The Knapp-Swezey Foundation makes very large, targeted gifts to major institutions in the New York/Long Island region, prioritizing healthcare, higher education/academic medicine, and community-serving organizations. Their grants fund flagship hospitals/university medical centers and regional nonprofits that deliver community health and youth services, suggesting an interest in strengthening local institutional capacity rather than many small grassroots projects.
Highly concentrated giving: very few, very large gifts primarily to established institutional grantees in the NY/Long Island area rather than many small or exploratory grants.
Notable grantees: NYU Hospital, Stony Brook Foundation, YMCA of Long Island, Community Funds Inc
Knapp-swezey Foundation Inc’s recent giving is defined by repeated seven- and eight-figure support for a small set of institutions on Long Island and in greater New York. Two $20,000,000 charitable contributions to NYU Hospital in 2025 stand out as the largest grants in the file, alongside parallel $10,000,000 gifts to Stony Brook Foundation the same year. That pattern points to a funder that backs major hospital and university infrastructure rather than dispersing many small awards. The foundation also appears in community-serving settings: it gave $5,000,000 each to YMCA of Long Island and Community Funds Inc in 2025, and $2,000,000 each to Concern for Independent Living and Ighl Foundation. Smaller but still substantial grants to Boys & Girls Club of the Bellport Area, Camp Paqutuck, Gateway Playhouse, Long Island Museum, and Patchogue Village show a broad local interest in health, education, youth development, culture, and civic needs. The profile that emerges is one of highly targeted institutional philanthropy centered on organizations with regional reach and local visibility.
Healthcare and academic medicine are central to the foundation’s recent grantmaking. In 2025, it gave $20,000,000 to NYU Hospital and $10,000,000 to Stony Brook Foundation, indicating major support for medical and university-linked institutions. Community health and youth programming also appears repeatedly: YMCA of Long Island received $5,000,000 in 2025, and Boys & Girls Club of the Bellport Area received $1,000,000 in 2025. The foundation also supports housing-related service organizations, including $2,000,000 to Concern for Independent Living and $2,000,000 to Ighl Foundation in 2025. Beyond social services, the portfolio includes cultural and community anchors such as $500,000 to Gateway Playhouse and $500,000 to Long Island Museum, reflecting an interest in institutions that serve local public life.
The typical grant size sits at $12,000 at the 25th percentile, $27,280 at the median, and $55,000 at the 75th percentile, but the recent file also shows a separate layer of very large charitable contributions. Recurrence is notable: Stony Brook Foundation appears in 2025 and 2023, Patchogue Village appears multiple times across 2024 and 2025, and other recipients also repeat within the recent list. The foundation is structured as a private foundation, and it does not fund individuals or make program-related investments. Its giving is local, with 99% of grants going to recipients in New York.
$2.3M
$16.7M
$1.2M
$2.4M
Most grants fall between $12K and $55K, with a median of $27K.
25th Percentile
$12K
Median
$27K
75th Percentile
$55K
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Grant locations are overwhelmingly concentrated in New York, which accounts for 99% of grants and is also the top state by grant count. Named recipients cluster across Long Island, including Patchogue, Stony Brook, Glen Cove, Commack, Medford, East Moriches, Bellport, Holbrook, Blue Point, East Hampton, Melville, and New London appears once outside the state in the recent list. The recipient-country distribution is entirely U.S.-based, with 213 grants in the United States.
Recent grants show support for hospitals and academic medicine, higher-education institutions, community health and youth programs, housing-related services, and cultural or civic organizations. Examples in the file include NYU Hospital, Stony Brook Foundation, YMCA of Long Island, Concern for Independent Living, Gateway Playhouse, and Patchogue Village.
The typical grant size is $12,000 at the 25th percentile, $27,280 at the median, and $55,000 at the 75th percentile. The recent file also includes much larger charitable contributions, including several awards in the millions.
Yes. Its giving is local, and 99% of grants go to recipients in New York. Recent recipient cities include Patchogue, Stony Brook, Glen Cove, Commack, Medford, Bellport, and Holbrook.
No. The profile indicates that it does not fund individuals and does not make program-related investments.
Yes. Stony Brook Foundation appears in both 2025 and 2023, and Patchogue Village appears multiple times across 2024 and 2025. Several other organizations also repeat within the recent grant list, showing ongoing relationships rather than one-time awards.
