITY | NEW HAVEN, CT | $125,000 | 2025 | Robert Blocker Scholarship Fund to provide financial aid to students within the Yale School of Music |
| YALE UNIVERSITY | NEW HAVEN, CT | $125,000 | 2025 | Yale Program for the Study of Antisemitism |
| TAFT SCHOOL CORPORATION | WATERTOWN, CT | $100,000 | 2025 | Financial Aid Endowment |
| ALZHEIMERS DISEASE AND RELATED DISORDERS ASSOCIATI | CHICAGO, IL | $100,000 | 2025 | Dementia Care Coordination Program in New England |
| YALE UNIVERSITY | NEW HAVEN, CT | $100,000 | 2025 | Yale Class of 1954 Endowment for the Peabody Museum |
| CAMPHILL VILLAGE U S A INC | COPAKE, NY | $100,000 | 2025 | Healing Plant Garden Workspace Building Project |
| LETS GET READY INC | NEW YORK, NY | $75,000 | 2025 | CT State-Wide Coaching for College Success program |
| WESTCHESTER ARC FOUNDATION INC | HAWTHORNE, NY | $75,000 | 2025 | Grant for music, movement, and art therapy program |
| YONKERS PARTNERS IN EDUCATION INC | YONKERS, NY | $75,000 | 2025 | Yonkers and Jersey City College Access Programs |
| YALE UNIVERSITY | NEW HAVEN, CT | $75,000 | 2025 | Yale Emerging Climate Leaders Fellowship |
| WATERSIDE SCHOOL INC | STAMFORD, CT | $75,000 | 2025 | Literacy Champions Initiative |
| JOSEPH SLIFKA CENTER FOR JEWISH LIFE AT YALE | NEW HAVEN, CT | $75,000 | 2025 | Yale Jewish Renewal Fund |
| BIRTHRIGHT ISRAEL FOUNDATION | NEW YORK, NY | $60,000 | 2025 | Birthright Israel Fellows professional development program |
| FAIR HAVEN COMMUNITY HEALTH CLINIC INC | NEW HAVEN, CT | $50,000 | 2025 | new Fair Haven Community Health Care facility fund |
| BRUCE MUSEUM INC | GREENWICH, CT | $50,000 | 2025 | new Woodshop/Exhibition Design Space fund |
| MARLBORO SCHOOL OF MUSIC INC | PHILADELPHIA, PA | $36,000 | 2025 | Musicians from Marlboro Public Concert Series at Greenwich Library |
| STERLING & FRANCINE CLARK ART INST | WILLIAMSTOWN, MA | $35,000 | 2025 | cultural programming and educational outreach |
| AURELIA FOUNDATION | PACIFIC PALISADES, CA | $30,000 | 2025 | Creative Steps Arts Program |
| GREENWICH HOSPITAL | GREENWICH, CT | $30,000 | 2025 | Healthy Living Prevention Program |
| WARREN LAND TRUST INC | WARREN, CT | $25,000 | 2025 | Preservation of Tanner Farm and Mountain Lake Preserve |
| BRUCE MUSEUM INC | GREENWICH, CT | $25,000 | 2025 | cultural programming and educational outreach |
| METROPOLITAN OPERA GUILD INC | NEW YORK, NY | $25,000 | 2025 | General & Unrestricted |
| HAND IN HAND AMERICAN FRIENDS OF CNTR FOR JEWISH-A | PORTLAND, OR | $25,000 | 2025 | Growth of Hand in Hand Kfar Saba School |
| HARLEM ACADEMY | NEW YORK, NY | $20,000 | 2025 | Teaching partnership with Harlem School of the Arts and student scholarship fund |
| Boys and Girls Club of Greenwich | Greenwich, CT | $16,000 | 2025 | Strategic and Governance Consulting |
| SHARP AGAIN NATURALLY INC | WHITE PLAINS, NY | $15,000 | 2025 | Supporting Brain Health Longevity in Seniors |
| FRIENDS OF THE ISRAEL DEFENSE FORCES | NEW YORK, NY | $15,000 | 2025 | PTSD program for active-duty soliders |
| SHAKESPEARE ON THE SOUND INC | NORWALK, CT | $15,000 | 2025 | Educational Outreach |
| WASHINGTON INSTITUTE FOR NEAR EAST POLICY | WASHINGTON, DC | $15,000 | 2025 | research and policy support |
| READING TEAM INC | NEW YORK, NY | $15,000 | 2025 | Expansion of literacy coaching program for Harlem students |
| THE CARNEGIE HALL CORPORATION | NEW YORK, NY | $15,000 | 2025 | Music programming and outreach |
| THE MORGAN LIBRARY & MUSEUM | NEW YORK, NY | $12,500 | 2025 | Educational programs and exhibitions |
| TOGETHER ACHIEVING DREAMS FOUNDATION INC | NEW YORK, NY | $11,500 | 2025 | Student mentorship program |
