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Foundation Lookup

Form 990-PFTax year 2025EIN 34-1817950

The Jeffrey Horvitz Foundation

A private foundation in Columbus, OH. Its return for tax year 2025 lists 9 grants and $1.6 million paid in grants.

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Tax year 2025 (period ending Dec 31, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2025

    $1,568,500

    Grants listed
    9
    Assets, end of year
    $980,875

  • Tax year 2024

    $97,000

    Grants listed
    8
    Assets, end of year
    $45,479

  • Tax year 2023

    $83,000

    Grants listed
    13
    Assets, end of year
    $143,647

  • Tax year 2022

    $245,570

    Grants listed
    13
    Assets, end of year
    $126,862

  • Tax year 2021

    $147,000

    Grants listed
    11
    Assets, end of year
    $261,936

  • Tax year 2020

    $357,000

    Grants listed
    20
    Assets, end of year
    $89,796

  • Tax year 2019

    $228,000

    Grants listed
    10
    Assets, end of year
    $297,423

  • Tax year 2018

    $328,600

    Grants listed
    22
    Assets, end of year
    $527,363

Grants paid in 2025

9 grants, largest first

As listed on the return.

  1. The University of Massachusetts Foundation IncNewton, MA

    Caroline h. Horvitz professorship in mediterranean archaeology

    $1,500,000
  2. The University of MiamiCoral Gables, FL

    General & unrestricted

    $25,000
  3. Santa Clara UniversitySanta Clara, CA

    General & unrestricted

    $12,500
  4. Boston Community PediatricsMansfield, MA

    General & unrestricted

    $10,000
  5. The Ocean Genome Legacy CenterNahant, MA

    General & unrestricted

    $10,000
  6. Joslin Diabetes CenterBoston, MA

    Joslin asian american diabetes fund

    $5,000
  7. Epiphany SchoolDorchester, MA

    General & unrestricted

    $2,500
  8. University of Florida Foundation IncGainesville, FL

    Horvitz japanese ceramics fund

    $2,500
  9. The Trustee of ReservationsBeverly, MA

    General & unrestricted

    $1,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education5 grants $1,542,50099% of the total
  2. Health2 grants $15,000<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts6 grants $1,528,500
  2. Florida2 grants $27,500
  3. California1 grant $12,500

Officers, directors and trustees

3 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Jeffrey E HorvitzPRESIDENT Hours 1Pay $0
  • Paul RussoTREASURER Hours 1Pay $0
  • Kathryn SloanSECRETARY Hours 1Pay $0

The return

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