Mount Rainier above forested ridges in Washington
Foundation Lookup

Form 990-PFTax year 2025EIN 91-6438273

The Wellworth Foundation

A private foundation in Redmond, WA. Its return for tax year 2025 lists 1 grant and $95,000 paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

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

    $95,000

    Grants listed
    1
    Assets, end of year
    $1,870,071

  • Tax year 2024

    $0

    Grants listed
    0
    Assets, end of year
    $1,897,909

  • Tax year 2023

    $100,000

    Grants listed
    1
    Assets, end of year
    $1,836,057

  • Tax year 2022

    $250,000

    Grants listed
    1
    Assets, end of year
    $1,875,104

  • Tax year 2021

    $0

    Grants listed
    0
    Assets, end of year
    $2,069,207

  • Tax year 2020

    $380,000

    Grants listed
    1
    Assets, end of year
    $2,002,987

  • Tax year 2019

    $0

    Grants listed
    0
    Assets, end of year
    $2,330,481

  • Tax year 2018

    $25,000

    Grants listed
    1
    Assets, end of year
    $2,289,171

Grants paid in 2025

1 grant, largest first

As listed on the return.

  1. Schwab CharitableOrlando, FL

    Thacher donor advised fund

    $95,000

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. Florida1 grant $95,000

Officers, directors and trustees

2 people as filed

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

  • David J ThacherCO-TRUSTEE Hours 3Pay $0
  • Nancy C ThacherCO-TRUSTEE Hours 1Pay $0

The return

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