Primordium Foundation
Primordium Foundation is a private foundation, based in Covina, CA. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $5.1M in total assets. In 2025, it awarded 1 grant totaling $58K. Net investment income was $183K.
Primordium Foundation at a glance
In short: Primordium Foundation gave $58K across 1 grant in 2025 (avg $58K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $57,883
- -55.2% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $57,883
- -55.2% vs 2024
- Median grant
- $57,883
- Total assets
- $5,142,760
- +2.3% vs 2024
- Primary geography
- California (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Primordium Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Michael Rubel ($58K).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $50–100K range: 2 grants of 5 (40%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Primordium Foundation gives
- Giving fell 90% from 2022 to 2025. Method
- In 2025 it paid out 21% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2025, annual grant giving ranged from $58K (2025) to $595K (2022). In 2025 it made 1 grant totaling $58K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Michael Rubel Burbank, CA | The purpose of the telescope project is to enhance scientific observations in deep space for scientific and educational purposes. | $57,883 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $5,142,760 | $230,999 | $108,409 | $57,883 | 1 | $60,330 | $182,920 | $287,064 |
| 2024 | $5,028,627 | $399,797 | $176,131 | $129,137 | 1 | $131,541 | $355,207 | $265,013 |
| 2023 | $4,817,870 | $199,820 | $179,513 | $132,373 | 1 | $135,617 | $155,923 | $242,155 |
| 2022 | $4,801,486 | $-11,499 | $626,885 | $595,492 | 2 | $600,827 | $31,151 | $237,174 |
| 2021 | $5,509,961 | $5,449,041 | $8,000 | — | — | $8,000 | $5,509,961 | — |
Under IRS private-foundation payout rules, Primordium Foundation reported a distributable amount of $287K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Primordium Foundation is led by Erika Reinhardt, Director & President on every filing since 2021; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Erika Reinhardt
Director & President
On filings since 2021
No compensation reported
Peter Reinhardt
Director, Treasurer & Secretary
On filings since 2021
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Primordium Foundation
How much does Primordium Foundation give each year?
Primordium Foundation gave $58K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $129K across 1 grant.
How large is Primordium Foundation?
Primordium Foundation reported $5.1M in total assets on its 2025 IRS Form 990-PF. It paid out $60K in qualifying distributions that year, against a required minimum of $287K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
Where does Primordium Foundation operate?
Primordium Foundation has awarded grants in California.
What is Primordium Foundation's EIN?
Primordium Foundation's EIN (Employer Identification Number) is 87-3791346. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 14, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work Primordium Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
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Browse active grant opportunities in Primordium Foundation's focus areas in our free grants database
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