Rees Stealy Research Foundation

Private foundation · Grantmaker San Diego, CA EIN: 95-1713038

Rees Stealy Research Foundation is a private foundation, based in San Diego, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $412K in total assets. In 2025, it awarded 1 grant totaling $70K. Net investment income was $25K.

Rees Stealy Research Foundation at a glance

In short: Rees Stealy Research Foundation gave $70K across 1 grant in 2025 (avg $70K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$70,000
+100.0% vs 2024
Grants made (2025)
1
+0.0% vs 2024
Average grant
$70,000
+100.0% vs 2024
Median grant
$70,000
Total assets
$411,751
+6.8% 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 Rees Stealy Research Foundation funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

San Diego State University Biology: $70KSan Diego State UniversityBiology$70K

The largest 2025 recipient was San Diego State University Biology ($70K).

Grant Size Distribution

5 grants across all recorded years

2<$50K3$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was in the $50–100K range: 3 grants of 5 (60%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

Share of the 2025 grant dollars on its one itemized grant.

States

Cities

San Diego

How Rees Stealy Research Foundation gives

  • Giving grew 133% from 2022 to 2025. Method
  • In 2025 it paid out 381% of its IRS minimum distribution (the 5% rule). 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

$0$25K$50K$75K$100K1 grant2020 1 grant2021 1 grant2022 1 grant2023 1 grant2024 1 grant2025

From 2020 to 2025, annual grant giving ranged from $25K (2020) to $95K (2023). In 2025 it made 1 grant totaling $70K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
San Diego State University Biology San Diego, CAFunding Biomedical Research.$70,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$411,751$90,588$80,719$70,0001$75,871$25,280$19,902
2024$385,493$84,353$43,436$35,0001$39,868$24,769$18,052
2023$338,183$72,702$104,877$95,0001$100,654$11,457$16,966
2022$348,755$84,610$39,520$30,0001$35,833$18,955$17,094
2021$363,022$87,080$89,286$80,0001$89,286$29,076$18,899
2020$353,947$64,872$31,553$25,0001—$13,785$16,416

Under IRS private-foundation payout rules, Rees Stealy Research Foundation reported a distributable amount of $20K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Rees Stealy Research Foundation is led by Stephen F. Treadgold, Chairman on every filing since 2020; none of the 12 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Stephen F. Treadgold

    Chairman

    On filings since 2020

    1 hr/week

    No compensation reported

  • Betty Peabody

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Douglas Arbon MD

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Michael Hennessy

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Robert Bohrer

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Wayne Kennedy

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

  • Stanley Maloy

    Director

    On filings since 2023

    1 hr/week

    No compensation reported

  • Elise Streicher

    Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • Michael Goodman

    Director

    New on the 2025 filing

    1 hr/week

    No compensation reported

  • R. Bruce Johnson MD

    Secretary

    Assistant Secretary → Secretary, 2025

    On filings since 2020

    1 hr/week

    No compensation reported

  • Richard D. O'Connor MD

    Vice Chairman

    On filings since 2020

    1 hr/week

    No compensation reported

  • Cameron Williams

    Treasurer

    New on the 2025 filing

    1 hr/week

    No compensation reported

Former officers (7)
  • Former: A. Stephen Dahms (2020–2024) — Director
  • Former: Samuel Carpenter (2020–2024) — Director
  • Former: Suzanne Spafford (2020–2024) — Secretary
  • Former: Donald V. Tartre (2020–2022) — Treasurer
  • Former: Nancy Aeling (2022) — Director
  • Former: George C. Jessop (2020–2021) — Director
  • Former: Joel Smith MD (2020–2021) — Director

Data from IRS Form 990 filings, 2020–2025. "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 Rees Stealy Research Foundation

How much does Rees Stealy Research Foundation give each year?

Rees Stealy Research Foundation gave $70K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $35K across 1 grant.

How large is Rees Stealy Research Foundation?

Rees Stealy Research Foundation reported $412K in total assets on its 2025 IRS Form 990-PF. It paid out $76K in qualifying distributions that year, against a required minimum of $20K (roughly 5% of its investment assets).

Where does Rees Stealy Research Foundation operate?

Rees Stealy Research Foundation has awarded grants in California.

What is Rees Stealy Research Foundation's EIN?

Rees Stealy Research Foundation's EIN (Employer Identification Number) is 95-1713038. IRS Form 990 filing data is available on this page for 2020–2025.

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

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS June 30, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Rees Stealy Research Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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