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    3. Herrnstein Family Foundation
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    Herrnstein Family Foundation

    ActivePhilanthropy & Voluntarism
    NEW YORK, NYWebsite6462547430

    About Herrnstein Family Foundation

    The Herrnstein Family Foundation concentrates its giving almost exclusively on strengthening nonprofit healthcare support organizations, primarily through large, direct grants to providers of hospital support services and platforms. Funding is highly concentrated in a very small set of recipients (notably repeated, multi-million-dollar awards to PivotWorks) and includes targeted support for patient-family services such as Ronald McDonald House in the New York area. Grants are typically sizable and program/operations–oriented rather than broadly diversified across sectors.

    Focus Areas

    Operational and capacity support for nonprofit healthcare support organizations (platforms and back-office services)Enterprise platforms/consulting for hospital support nonprofits (PivotWorks-type operations)Patient and family lodging/support for pediatric patients in the New York metro (Ronald McDonald House)Capacity-building and infrastructure grants for healthcare mission support organizations

    Who They Fund

    patients served by nonprofit healthcare organizationsdental patients in Madagascarinternational/overseas communities (Madagascar)

    About Herrnstein Family Foundation

    The Herrnstein Family Foundation’s clearest pattern is repeated multi-year support for healthcare support organizations, led by three very large grants to Pivotworks Inc in 2023, 2024, and 2025. Those awards were described as helping “the support organizations healthcare mission,” and they show a funder that concentrates dollars in a small set of mission-aligned nonprofits rather than spreading grants widely. That same pattern appears in its support for patient and family services in the New York area. Ronald Mcdonald House Charities New York Metro received $250,000 in 2023, placing family-facing support alongside infrastructure-oriented healthcare grants. The foundation also extends beyond direct patient support into related mission areas such as dental outreach in Madagascar and Center ValBio programming through Stony Brook Foundation Inc, indicating an interest in both service delivery and the platforms that sustain it. Recent grants also include health-research and allied nonprofit support organizations such as Partners in Health, Last Mile Health, and Integrate Health. The overall picture is of a regular funder that gives direct, often program-linked grants to organizations working in healthcare delivery, healthcare support services, and related mission infrastructure.

    What Herrnstein Family Foundation Funds

    A core theme is support for healthcare mission infrastructure. In 2024, The Herrnstein Family Foundation gave $10,000 to King Baudouin Foundation United States to help the support organizations healthcare mission, and in 2024 it gave $5,000 to Cold Spring Harbor Laboratory for the same general purpose. These grants sit alongside larger commitments to organizations that assist other healthcare providers. Another visible area is dental outreach and research connected to Madagascar. In 2024, the foundation gave $100,000 to Stony Brook Foundation Inc for “dental outreach Madagascar and Center ValBio program,” and it repeated support with a $50,000 grant in 2023 for the same purpose. That pairing links the funder to both hands-on outreach and a research or field program. Education and youth-serving work also appear in the grant list. Children and Screens received $60,000 in 2024 and $50,000 in 2023, both for its exempt mission. Autism Nature Trail received $25,000 in 2024 and again in 2025.

    How Herrnstein Family Foundation Gives

    Financial Snapshot

    Annual Giving

    $5.8M

    Total Assets

    $79.5M

    Total Revenue

    $15.6M

    Total Expenses

    $6.1M

    Typical Grant Size

    Most grants fall between $5K and $50K, with a median of $10K.

    25th Percentile

    $5K

    Median

    $10K

    75th Percentile

    $50K

    Geographic Reach

    Regional6 states funded
    Funding intensity
    Low
    High
    Headquarters

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    Privacy PolicyTerms of ServiceYour privacy choicesEnvironmental footprintSystem Status
    EIN (Tax ID): 46-1591770Latest Form 990: 2026Total assets: $79.5M4 filings on recordFind their full 990 filing →
    See If You're a Fit — FreeFree account · instant fit score · similar funders
    nonprofit healthcare providers/organizations

    Giving Approach

    Very concentrated giving: few, very large grants with repeat funding to the same lead grantee(s); primarily unrestricted or program support for health-related organizations, geographically focused on New York/NY metro.