| CAGV-EDUCATION FUND INC | RIDGEFIELD, CT | $10,000 | 2025 | Gun Violence Prevention |
| YALE UNIVERSITY | NEW HAVEN, CT | $10,000 | 2025 | Yale Lacrosse Association |
| FAMILY CENTERS INC | GREENWICH, CT | $10,000 | 2025 | childcare and literacy programs |
| SHATTERPROOF A NONPROFIT CORP | NEW YORK, NY | $10,000 | 2025 | Shatterproof's Stigma Reduction Initiative |
| YALE UNIVERSITY | NEW HAVEN, CT | $10,000 | 2025 | Peter Salovey & Marta Elisa Moret Scholarship Fund |
| TOGETHER ACHIEVING DREAMS FOUNDATION INC | NEW YORK, NY | $10,000 | 2025 | career mentoring program for blind and low-vision students |
| TEMPLE SHOLOM INC | GREENWICH, CT | $10,000 | 2025 | Charitable Event |
| COMMUNITY MINDFULNESS PROJECT INCORPORATED | RIDGEFIELD, CT | $10,000 | 2025 | CMP partnership with community organizations |
| ANTI-DEFAMATION LEAGUE | NEW YORK, NY | $10,000 | 2025 | ADL programs in Connecticut |
| SQUASH HAVEN INC | NEW HAVEN, CT | $10,000 | 2025 | Academic and athletic enrichment programs |
YALE UNIVERSITY
$1,000,000Data Science Library fund
JEWISH BOARD OF FAMILY & CHILDRENS SERVICES INC
$500,000Social Work Residency fund
STANFORD UNIVERSITY - GSB
$250,000BOLD Fellows Fund for Student Support
GREENWICH ACADEMY INC
$200,000STEM Faculty Professional Development Fund
Musculoskeletal Research under the direction of Dr. Ugur Ayturk, PhD
Boys and Girls Club of Greenwich
$150,000Art & STEAM Lab fund in Horseneck Lane facility
YALE UNIVERSITY
$125,000Robert Blocker Scholarship Fund to provide financial aid to students within the Yale School of Music
YALE UNIVERSITY
$125,000Yale Program for the Study of Antisemitism
Dementia Care Coordination Program in New England
YALE UNIVERSITY
$100,000Yale Class of 1954 Endowment for the Peabody Museum
Grant for music, movement, and art therapy program
Yonkers and Jersey City College Access Programs
YALE UNIVERSITY
$75,000Yale Emerging Climate Leaders Fellowship
Birthright Israel Fellows professional development program
new Fair Haven Community Health Care facility fund
BRUCE MUSEUM INC
$50,000new Woodshop/Exhibition Design Space fund
MARLBORO SCHOOL OF MUSIC INC
$36,000Musicians from Marlboro Public Concert Series at Greenwich Library
cultural programming and educational outreach
AURELIA FOUNDATION
$30,000Creative Steps Arts Program
WARREN LAND TRUST INC
$25,000Preservation of Tanner Farm and Mountain Lake Preserve
BRUCE MUSEUM INC
$25,000cultural programming and educational outreach
HAND IN HAND AMERICAN FRIENDS OF CNTR FOR JEWISH-A
$25,000Growth of Hand in Hand Kfar Saba School
Teaching partnership with Harlem School of the Arts and student scholarship fund
SHARP AGAIN NATURALLY INC
$15,000Supporting Brain Health Longevity in Seniors
SHAKESPEARE ON THE SOUND INC
$15,000Educational Outreach
WASHINGTON INSTITUTE FOR NEAR EAST POLICY
$15,000research and policy support
READING TEAM INC
$15,000Expansion of literacy coaching program for Harlem students
THE MORGAN LIBRARY & MUSEUM
$12,500Educational programs and exhibitions
TOGETHER ACHIEVING DREAMS FOUNDATION INC
$11,500Student mentorship program
CAGV-EDUCATION FUND INC
$10,000Gun Violence Prevention
YALE UNIVERSITY
$10,000Yale Lacrosse Association
SHATTERPROOF A NONPROFIT CORP
$10,000Shatterproof's Stigma Reduction Initiative
YALE UNIVERSITY
$10,000Peter Salovey & Marta Elisa Moret Scholarship Fund
TOGETHER ACHIEVING DREAMS FOUNDATION INC
$10,000career mentoring program for blind and low-vision students
TEMPLE SHOLOM INC
$10,000Charitable Event
COMMUNITY MINDFULNESS PROJECT INCORPORATED
$10,000CMP partnership with community organizations