2026
Source: IRS Form 990-PF, fiscal year 2026.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| STONY BROOK FOUNDATION | STONY BROOK, NY | $1,000,000 | 2026 | CHARITABLE CONTRIBUTION |
| PATCHOGUE VILLAGE | PATCHOGUE, NY | $208,510 | 2026 | CHARITABLE CONTRIBUTION |
| LONG ISLAND CARES | HAUPPAUGE, NY | $100,000 | 2026 | CHARITABLE CONTRIBUTION |
| NATURE CONSERVENCY | EAST HAMPTON, NY | $100,000 | 2026 | CHARITABLE CONTRIBUTION |
| ISLAND HARVEST | MINEOLA, NY | $80,000 | 2026 | CHARITABLE CONTRIBUTION |
| PATCHOGUE-MEDFORD YOUTH AND COMMUNITY SERVICES | PATCHOGUE, NY | $65,000 | 2026 | CHARITABLE CONTRIBUTION |
| SEATUCK ENVIROMENTAL ASSOCIATION | ISLIP, NY | $52,900 | 2026 | CHARITABLE CONTRIBUTION |
| CANINE COMPANIONS | MEDFORD, NY | $50,000 | 2026 | CHARITABLE CONTRIBUTION |
| AMERICAN RED CROSS | YAPHANK, NY | $50,000 | 2026 | CHARITABLE CONTRIBUTION |
| GUIDE DOG FOUNDATION | SMITHTOWN, NY | $50,000 | 2026 | CHARITABLE CONTRIBUTION |
| BAYPORT-BLUE POINT SCHOOL | BAYPORT, NY | $45,366 | 2026 | CHARITABLE CONTRIBUTION |
| NYU HOSPITAL | PATCHOGUE, NY | $45,000 | 2026 | CHARITABLE CONTRIBUTION |
| BOYS & GIRLS CLUB OF THE BELLPORT AREA | BELLPORT, NY | $40,000 | 2026 | CHARITABLE CONTRIBUTION |
| LI YOUTH MENTORING | BRENTWOOD, NY | $40,000 | 2026 | CHARITABLE CONTRIBUTION |
| OPTIONS FOR COMMUNITY LIVING | RONKONKOMA, NY | $30,000 | 2026 | CHARITABLE CONTRIBUTION |
| GIRLS INC OF LONG ISLAND | DEER PARK, NY | $30,000 | 2026 | CHARITABLE CONTRIBUTION |
| CENTER FOR ENVIRONMENTAL EDUCATION & DISCOVERY | BROOKHAVEN, NY | $25,000 | 2026 | CHARITABLE CONTRIBUTION |
| NEW BEGINNINGS COMMUNITY CENTER | MEDFORD, NY | $25,000 | 2026 | CHARITABLE CONTRIBUTION |
| DEVELOPMENTAL DISABILITIES INSTITUTE | SMITHTOWN, NY | $25,000 | 2026 | CHARITABLE CONTRIBUTION |
| LITERACY SUFFOLK | BELLPORT, NY | $25,000 | 2026 | CHARITABLE CONTRIBUTION |
| MERCY CENTER MINISTRIES | PATCHOGUE, NY | $25,000 | 2026 | CHARITABLE CONTRIBUTION |
| MERCY HAVEN | ISLIP TERRACE, NY | $20,000 | 2026 | CHARITABLE CONTRIBUTION |
| PAC MOCA | PATCHOGUE, NY | $20,000 | 2026 | CHARITABLE CONTRIBUTION |
| PLAZA CINEMA AND ARTS CENTER | PATCHOGUE, NY | $20,000 | 2026 | CHARITABLE CONTRIBUTION |
| PATCHOGUE COMMUNITY SERVICE FOUNDATION | PATCHOGUE, NY | $17,000 | 2026 | CHARITABLE CONTRIBUTION |
| SHARING A MEAL | SAYVILLE, NY | $10,000 | 2026 | CHARITABLE CONTRIBUTION |
| SUNSHINE PREVENTION CENTER | PORT JEFFERSON, NY | $10,000 | 2026 | CHARITABLE CONTRIBUTION |
| PATCHOGUE NEIGHBORS INN CO THE INN | HEMPSTEAD, NY | $10,000 | 2026 | CHARITABLE CONTRIBUTION |
| BOY SCOUTS OF AMERICA SUFFOLK COUNTY | MEDFORD, NY | $10,000 | 2026 | CHARITABLE CONTRIBUTION |
| PRACTICAL RESOURCES FOR CHURCHES | PATCHOGUE, NY | $10,000 | 2026 | CHARITABLE CONTRIBUTION |
| CAMP PAQUTUCK | HOLBROOK, NY | $10,000 | 2026 | CHARITABLE CONTRIBUTION |
| ATLANTIC WIND SYMPHONY | SAYVILLE, NY | $5,000 | 2026 | CHARITABLE CONTRIBUTION |
| BAFFA | SAYVILLE, NY | $5,000 | 2026 | CHARITABLE CONTRIBUTION |
| HOPE HOUSE | PORT JEFFERSON, NY | $5,000 | 2026 | CHARITABLE CONTRIBUTION |
| NORTH SHORE CHAMBER CHOIR | MILLER PLACE, NY | $5,000 | 2026 | CHARITABLE CONTRIBUTION |
| PATCHOGUE LIONESS LIONS CLUB | PATCHOGUE, NY | $500 | 2026 | CHARITABLE CONTRIBUTION |
