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

Form 990-PFTax year 2025EIN 84-1612524

The Armstrong Foundation

A private foundation in Denver, CO. Its return for tax year 2025 lists 23 grants and $6.4 million paid in grants.

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

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2025

    $6,393,726

    Grants listed
    23
    Assets, end of year
    $27,951,650
  • Tax year 2024

    $636,078

    Grants listed
    20
    Assets, end of year
    $20,015,890
  • Tax year 2023

    $382,347

    Grants listed
    18
    Assets, end of year
    $19,223,702
  • Tax year 2022

    $472,967

    Grants listed
    12
    Assets, end of year
    $17,879,701
  • Tax year 2021

    $2,597,513

    Grants listed
    20
    Assets, end of year
    $15,272,297
  • Tax year 2020

    $3,625,225

    Grants listed
    17
    Assets, end of year
    $14,475,801
  • Tax year 2019

    $2,444,850

    Grants listed
    19
    Assets, end of year
    $17,923,163
  • Tax year 2018

    $2,099,850

    Grants listed
    22
    Assets, end of year
    $20,134,909

Grants paid in 2025

23 grants, largest first

As listed on the return.

  1. Southern Methodist UniversityDallas, TX

    General fund

    $4,569,426
  2. Children's Hospital Colorado FoundationAurora, CO

    General fund

    $750,000
  3. The School of American BalletNew York, NY

    General fund

    $525,000
  4. George W Bush Presidential CenterDallas, TX

    General fund

    $150,000
  5. St Martin's Episcopal SchoolBrookhaven, GA

    General fund

    $125,000
  6. Westminster SchoolSimsbury, CT

    General fund

    $50,750
  7. Southwestern Medical FoundationDallas, TX

    General fund

    $50,000
  8. Colorado BalletDenver, CO

    General fund

    $40,000
  9. St Michael's Episcopal SchoolRichmond, VA

    General fund

    $25,250
  10. Highland Park UMCDallas, TX

    General fund

    $25,000
  11. New York City BalletNew York, NY

    General fund

    $15,000
  12. Athletes UnitedGardnerville, NV

    General fund

    $10,000
  13. Friends of the Washington Statue IncMcLean, VA

    General fund

    $10,000
  14. Lincoln CenterNew York, NY

    General fund

    $10,000
  15. One Chance to Grow UpDenver, CO

    General fund

    $10,000
  16. Trinity Park ConservancyDallas, TX

    General fund

    $10,000
  17. Gold CrownDenver, CO

    General fund

    $5,000
  18. Pediatric Brain Tumor FoundationWinston Salem, NC

    General fund

    $5,000
  19. Klyde Warren ParkDallas, TX

    General fund

    $2,500
  20. Project UnityDallas, TX

    General fund

    $2,500
  21. St Anne's Episcopal SchoolDenver, CO

    General fund

    $1,300
  22. Central City OperaDenver, CO

    General fund

    $1,000
  23. Denver Art MuseumDenver, CO

    General fund

    $1,000

Where the money goes

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

  1. Health1 grant $750,00045% of the total
  2. Arts and culture5 grants $591,00035% of the total
  3. Education3 grants $325,00019% of the total
  4. Community development1 grant $10,000<1% of the total
  5. Sports and recreation1 grant $2,500<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. Texas7 grants $4,809,426
  2. Colorado7 grants $808,300
  3. New York3 grants $550,000
  4. Georgia1 grant $125,000
  5. Connecticut1 grant $50,750
  6. Virginia2 grants $35,250
  7. Nevada1 grant $10,000
  8. North Carolina1 grant $5,000

Officers, directors and trustees

2 people as filed

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

  • William ArmstrongDIRECTOR Hours 2Pay $0
  • Elisabeth ArmstrongDIRECTOR Hours 2Pay $0

The return

More foundations

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Same main cause (health), giving between a quarter and four times this foundation’s where possible, nearby first.

  1. The Galena FoundationDenver, CO 23 grants Accepts applications $6,305,421 giving
  2. Society of Family PlanningDenver, CO 61 grants Preselected only $4,490,400 giving
  3. The Anna and John J Sie FoundationDenver, CO 46 grants Preselected only $3,533,065 giving
  4. The Ovintiv FoundationDenver, CO 3 grants Preselected only $2,175,143 giving
  5. Borgen Family FoundationDenver, CO 42 grants Preselected only $1,772,000 giving