Mark J Heider Charitable Foundation
Invitation OnlyDenver, Colorado · EIN 92-0910135 · Private foundation
Grants paid (2025)$773K
Organizations funded7
Typical grant$50,000
Total assets$13.5M
Half of its grants to organizations were between $20,000 and $200,000.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
14% of grants went outside Colorado.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| St John Paul the Great Catholic High School | Denver, CO | General fund | $300,000 |
| The University of Colorado Hospital Foundation | Aurora, CO | General fund | $200,000 |
| University of Denver | Denver, CO | General fund | $150,000 |
| St Rose of Lima Academy | Denver, CO | General fund | $50,000 |
| Creighton University | Omaha, NE | General fund | $50,000 |
| Denver Academy | Denver, CO | General fund | $20,000 |
| Denver School of the Arts | Denver, CO | General fund | $3,000 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $773,000 | 7 |
| 2024 | $297,000 | 6 |
| 2023 | $700,000 | 5 |
Sources
- IRS Form 990-PF, tax year 2025, filed Apr 16, 2026 - IRS e-file batch, object ID 202641069349100519
- IRS Tax Exempt Organization Search for EIN 92-0910135
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.