The Arizona State Capitol

Grant recipient EIN 94-2842873

Who funds Skystone Foundation Inc?

8 private foundations gave Skystone Foundation Inc in Flagstaff, AZ $8.9 million across 12 grants, in tax years 2020 to 2024.

Grants listed on funders’ 990-PF returns for tax years 2020 to 2024, 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. Rubio Butterfield FoundationNew York, NY 2024

    General support.

    $7,000,000
  2. Still Water FoundationAustin, TX 2024

    Charitable - for the roden crater leadership circle.

    $100,000
  3. Fish Hawk Foundation IncBoston, MA 2024

    Roden crater project

    $25,000
  4. William Randolph Hearst FoundationNew York, NY 2023

    Support operations

    $250,000
  5. Still Water FoundationAustin, TX 2023

    Charitable - for the roden crater leadership circle.

    $100,000
  6. Barn Road FoundationTiburon, CA 2023

    General Support

    $50,000
  7. Berkowitz Contemporary Foundation IncSouth Miami, FL 2022

    General purpose

    $1,000,000
  8. Still Water FoundationAustin, TX 2022

    Charitable - for the roden crater leadership circle.

    $100,000
  9. The William Beau Wrigley Jr Foundation IncChicago, IL 2022

    Roden crater project

    $50,000
  10. Still Water FoundationAustin, TX 2021

    Charitable - for the roden crater leadership circle.

    $100,000
  11. Still Water FoundationAustin, TX 2020

    Charitable - for the roden crater leadership circle.

    $100,000
  12. Mirapaul FoundationWilmette, IL 2020

    Support for the roden crater project

    $10,000

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 94-2842873 by name and ZIP code, or by name, city and State against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.