The Maroon Bells above a meadow and lake near Aspen, Colorado
Foundation Lookup

Form 990-PFTax year 2025EIN 92-0910135

Mark J Heider Charitable Foundation

A private foundation in Denver, CO. Its return for tax year 2025 lists 7 grants and $773,000 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

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

  • Tax year 2025

    $773,000

    Grants listed
    7
    Assets, end of year
    $8,453,720

  • Tax year 2024

    $297,000

    Grants listed
    6
    Assets, end of year
    $8,804,546

  • Tax year 2023

    $700,000

    Grants listed
    5
    Assets, end of year
    $8,513,846

  • Tax year 2022

    $0

    Grants listed
    0
    Assets, end of year
    $0

Grants paid in 2025

7 grants, largest first

As listed on the return.

  1. St John Paul the Great Catholic High SchoolDenver, CO

    General fund

    $300,000
  2. The University of Colorado Hospital FoundationAurora, CO

    General fund

    $200,000
  3. University of DenverDenver, CO

    General fund

    $150,000
  4. St Rose of Lima AcademyDenver, CO

    General fund

    $50,000
  5. Creighton UniversityOmaha, NE

    General fund

    $50,000
  6. Denver AcademyDenver, CO

    General fund

    $20,000
  7. Denver School of the ArtsDenver, CO

    General fund

    $3,000

Where the money goes

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

  1. Education3 grants $220,000100% of the total

By State

Grants to organizations with a US address, latest year.

  1. Colorado6 grants $723,000
  2. Nebraska1 grant $50,000

Officers, directors and trustees

1 person as filed

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

  • Mark J HeiderPRESIDENT Hours 1Pay $0

The return

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