William L & Josephine B Weiss Family
William L & Josephine B Weiss Family is a private foundation, based in Lincolnshire, IL. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $3.3M in total assets. In 2025, it awarded 7 grants totaling $752K. Net investment income was $325K.
William L & Josephine B Weiss Family at a glance
In short: William L & Josephine B Weiss Family gave $752K across 7 grants in 2025 (avg $107K), top state North Carolina. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $751,950
- -14.4% vs 2024
- Grants made (2025)
- 7
- +0.0% vs 2024
- Average grant
- $107,421
- -14.4% vs 2024
- Median grant
- $45,000
- Total assets
- $3,320,985
- -11.7% vs 2024
- Primary geography
- North Carolina (41% 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 William L & Josephine B Weiss Family funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Pennsylvania State University ($250K). Together the top 7 received $752K.
Grant Size Distribution
31 grants across all recorded years
The most common grant size was under $50K: 18 grants of 31 (58%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
Cities
How William L & Josephine B Weiss Family gives
- Giving grew 75% from 2022 to 2025. Method
- In 2025 it paid out 323% 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 $368K (2020) to $879K (2024). In 2025 it made 7 grants totaling $752K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Pennsylvania State University University Park, PA | Education | $250,000 |
| Sandhills Community College Foundation Inc Pinehurst, NC | Education | $220,200 |
| Court Sports for Life Foundation Steamboat Springs, CO | Community | $185,000 |
| Boys & Girls Homes of North Carolina Inc Lake Waccamaw, NC | Community | $45,000 |
| Wake Tech Community College Foundation Raleigh, NC | Education | $43,750 |
| Dial Hope Sarasota, FL | Religious & Community | $5,000 |
| Impact Missions Refton, PA | Community | $3,000 |
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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 | $3,320,985 | $369,706 | $810,402 | $751,950 | 7 | $753,573 | $325,451 | $233,225 |
| 2024 | $3,761,681 | $588,600 | $930,718 | $878,650 | 7 | $880,367 | $538,249 | $251,183 |
| 2023 | $4,103,799 | $261,665 | $573,765 | $533,600 | 6 | $534,509 | $222,253 | $258,087 |
| 2022 | $4,415,899 | $152,370 | $487,101 | $430,150 | 6 | $431,509 | $106,778 | $280,338 |
| 2021 | $4,750,630 | $491,838 | $614,623 | $565,450 | 5 | $567,270 | $444,485 | $313,466 |
| 2020 | $4,879,410 | $227,369 | $411,854 | $368,000 | 5 | — | $184,836 | $281,465 |
| 2019 | $5,058,914 | $181,459 | $609,028 | $551,800 | 4 | — | $136,952 | $295,277 |
Under IRS private-foundation payout rules, William L & Josephine B Weiss Family reported a distributable amount of $233K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
William L & Josephine B Weiss Family is led by David W. Weiss, Co-President, Treasurer & Trustee on every filing since 2019; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
David W. Weiss
Co-President, Treasurer & Trustee
On filings since 2019
0.5 hrs/week
No compensation reported
Steven P. Weiss
Co-President & Trustee
On filings since 2019
0.5 hrs/week
No compensation reported
Susan W. Miller
Vice President, Secretary & Trustee
On filings since 2019
0.5 hrs/week
No compensation reported
Ken Miller
Non-Voting Board Member
On filings since 2019
No compensation reported
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 William L & Josephine B Weiss Family
How much does William L & Josephine B Weiss Family give each year?
William L & Josephine B Weiss Family gave $752K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $879K across 7 grants.
What is William L & Josephine B Weiss Family's typical grant size?
William L & Josephine B Weiss Family's median grant in 2025 was $45,000, and its average grant was $107,421, across 7 grants on its 2025 IRS Form 990-PF.
Where does William L & Josephine B Weiss Family give grants?
William L & Josephine B Weiss Family's top state is North Carolina, with 41% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Pennsylvania (34%) and Colorado (25%).
Does William L & Josephine B Weiss Family give general operating support?
Not in 2025: none of the 7 grants with a stated purpose on William L & Josephine B Weiss Family's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Community" (3 grants) and "Education" (3 grants).
Who are William L & Josephine B Weiss Family's largest grantees?
William L & Josephine B Weiss Family's largest 2025 grantees include Pennsylvania State University ($250,000), Sandhills Community College Foundation Inc ($220,200) and Court Sports for Life Foundation ($185,000), according to its 2025 IRS Form 990-PF. Together they received 87% of its itemized 2025 grant dollars.
How large is William L & Josephine B Weiss Family?
William L & Josephine B Weiss Family reported $3.3M in total assets on its 2025 IRS Form 990-PF. It paid out $754K in qualifying distributions that year, against a required minimum of $233K (roughly 5% of its investment assets).
What is William L & Josephine B Weiss Family's EIN?
William L & Josephine B Weiss Family's EIN (Employer Identification Number) is 36-3478679. 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
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS August 21, 2020)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 8, 2026)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS August 25, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS August 30, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS August 24, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS June 3, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
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