Posner Foundation
The Posner Foundation is a private foundation based in Wilmington, Delaware. It reported 15 grants totaling $166,800 in 2025, supporting charitable organizations in California and Wisconsin, including schools, arts organizations, and health and family-service organizations.
Posner Foundation at a glance
In short: Posner Foundation gave $167K across 15 grants in 2025 (avg $11K), mostly in California. 7% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $166,800
- +4.3% vs 2024
- Grants made (2025)
- 15
- -25.0% vs 2024
- Average grant
- $11,120
- +39.0% vs 2024
- Median grant
- $10,000
- Total assets
- $1,492,747
- -3.6% vs 2024
- New grantees (estimate)
- 7% first-time grantees (1 of 15, 2025; small sample)
- Primary geography
- California (60% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Posner Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Posner Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was The Branson School ($25K). Together the top 10 received $139K.
Grant Size Distribution
82 grants across all recorded years
The most common grant size was under $50K: 82 grants of 82 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 60% of grant dollars went to recipients in California and 40% to recipients in Wisconsin.
Grant Distribution by State
Share of 2025 grant dollars across all 15 itemized grants.
Cities
Is Posner Foundation open to new grantees?
7%
first-time grantees, 2025
In 2025, 1 of 15 grantees (7%) were first-time recipients. With only 15 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $10K; repeat grants $11K. How we count
Medians: $10K first-time, $10K repeat.
- 93% of 2025 grantees were also funded in 2024. Method
- Giving grew 25% from 2022 to 2025. Method
- In 2025 it paid out 227% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $106K (2019) to $167K (2025). In 2025 it made 15 grants totaling $167K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Branson School Ross, CA | General & Unrestricted | $25,000 |
| The Desert Biennial Palm Springs, CA | Kimsooja's installation To Breathe for Desert X | $25,000 |
| Saint Josephs Arts Foundation San Francisco, CA | General & Unrestricted | $20,000 |
| Childrens Hospital of Wisconsin Inc Milwaukee, WI | General & Unrestricted | $10,000 |
| Coalition for Children Youth & Families West Allis, WI | General & Unrestricted | $10,000 |
| Greater Milwaukee Foundation Inc Milwaukee, WI | Israel Support Fund | $10,000 |
| Marin Montessori School Inc Corte Madera, CA | General & Unrestricted | $10,000 |
| Museum Associates Los Angeles, CA | General & Unrestricted | $10,000 |
| University of Wisconsin Foundation Milwaukee, WI | Cancer Research Fund | $10,000 |
| Childrens Outing Assn Milwaukee, WI | General & Unrestricted | $9,400 |
Ready to take the next step with Posner Foundation?
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 | $1,492,747 | $128,254 | $183,807 | $166,800 | 15 | $180,547 | $126,694 | $79,647 |
| 2024 | $1,548,300 | $90,626 | $174,354 | $160,000 | 20 | $173,413 | $90,622 | $80,998 |
| 2023 | $1,632,028 | $60,196 | $170,925 | $153,450 | 18 | $169,761 | $60,189 | $80,988 |
| 2022 | $1,742,757 | $47,259 | $144,795 | $133,250 | 15 | $142,950 | $47,251 | $84,684 |
| 2021 | $1,840,293 | $132,735 | $130,248 | $116,750 | 14 | $129,675 | $132,732 | $93,403 |
| 2020 | $1,837,806 | $40,574 | $133,653 | $120,000 | 15 | — | $40,399 | $88,095 |
| 2019 | $1,930,885 | $73,010 | $120,283 | $106,000 | 13 | — | $72,666 | $91,871 |
Under IRS private-foundation payout rules, Posner Foundation reported a distributable amount of $80K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No foundation mission statement is provided. Its 2025 grants show support for organizations working in education, the arts, pediatric health care, foster and adoptive family support, and research.
The grantees describe their work in their own terms. The Branson School says it provides an academically exceptional education to students in grades 9 through 12 in a supportive environment. Saint Joseph’s Arts Foundation says it supports contemporary art through artist residencies, partnerships, exhibitions, performances, and public events. Children’s Hospital of Wisconsin describes its work as providing integrated pediatric health care. The Coalition for Children Youth & Families says it strengthens foster and adoptive families by helping them access resources and support. These are descriptions of the grantees, not the foundation.
Grantmaking
In 2025, the foundation reported 15 grants totaling $166,800. Grants ranged from $1,000 to $25,000, with a median grant of $10,000.
Notable 2025 grants included $25,000 to The Branson School and $25,000 to The Desert Biennial; $20,000 to Saint Josephs Arts Foundation; and $10,000 each to Children’s Hospital of Wisconsin, Coalition for Children Youth & Families, Greater Milwaukee Foundation, Marin Montessori School, Museum Associates, and University of Wisconsin Foundation. The filing lists the grant to The Desert Biennial for Kimsooja’s installation *To Breathe* for Desert X. Other stated purposes included general and unrestricted support, an Israel Support Fund, and a Cancer Research Fund.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists David Posner as president, treasurer, and director, and Wendy Posner as director, secretary, and vice president.
Posner Foundation is led by David Posner, President, Treasurer & Director on every filing since 2019; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
David Posner
President, Treasurer & Director
On filings since 2019
1 hr/week
No compensation reported
Wendy Posner
Director, Secretary & Vice President
On filings since 2019
1 hr/week
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 Posner Foundation
How much does Posner Foundation give each year?
Posner Foundation gave $167K across 15 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $160K across 20 grants.
What is Posner Foundation's typical grant size?
Posner Foundation's median grant in 2025 was $10,000, and its average grant was $11,120, across 15 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Posner Foundation that year got $10K on average.
Where does Posner Foundation give grants?
Posner Foundation gives mostly in California: 60% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Wisconsin (40%). The most frequent recipient cities were Milwaukee, WI (6 grants), Los Angeles, CA (3 grants) and San Francisco, CA (2 grants).
Does Posner Foundation give general operating support?
Yes: 80% of Posner Foundation's 2025 grants with a stated purpose (12 of 15) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Posner Foundation's largest grantees?
Posner Foundation's largest 2025 grantees include The Branson School ($25,000), The Desert Biennial ($25,000) and Saint Josephs Arts Foundation ($20,000), according to its 2025 IRS Form 990-PF. Together they received 42% of its itemized 2025 grant dollars.
How large is Posner Foundation?
Posner Foundation reported $1.5M in total assets on its 2025 IRS Form 990-PF. It paid out $181K in qualifying distributions that year, against a required minimum of $80K (roughly 5% of its investment assets).
What does Posner Foundation fund?
No foundation mission statement is provided. Its 2025 grants show support for organizations working in education, the arts, pediatric health care, foster and adoptive family support, and research. See mission & focus areas ↑
How do I apply for a grant from Posner Foundation?
The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Posner Foundation's EIN?
Posner Foundation's EIN (Employer Identification Number) is 81-4837981. IRS Form 990 filing data is available on this page for 2019–2025.
Does Posner Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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 August 19, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS July 14, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 19, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 2, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS April 4, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS July 31, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 3, 2026)
- IRS filings on file for fiscal years 2019–2025
Explore Open Grants
Browse active grant opportunities in Posner Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Posner Foundation funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/posner-foundation-morg_2b2feb46681b4951aa1e717d5a3055ef
BibTeX
@misc{grantable_814837981_2026,
author = {{Grantable}},
title = {{Posner Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/posner-foundation-morg_2b2feb46681b4951aa1e717d5a3055ef},
note = {Accessed 2026-10-11. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Posner 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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