| NYU HOSPITAL | PATCHOGUE, NY | $20,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| NYU HOSPITAL | PATCHOGUE, NY | $20,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| STONY BROOK FOUNDATION | STONY BROOK, NY | $10,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| STONY BROOK FOUNDATION | STONY BROOK, NY | $10,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| YMCA OF LONG ISLAND | GLEN COVE, NY | $5,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| YMCA OF LONG ISLAND | GLEN COVE, NY | $5,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| COMMUNITY FUNDS INC | COMMACK, NY | $5,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| COMMUNITY FUNDS INC | COMMACK, NY | $5,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| CONCERN FOR INDEPENDENT LIVING | MEDFORD, NY | $2,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| IGHL FOUNDATION | EAST MORICHES, NY | $2,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| COLBY-SAWYER COLLEGE | NEW LONDON, NH | $1,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| BOYS & GIRLS CLUB OF THE BELLPORT AREA | BELLPORT, NY | $1,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| BOYS & GIRLS CLUB OF THE BELLPORT AREA | BELLPORT, NY | $1,000,000 | 2025 | CHARITABLE CONTRIBUTION |
| COLBY-SAWYER COLLEGE | NEW LONDON, NH | $1,000,000 | 2025 | CHARITABLE CONTRIBUTION |
PATCHOGUE VILLAGE
$208,510CHARITABLE CONTRIBUTION
NATURE CONSERVENCY
$100,000CHARITABLE CONTRIBUTION
ISLAND HARVEST
$80,000CHARITABLE CONTRIBUTION
PATCHOGUE-MEDFORD YOUTH AND COMMUNITY SERVICES
$65,000CHARITABLE CONTRIBUTION
SEATUCK ENVIROMENTAL ASSOCIATION
$52,900CHARITABLE CONTRIBUTION
CANINE COMPANIONS
$50,000CHARITABLE CONTRIBUTION
AMERICAN RED CROSS
$50,000CHARITABLE CONTRIBUTION
BAYPORT-BLUE POINT SCHOOL
$45,366CHARITABLE CONTRIBUTION
NYU HOSPITAL
$45,000CHARITABLE CONTRIBUTION
BOYS & GIRLS CLUB OF THE BELLPORT AREA
$40,000CHARITABLE CONTRIBUTION
LI YOUTH MENTORING
$40,000CHARITABLE CONTRIBUTION
OPTIONS FOR COMMUNITY LIVING
$30,000CHARITABLE CONTRIBUTION
CENTER FOR ENVIRONMENTAL EDUCATION & DISCOVERY
$25,000CHARITABLE CONTRIBUTION
NEW BEGINNINGS COMMUNITY CENTER
$25,000CHARITABLE CONTRIBUTION
DEVELOPMENTAL DISABILITIES INSTITUTE
$25,000CHARITABLE CONTRIBUTION
LITERACY SUFFOLK
$25,000CHARITABLE CONTRIBUTION
MERCY CENTER MINISTRIES
$25,000CHARITABLE CONTRIBUTION
MERCY HAVEN
$20,000CHARITABLE CONTRIBUTION
PAC MOCA
$20,000CHARITABLE CONTRIBUTION
PLAZA CINEMA AND ARTS CENTER
$20,000CHARITABLE CONTRIBUTION
PATCHOGUE COMMUNITY SERVICE FOUNDATION
$17,000CHARITABLE CONTRIBUTION
SHARING A MEAL
$10,000CHARITABLE CONTRIBUTION
SUNSHINE PREVENTION CENTER
$10,000CHARITABLE CONTRIBUTION
PATCHOGUE NEIGHBORS INN CO THE INN
$10,000CHARITABLE CONTRIBUTION
BOY SCOUTS OF AMERICA SUFFOLK COUNTY
$10,000CHARITABLE CONTRIBUTION
PRACTICAL RESOURCES FOR CHURCHES
$10,000CHARITABLE CONTRIBUTION
CAMP PAQUTUCK
$10,000CHARITABLE CONTRIBUTION
ATLANTIC WIND SYMPHONY
$5,000CHARITABLE CONTRIBUTION
BAFFA
$5,000CHARITABLE CONTRIBUTION
HOPE HOUSE
$5,000CHARITABLE CONTRIBUTION
NORTH SHORE CHAMBER CHOIR
$5,000CHARITABLE CONTRIBUTION
PATCHOGUE LIONESS LIONS CLUB
$500CHARITABLE CONTRIBUTION
NYU HOSPITAL
$20,000,000CHARITABLE CONTRIBUTION
NYU HOSPITAL
$20,000,000CHARITABLE CONTRIBUTION
COMMUNITY FUNDS INC
$5,000,000CHARITABLE CONTRIBUTION
COMMUNITY FUNDS INC
$5,000,000CHARITABLE CONTRIBUTION
CONCERN FOR INDEPENDENT LIVING
$2,000,000CHARITABLE CONTRIBUTION
IGHL FOUNDATION
$2,000,000CHARITABLE CONTRIBUTION
COLBY-SAWYER COLLEGE
$1,000,000CHARITABLE CONTRIBUTION
BOYS & GIRLS CLUB OF THE BELLPORT AREA
$1,000,000CHARITABLE CONTRIBUTION
BOYS & GIRLS CLUB OF THE BELLPORT AREA
$1,000,000CHARITABLE CONTRIBUTION
COLBY-SAWYER COLLEGE
$1,000,000CHARITABLE CONTRIBUTION