William Bass Charitable Foundation
William Bass Charitable Foundation is a private foundation, based in Philadelphia, PA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $237K in total assets. In 2025, it awarded 9 grants totaling $15K. Net investment income was $6K.
William Bass Charitable Foundation at a glance
In short: William Bass Charitable Foundation gave $15K across 9 grants in 2025 (avg $2K), mostly in Pennsylvania. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $14,891
- +3.7% vs 2024
- Grants made (2025)
- 9
- +12.5% vs 2024
- Average grant
- $1,655
- -7.8% vs 2024
- Median grant
- $1,250
- Total assets
- $236,716
- -4.4% vs 2024
- Primary geography
- Pennsylvania (87% 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 Bass Charitable Foundation funds
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2025
The largest 2025 recipient was The Barnes Foundation ($4K). Together the top 9 received $15K.
Grant Size Distribution
44 grants across all recorded years
The most common grant size was under $50K: 44 grants of 44 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 9 itemized grants.
Cities
How William Bass Charitable Foundation gives
- Giving grew 23% from 2022 to 2025. Method
- In 2025 it paid out 164% 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 $7K (2020) to $17K (2023). In 2025 it made 9 grants totaling $15K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Barnes Foundation Philadelphia, PA | Charitable | $4,300 |
| Congregation Rodeph Shalom Philadelphia, PA | Charitable | $2,635 |
| Delaware Valley Friends School Paoli, PA | Charitable | $2,476 |
| Tufts University Boston, MA | Charitable | $2,000 |
| University of Pennsylvania Carey Law School Philadelphia, PA | Charitable | $1,250 |
| Thomas Jefferson University Philadelphia, PA | Charitable | $1,000 |
| The Rosenbach Museum & Library Philadelphia, PA | Charitable | $550 |
| Pocono Heritage Land Trust East Stroudsburg, PA | Charitable | $500 |
| The Weitzman National Museum of American Jewish History Philadelphia, PA | Charitable | $180 |
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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 | $236,716 | $12,209 | $22,411 | $14,891 | 9 | $18,551 | $6,165 | $11,287 |
| 2024 | $247,665 | $22,043 | $17,999 | $14,360 | 8 | $16,092 | $19,664 | $11,417 |
| 2023 | $244,050 | $13,297 | $20,505 | $17,137 | 12 | $18,725 | $11,636 | $11,450 |
| 2022 | $249,994 | $11,424 | $24,028 | $12,150 | 8 | $17,511 | $4,907 | $12,091 |
| 2021 | $264,183 | $37,624 | $14,277 | $9,780 | 7 | $11,999 | $35,346 | $11,185 |
| 2020 | $238,898 | $11,605 | $11,566 | $6,905 | 8 | — | $9,261 | $8,535 |
| 2019 | $242,436 | $-11,421 | $21,645 | $11,475 | 11 | — | $4,930 | $11,058 |
Under IRS private-foundation payout rules, William Bass Charitable Foundation reported a distributable amount of $11K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
William Bass Charitable Foundation is led by Robert Bass, President on every filing since 2019; 1 of 3 officers listed in 2025 is compensated.
Officers on the 2025 filing
Robert Bass
President
On filings since 2019
2 hrs/week
No compensation reported
Jonathan Bass
Manager
Officer → Manager, 2025
On filings since 2024
2.5 hrs/week
$4K (2025)
Diane Bass
Manager
Officer → Manager, 2025
On filings since 2024
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $4K, to Jonathan Bass (Manager).
Frequently asked questions about William Bass Charitable Foundation
How much does William Bass Charitable Foundation give each year?
William Bass Charitable Foundation gave $15K across 9 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $14K across 8 grants.
What is William Bass Charitable Foundation's typical grant size?
William Bass Charitable Foundation's median grant in 2025 was $1,250, and its average grant was $1,655, across 9 grants on its 2025 IRS Form 990-PF.
Where does William Bass Charitable Foundation give grants?
William Bass Charitable Foundation gives mostly in Pennsylvania: 87% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Massachusetts (13%). The most frequent recipient cities were Philadelphia, PA (6 grants).
Does William Bass Charitable Foundation give general operating support?
Not in 2025: none of the 9 grants with a stated purpose on William Bass Charitable Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (9 grants).
Who are William Bass Charitable Foundation's largest grantees?
William Bass Charitable Foundation's largest 2025 grantees include The Barnes Foundation ($4,300), Congregation Rodeph Shalom ($2,635) and Delaware Valley Friends School ($2,476), according to its 2025 IRS Form 990-PF. Together they received 63% of its itemized 2025 grant dollars.
How large is William Bass Charitable Foundation?
William Bass Charitable Foundation reported $237K in total assets on its 2025 IRS Form 990-PF. It paid out $19K in qualifying distributions that year, against a required minimum of $11K (roughly 5% of its investment assets).
What is William Bass Charitable Foundation's EIN?
William Bass Charitable Foundation's EIN (Employer Identification Number) is 23-2339056. 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 2024 (received by the IRS May 12, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS May 7, 2026)
- Added Form 990-PF for fiscal year 2019 (received by the IRS June 30, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 12, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 16, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 11, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS July 30, 2024)
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