St John Paul the Great Catholic High School
Denver, CO
$300KTax year 2025
General fund
Foundation directory
Mark J Heider Charitable Foundation Grants
Private foundation · EIN 92-0910135 · IRS 990-PF filings through tax year 2025
Future commitments are grants the foundation has reported but not yet paid.
How to apply
This foundation reports on its 990-PF that it only makes contributions to preselected organizations and does not accept unsolicited applications.
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Original filing text
Reported organization name: MARK J HEIDER CHARITABLE FOUNDATION
Giving by tax year
Year-level totals across every reported grant in this profile — a summary, not a filter. The awards further down are the largest individual grants across all years, not each year's complete list.
| Tax year | Grants paid | Amount |
|---|---|---|
| 2025 | 7 | $773K |
| 2024 | 6 | $297K |
Where Mark J Heider Charitable Foundation gives
States of grant recipients reported on the foundation's 990-PF filings, by dollars received.
Largest reported grants
Historical awards reported to the IRS. These are examples of past giving, not open opportunities.
The University of Colorado Hospital Foundation
Aurora, CO
$200KTax year 2025
General fund
University of Denver
Denver, CO
$150KTax year 2025
General fund
St John Vianney Seminary
Denver, CO
$100KTax year 2024
General fund
Denver Academy
Denver, CO
$85KTax year 2024
General fund
Showing 5 of the 13 largest grants (13 reported in all).
See all 13 grants from Mark J Heider Charitable Foundation: sort and filter by purpose, state and year.
Start freeAbout this data
Figures are aggregated from Mark J Heider Charitable Foundation's IRS Form 990-PF electronic filings (2 filings on file, most recent tax year 2025). Totals reflect grants the foundation reported as paid, and can lag the current year because foundations file annually and often on extension. Source: IRS 990-PF filing on ProPublica. Raw e-file archive (ZIP) — a large IRS yearly archive download.
Other foundations giving in Colorado
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