Mount Rainier above forested ridges in Washington

Grant recipient EIN 52-1313011

Who funds Henry M Jackson Foundation?

3 private foundations gave Henry M Jackson Foundation in Seattle, WA -$13.7 million across 12 grants, in tax years 2018 to 2025.

Grants listed on funders’ 990-PF returns for tax years 2018 to 2025, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

12 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. William F O'Neill Charitable TrustDallas, TX 2025

    Unrestricted general

    $5,136
  2. Jean Perkins FoundationLas Vegas, NV 2024

    To support the organization's medical research program around traumatic brain injury

    $350,000
  3. William F O'Neill Charitable TrustDallas, TX 2024

    Unrestricted general

    $10,198
  4. Jean Perkins FoundationLas Vegas, NV 2023

    To support the organization's medical research program around traumatic brain injury

    $168,122
  5. William F O'Neill Charitable TrustDallas, TX 2023

    Unrestricted general

    $4,904
  6. Jean Perkins FoundationLas Vegas, NV 2022

    Qualified charitable exempt purpose

    $330,000
  7. William F O'Neill Charitable TrustDallas, TX 2022

    Unrestricted general

    $5,599
  8. William F O'Neill Charitable TrustDallas, TX 2021

    Unrestricted general

    $5,728
  9. William F O'Neill Charitable TrustDallas, TX 2020

    Unrestricted general

    $5,728
  10. Henry M Jackson EndowmentSeattle, WA 2020

    Portion of grants paid treated as distribution of corpus under treas. Reg. 53.4942(a)-3.

    -$14,613,285
  11. William F O'Neill Charitable TrustDallas, TX 2019

    Unrestricted general

    $5,728
  12. William F O'Neill Charitable TrustDallas, TX 2018

    Unrestricted general

    $4,937

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 52-1313011 by name and ZIP code against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.