    Funding Style

    program-specific supportmission-aligned (healthcare) fundingdirect service supportinternational project funding

    Notable grantees: PIVOTWORKS INC / PIVOT WORKS INC (repeat multi-million dollar recipient), RONALD MCDONALD HOUSE CHARITIES NEW YORK METRO

    Topics

    healthcare service deliverydental outreach (Madagascar)support for nonprofit health programssupport for Center ValBio program

    The typical grant size is modest relative to the foundation’s large awards: p25 is $5,000, median is $10,000, and p75 is $50,000. The distribution shows a steep split between a few very large grants and many smaller awards. Recipients do appear across multiple years, including repeated support for several organizations and a multi-year pattern of giving. The foundation is a regular funder, not a DAF, and it does not fund individuals or make program-related investments. Unsolicited applications are not accepted in the discretionary grantmaking program described here.

    Where Herrnstein Family Foundation Makes Grants

    The grant geography is overwhelmingly U.S.-based, with 33 grants to U.S. recipients. New York is the top state by grant count, and 52% of grants go to recipients in the HQ state. Within that pattern, New York recipients include New Hyde Park, Jericho, Castile, Saint James, New York, and Cold Spring Harbor. Outside New York, grants also went to Boston, Nashville, San Francisco, Durango, and Medway, showing a regional but not exclusive New York concentration.

    Frequently Asked Questions About Herrnstein Family Foundation

    What kinds of organizations does The Herrnstein Family Foundation support most often?

    Its recent grantmaking centers on nonprofit healthcare support organizations, especially groups that provide operational, platform, or back-office help to healthcare missions. The grant list also includes patient-family support, dental outreach in Madagascar, and related education or conservation-linked work.

    Does the foundation accept unsolicited applications?

    Not through the discretionary grantmaking program described in the data. The “Discretionary Grantmaking (Global Health, Conservation, Education)” program is marked as not accepting unsolicited applications.

    What is the typical grant size?

    The typical grant size is $5,000 at the 25th percentile, $10,000 at the median, and $50,000 at the 75th percentile. That range sits alongside a few very large awards in the multi-million-dollar range.

    Is the giving concentrated in one place?

    Yes. New York is the top state by grant count, and 52% of grants go to recipients in the foundation’s HQ state. Recent New York recipients include New Hyde Park, Jericho, Castile, Saint James, New York, and Cold Spring Harbor.

    What are the main focus areas in the active programs?

    The active programs emphasize global health, education, and conservation, with an added focus on capacity building and scientific research. One program also supports researchers working closely with vulnerable health care systems through a five-year unrestricted award.

    Latest 990 Filing

    2026

    Source: IRS Form 990-PF, fiscal year 2026.

    Recent Grants

    Most recent grants reported to the IRS.

