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Form 990-PFTax year 2025EIN 87-3791346

Primordium Foundation

A private foundation in Covina, CA. Its return for tax year 2025 lists 1 grant and $57,883 paid in grants.

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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

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

  • Tax year 2025

    $57,883

    Grants listed
    1
    Assets, end of year
    $5,142,760

  • Tax year 2024

    $129,137

    Grants listed
    1
    Assets, end of year
    $5,028,627

  • Tax year 2023

    $132,373

    Grants listed
    1
    Assets, end of year
    $4,817,870

  • Tax year 2022

    $595,492

    Grants listed
    2
    Assets, end of year
    $4,801,486

  • Tax year 2021

    $0

    Grants listed
    0
    Assets, end of year
    $5,509,961

Grants paid in 2025

1 grant, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Individual

    The purpose of the telescope project is to enhance scientific observations in deep space for scientific and educational purposes.

    $57,883

Officers, directors and trustees

2 people as filed

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

  • Erika ReinhardtDIRECTOR/PRESIDENT Hours 0Pay $0
  • Peter ReinhardtDIRECTOR/TREASURER/SECRETARY Hours 0Pay $0

The return

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