Mount Rainier above forested ridges in Washington
Foundation Lookup

Form 990-PFTax year 2024EIN 91-1799087

The Sloan Foundation

A private foundation in Seattle, WA. Its return for tax year 2024 lists 1 grant and $2.1 million paid in grants.

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

Tax year 2024 (period ending Dec 31, 2024), 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

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

  • Tax year 2024

    $2,100,000

    Grants listed
    1
    Assets, end of year
    $39,270,343

  • Tax year 2023

    $2,000,000

    Grants listed
    1
    Assets, end of year
    $33,790,012

  • Tax year 2022

    $3,936,250

    Grants listed
    4
    Assets, end of year
    $34,791,332

  • Tax year 2021

    $2,202,250

    Grants listed
    24
    Assets, end of year
    $32,530,777

  • Tax year 2020

    $1,802,250

    Grants listed
    22
    Assets, end of year
    $34,444,025

  • Tax year 2019

    $1,750,250

    Grants listed
    16
    Assets, end of year
    $34,906,410

Grants paid in 2024

1 grant, largest first

As listed on the return.

  1. The One Eight FundBoston, MA

    Operations

    $2,100,000

Where the money goes

By State

Grants to organizations with a US address, latest year.

  1. Massachusetts1 grant $2,100,000

Officers, directors and trustees

2 people as filed

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

  • Stuart M SloanPRESIDENT Hours 1Pay $0
  • Margarat E WeilandSECRETARY Hours 1Pay $0

The return

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