    RecipientLocationAmountYearPurpose
    STONY BROOK FOUNDATION INCSTONY BROOK, NY$3,600,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    PIVOT WORKS INCRANDOLPH, MA$1,526,7412026TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    PRESIDENT & FELLOWS OF HARVARD COLLEGECAMBRIDGE, MA$400,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    CONSERVATION LANDS FOUNDATION INCDURANGO, CO$75,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    COLD SPRING HARBOR LABORATORYCOLD SPRING HARBOR, NY$55,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    PARTNERS IN HEALTHBOSTON, MA$50,0002026TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION
    CHILDREN AND SCREENSJERICHO, NY$50,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    AUTISM NATURE TRAILCASTILE, NY$25,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    LONG ISLAND EXPLORIUMPORT JEFFERSON, NY$25,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    LAST MILE HEALTHBOSTON, MA$5,0002026TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    LWALA COMMUNITY ALLIANCENASHVILLE, TN$5,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    FEDERATION OF TAMIL SANGAMS OF NORTH AMERICASAINT JAMES, NY$5,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    GIVE POWER FOUNDATIONAUSTIN, TX$5,0002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    BRIDGE TO ENTER ADVANCED MATHEMATICSNEW YORK, NY$2,5002026TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    PIVOT WORKS INCRANDOLPH, MA$2,245,4662025TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    CONSERVATION LANDS FOUNDATION INCDURANGO, CO$75,0002025TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    CHILDREN AND SCREENSJERICHO, NY$50,0002025TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    PARTNERS IN HEALTHBOSTON, MA$50,0002025TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION
    AUTISM NATURE TRAILCASTILE, NY$25,0002025TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    FEDERATION OF TAMIL SANGAMS OF NORTH AMERICASAINT JAMES, NY$10,0002025TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    HARBOR COUNTRY DAY SCHOOLSAINT JAMES, NY$10,0002025TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    LWALA COMMUNITY ALLIANCENASHVILLE, TN$5,0002025TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    LAST MILE HEALTHBOSTON, MA$5,0002025TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    BRIDGE TO ENTER ADVANCED MATHEMATICSNEW YORK, NY$2,5002025TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    PIVOTWORKS INCBOSTON, MA$2,276,8412024TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    STONY BROOK FOUNDATION INCSTONY BROOK, NY$100,0002024TO HELP THE SUPPORT ORGANIZATIONS DENTAL OUTREACH MADAGASCAR AND CENTER VALBIO PROGRAM.
    CHILDREN AND SCREENSJERICHO, NY$60,0002024TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    PARTNERS IN HEALTHBOSTON, MA$50,0002024TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION
    AUTISM NATURE TRAILCASTILE, NY$25,0002024TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    LAST MILE HEALTHBOSTON, MA$10,0002024TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    KING BAUDOUIN FOUNDATION UNITED STATESNEW YORK, NY$10,0002024TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    COLD SPRING HARBOR LABORATORYCOLD SPRING HARBOR, NY$5,0002024TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    MUSOSAN FRANCISCO, CA$5,0002024TO FULFILL THE ORGANIZATION'S EXEMPT PURPOSE
    LWALA COMMUNITY ALLIANCENASHVILLE, TN$5,0002024TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    EQUAL JUSTICE INITIATIVENEW YORK, NY$5,0002024TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    NY CANCER FOUNDATIONSHIRLEY, NY$2,5002024TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    PIVOTWORKS INCBOSTON, MA$1,710,0042023TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    RONALD MCDONALD HOUSE CHARITIES NEW YORK METRONEW HYDE PARK, NY$250,0002023TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    STONY BROOK FOUNDATION INCSTONY BROOK, NY$50,0002023TO HELP THE SUPPORT ORGANIZATIONS DENTAL OUTREACH MADAGASCAR AND CENTER VALBIO PROGRAM.
    CHILDREN AND SCREENSJERICHO, NY$50,0002023TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    PARTNERS IN HEALTHBOSTON, MA$50,0002023TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION
    EQUAL JUSTICE INITIATIVENEW YORK, NY$5,0002023TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    AMANI GLOBALNEW YORK, NY$5,0002023TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    LAST MILE HEALTHBOSTON, MA$5,0002023TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.
    LWALA COMMUNITY ALLIANCENASHVILLE, TN$5,0002023TO FULFILL THE ORGANIZATION'S EXEMPT MISSION
    MUSOSAN FRANCISCO, CA$5,0002023TO FULFILL THE ORGANIZATION'S EXEMPT PURPOSE
    INTEGRATE HEALTHMEDWAY, MA$5,0002023TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    STONY BROOK FOUNDATION INC

    $3,600,000
    STONY BROOK, NY2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    PIVOT WORKS INC

    $1,526,741
    RANDOLPH, MA2026

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    PRESIDENT & FELLOWS OF HARVARD COLLEGE

    $400,000
    CAMBRIDGE, MA2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    CONSERVATION LANDS FOUNDATION INC

    $75,000
    DURANGO, CO2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    COLD SPRING HARBOR LABORATORY

    $55,000
    COLD SPRING HARBOR, NY
    2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    PARTNERS IN HEALTH

    $50,000
    BOSTON, MA2026

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION

    CHILDREN AND SCREENS

    $50,000
    JERICHO, NY2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    AUTISM NATURE TRAIL

    $25,000
    CASTILE, NY2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    LONG ISLAND EXPLORIUM

    $25,000
    PORT JEFFERSON, NY2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    LAST MILE HEALTH

    $5,000
    BOSTON, MA2026

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    LWALA COMMUNITY ALLIANCE

