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Form 990-PFTax year 2025EIN 84-3114715

The Royso Foundation

A private foundation in Wilmington, DE. Its return for tax year 2025 lists 6 grants and $345,000 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

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

  • Tax year 2025

    $345,000

    Grants listed
    6
    Assets, end of year
    $7,887,872

  • Tax year 2024

    $810,000

    Grants listed
    5
    Assets, end of year
    $7,011,655

  • Tax year 2023

    $1,710,000

    Grants listed
    5
    Assets, end of year
    $7,110,300

  • Tax year 2022

    $1,170,000

    Grants listed
    7
    Assets, end of year
    $7,961,040

  • Tax year 2021

    $410,000

    Grants listed
    10
    Assets, end of year
    $10,029,848

  • Tax year 2020

    $335,000

    Grants listed
    7
    Assets, end of year
    $9,920,131

Grants paid in 2025

6 grants, largest first

As listed on the return.

  1. Idaho BasecampKetchum, ID

    Capital campaign and general support

    $250,000
  2. Massachusetts Insitutes of TechCambridge, MA

    MIT sloan annual fund and general support

    $25,000
  3. Sun Valley Summer Symphony Inc - Sun Valley Music FestivalSun Valley, ID

    General support

    $25,000
  4. Kieve Wavus Education IncNobleboro, ME

    General support

    $25,000
  5. Haymakers for Hope IncWellesley, MA

    General support

    $10,000
  6. Boys & Girls Clubs of BellevueBellevue, WA

    2025 great futures day and general support

    $10,000

Where the money goes

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

  1. Environment1 grant $250,00088% of the total
  2. Human services1 grant $25,0009% of the total
  3. Medical research1 grant $10,0004% of the total

By State

Grants to organizations with a US address, latest year.

  1. Idaho2 grants $275,000
  2. Massachusetts2 grants $35,000
  3. Maine1 grant $25,000
  4. Washington1 grant $10,000

Officers, directors and trustees

2 people as filed

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

  • Michael RowellDIRECTOR Hours 1Pay $0
  • Alexis RowellPRESIDENT, SECRETARY, TREAS., DIRECTOR Hours 1Pay $0

The return

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