The Virginia State Capitol

Form 990-PFTax year 2025EIN 13-6034219

Cassiopeia Foundation Inc

A private foundation in Charlottesvle, VA. Its return for tax year 2025 lists 14 grants and $1.1 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

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

    $1,092,833

    Grants listed
    14
    Assets, end of year
    $48,742,119
  • Tax year 2024

    $640,500

    Grants listed
    8
    Assets, end of year
    $48,805,149
  • Tax year 2023

    $679,345

    Grants listed
    7
    Assets, end of year
    $48,239,446
  • Tax year 2022

    $1,300,475

    Grants listed
    5
    Assets, end of year
    $48,866,163
  • Tax year 2021

    $714,503

    Grants listed
    23
    Assets, end of year
    $51,360,049
  • Tax year 2020

    $7,454,215

    Grants listed
    40
    Assets, end of year
    $58,599,463

Grants paid in 2025

14 grants, largest first

As listed on the return.

  1. Haverford CollegeHaverford, PA

    Stephen Raben Miller Scholarship Fund

    $250,000
  2. Focus UltrasoundCharlottesville, VA

    For General Operating Purposes

    $250,000
  3. Blue Ridge Area Food BankVerona, VA

    Operating Expenses

    $150,000
  4. Friends of Dragon RunGloucester, VA

    For General Operating Purposes

    $150,000
  5. Saint Annes Belfield SchoolCharlottesville, VA

    General Operating Grant

    $100,000
  6. Martha Jefferson HospitalCharlottesville, VA

    Discretionary Support for Nuclear Medicine

    $100,000
  7. Milwaukee School of EngineeringMilwaukee, WI

    Scholarship Fund

    $25,000
  8. University of PennsylvaniaPhiladelphia, PA

    Discretionary grant towards scholarship fund

    $25,000
  9. Virginia PointtoPoint FoundationMiddleburg, VA

    For General Operating Purposes

    $20,000
  10. Temple Gwathmey FoundationElkton, MD

    For General Operating Purposes

    $15,333
  11. Piedmont Virginia Community CollegeCharlottesvle, VA

    Scholarship Fund

    $5,500
  12. Blue Ridge Abortion FundCharlottesvle, VA

    For General Operating Purposes

    $750
  13. The Red Tent FundArlington, VA

    For General Operating Purposes

    $750
  14. Charlottesville High SchoolCharlottesvle, VA

    Sponsor & Support

    $500

Where the money goes

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

  1. Education4 grants $305,50067% of the total
  2. Environment1 grant $150,00033% of the total
  3. Health1 grant $750<1% of the total
  4. Human services1 grant $750<1% of the total

By State

Grants to organizations with a US address, latest year.

  1. Virginia9 grants $776,750
  2. Pennsylvania2 grants $275,000
  3. Wisconsin1 grant $25,000
  4. Maryland1 grant $15,333
  5. District of Columbia1 grant $750

Officers, directors and trustees

3 people as filed

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

  • Diane Edgerton MillerCEO Trustee Hours 40Pay $315,000
  • Ethan A MillerSecretary Trustee Hours 1Pay $0
  • Zachary MillerCFO Trustee Hours 40Pay $154,800

The return

More foundations

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

  1. Smith Vicars Family FoundationCharlottesville, VA 14 grants Preselected only $1,104,500 giving
  2. The Lucille and Bruce Lambert Charitable Foundation IncSpringfield, VA 32 grants Accepts applications $1,077,500 giving
  3. The Rimora FoundationCharlottesville, VA 32 grants Preselected only $1,112,000 giving
  4. The Horizon Foundation IncGrundy, VA 38 grants Accepts applications $1,127,634 giving
  5. William A Hazel Family FoundationWarrenton, VA 22 grants Preselected only $1,045,000 giving