The Wetterau Family Foundation
The Wetterau Family Foundation is a private foundation, based in St. Louis, MO. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $2.6M in total assets. In 2025, it awarded 4 grants totaling $475K. Net investment income was $125K.
The Wetterau Family Foundation at a glance
In short: The Wetterau Family Foundation gave $475K across 4 grants in 2025 (avg $119K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $475,000
- +505.9% vs 2024
- Grants made (2025)
- 4
- +33.3% vs 2024
- Average grant
- $118,750
- +354.4% vs 2024
- Median grant
- $27,500
- Total assets
- $2,606,396
- -11.5% 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 The Wetterau Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was City of Hope ($400K). Together the top 4 received $475K.
Grant Size Distribution
7 grants across all recorded years
The most common grant size was under $50K: 5 grants of 7 (71%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
States
Cities
How The Wetterau Family Foundation gives
- In 2025 it paid out 306% 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
From 2019 to 2025, annual grant giving ranged from $22K (2020) to $475K (2025). In 2025 it made 4 grants totaling $475K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| City of Hope Duarte, CA | Dedicated to making a difference for people with cancer | $400,000 |
| Friends of Normie Newport Beach, CA | Rescuing, Fostering, and Re-Homing Stray Cats and Kittens | $30,000 |
| Sunnyside Lone Star Little League Fresno, CA | Provide a competitive youth baseball program operated under the rules and regulations of little league baseball, inc., with the goal of teaching children good sportsmanship, honesty, loyalty, respect for one another, and helping them become good citizens in their community | $25,000 |
| Discovery Cube Santa Ana, CA | To inspire and educate young minds through science-based programs | $20,000 |
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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 | $2,606,396 | $142,207 | $479,748 | $475,000 | 4 | $475,000 | $124,766 | $155,159 |
| 2024 | $2,943,937 | $102,766 | $82,562 | $78,392 | 3 | $78,392 | $101,783 | $146,178 |
| 2023 | $2,923,733 | $2,865,340 | $1,020 | — | — | — | $12,049 | $26,210 |
| 2022 | $59,413 | — | $1,000 | — | — | — | — | $2,937 |
| 2021 | $60,413 | — | $2,000 | — | — | — | — | $2,998 |
| 2020 | $62,413 | — | $24,000 | $22,000 | 1 | — | — | $3,935 |
| 2019 | $86,298 | — | $50,800 | $49,000 | 2 | — | — | $5,334 |
Under IRS private-foundation payout rules, The Wetterau Family Foundation reported a distributable amount of $155K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The Wetterau Family Foundation's only listed officer is W5 Family Trust Company LLC, Trustee on every filing since 2023 (uncompensated).
Officers on the 2025 filing
W5 Family Trust Company LLC
Trustee
On filings since 2023
1 hr/week
No compensation reported
Former officers (5)
- Former: Elizabeth W. Harbison (2019–2022) — Co-Trustee
- Former: Mark S. Wetterau (2019–2022) — Co-Trustee
- Former: Paul L. Vogel (2019–2022) — Co-Trustee
- Former: T. Conrad Wetterau (2019–2022) — Co-Trustee
- Former: Helen K. Wetterau (2019) — Co-Trustee
Data from IRS Form 990 filings, 2019–2025. "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 The Wetterau Family Foundation
How much does The Wetterau Family Foundation give each year?
The Wetterau Family Foundation gave $475K across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $78K across 3 grants.
What is The Wetterau Family Foundation's typical grant size?
The Wetterau Family Foundation's median grant in 2025 was $27,500, and its average grant was $118,750, across 4 grants on its 2025 IRS Form 990-PF.
Where does The Wetterau Family Foundation give grants?
The Wetterau Family Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there.
Does The Wetterau Family Foundation give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on The Wetterau Family Foundation's 2025 IRS Form 990-PF were described as general or operating support.
How large is The Wetterau Family Foundation?
The Wetterau Family Foundation reported $2.6M in total assets on its 2025 IRS Form 990-PF. It paid out $475K in qualifying distributions that year, against a required minimum of $155K (roughly 5% of its investment assets).
What is The Wetterau Family Foundation's EIN?
The Wetterau Family Foundation's EIN (Employer Identification Number) is 43-1619527. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS February 13, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS February 2, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS February 10, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS September 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 31, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 17, 2026)
- IRS filings on file for fiscal years 2019–2025
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