    $5,000
    NASHVILLE, TN2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    FEDERATION OF TAMIL SANGAMS OF NORTH AMERICA

    $5,000
    SAINT JAMES, NY2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    GIVE POWER FOUNDATION

    $5,000
    AUSTIN, TX2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    BRIDGE TO ENTER ADVANCED MATHEMATICS

    $2,500
    NEW YORK, NY2026

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    PIVOT WORKS INC

    $2,245,466
    RANDOLPH, MA2025

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    CONSERVATION LANDS FOUNDATION INC

    $75,000
    DURANGO, CO2025

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    CHILDREN AND SCREENS

    $50,000
    JERICHO, NY2025

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    PARTNERS IN HEALTH

    $50,000
    BOSTON, MA2025

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION

    AUTISM NATURE TRAIL

    $25,000
    CASTILE, NY2025

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    FEDERATION OF TAMIL SANGAMS OF NORTH AMERICA

    $10,000
    SAINT JAMES, NY2025

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    HARBOR COUNTRY DAY SCHOOL

    $10,000
    SAINT JAMES, NY2025

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    LWALA COMMUNITY ALLIANCE

    $5,000
    NASHVILLE, TN2025

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    LAST MILE HEALTH

    $5,000
    BOSTON, MA2025

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    BRIDGE TO ENTER ADVANCED MATHEMATICS

    $2,500
    NEW YORK, NY2025

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    PIVOTWORKS INC

    $2,276,841
    BOSTON, MA2024

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    STONY BROOK FOUNDATION INC

    $100,000
    STONY BROOK, NY2024

    TO HELP THE SUPPORT ORGANIZATIONS DENTAL OUTREACH MADAGASCAR AND CENTER VALBIO PROGRAM.

    CHILDREN AND SCREENS

    $60,000
    JERICHO, NY2024

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    PARTNERS IN HEALTH

    $50,000
    BOSTON, MA2024

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION

    AUTISM NATURE TRAIL

    $25,000
    CASTILE, NY2024

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    LAST MILE HEALTH

    $10,000
    BOSTON, MA2024

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    KING BAUDOUIN FOUNDATION UNITED STATES

    $10,000
    NEW YORK, NY2024

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    COLD SPRING HARBOR LABORATORY

    $5,000
    COLD SPRING HARBOR, NY2024

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    MUSO

    $5,000
    SAN FRANCISCO, CA2024

    TO FULFILL THE ORGANIZATION'S EXEMPT PURPOSE

    LWALA COMMUNITY ALLIANCE

    $5,000
    NASHVILLE, TN2024

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    EQUAL JUSTICE INITIATIVE

    $5,000
    NEW YORK, NY2024

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    NY CANCER FOUNDATION

    $2,500
    SHIRLEY, NY2024

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    PIVOTWORKS INC

    $1,710,004
    BOSTON, MA2023

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    RONALD MCDONALD HOUSE CHARITIES NEW YORK METRO

    $250,000
    NEW HYDE PARK, NY2023

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    STONY BROOK FOUNDATION INC

    $50,000
    STONY BROOK, NY2023

    TO HELP THE SUPPORT ORGANIZATIONS DENTAL OUTREACH MADAGASCAR AND CENTER VALBIO PROGRAM.

    CHILDREN AND SCREENS

    $50,000
    JERICHO, NY2023

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    PARTNERS IN HEALTH

    $50,000
    BOSTON, MA2023

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION

    EQUAL JUSTICE INITIATIVE

    $5,000
    NEW YORK, NY2023

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    AMANI GLOBAL

    $5,000
    NEW YORK, NY2023

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    LAST MILE HEALTH

    $5,000
    BOSTON, MA2023

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.

    LWALA COMMUNITY ALLIANCE

    $5,000
    NASHVILLE, TN2023

    TO FULFILL THE ORGANIZATION'S EXEMPT MISSION

    MUSO

    $5,000
    SAN FRANCISCO, CA2023

    TO FULFILL THE ORGANIZATION'S EXEMPT PURPOSE

    INTEGRATE HEALTH

    $5,000
    MEDWAY, MA2023

    TO HELP THE SUPPORT ORGANIZATIONS HEALTHCARE MISSION.