Leo Claire & Robert Adenbaum
Leo Claire & Robert Adenbaum is a private foundation based in North Palm Beach, Florida. Its 2025 filing reports grants to charitable organizations, including medical, educational, arts, animal welfare, and conservation organizations.
Leo Claire & Robert Adenbaum at a glance
In short: Leo Claire & Robert Adenbaum gave $481K across 24 grants in 2025 (avg $20K), mostly in Florida. 46% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $481,470
- +97.8% vs 2024
- Grants made (2025)
- 24
- +84.6% vs 2024
- Average grant
- $20,061
- +7.2% vs 2024
- Median grant
- $5,000
- Total assets
- $8,217,554
- -1.3% vs 2024
- New grantees (estimate)
- 46% first-time grantees (11 of 24, 2025; small sample)
- Primary geography
- Florida (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 Leo Claire & Robert Adenbaum
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: PO Box 14486, North Palm Beach, FL 33408
Phone: (760) 943-7000
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Leo Claire & Robert Adenbaum funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Jupiter Medical Center Fdn Inc ($109K). Together the top 10 received $443K.
Grant Size Distribution
88 grants across all recorded years
The most common grant size was under $50K: 74 grants of 88 (84%).
Geographic Focus
Where this funder awards grants
In 2025, 60% of grant dollars went to recipients in Florida and 26% to recipients in Pennsylvania. The remaining reported shares went to Arizona (5%), Massachusetts (5%), and Tennessee (1%).
Grant Distribution by State
Share of 2025 grant dollars across all 24 itemized grants.
States
Cities
Is Leo Claire & Robert Adenbaum open to new grantees?
46%
first-time grantees, 2025
In 2025, 11 of 24 grantees (46%) were first-time recipients. With only 24 grantees, that is a small sample: one grantee more or less moves the share by about 4 points. First grants averaged $9K; repeat grants $29K. How we count
Medians: $5K first-time, $3K repeat.
- 38% of 2025 grantees were also funded in 2024. Method
- Giving grew 107% from 2022 to 2025. Method
- In 2025 it paid out 90% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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 2020 to 2025, annual grant giving ranged from $232K (2022) to $481K (2025). In 2025 it made 24 grants totaling $481K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jupiter Medical Center Fdn Inc Jupiter, FL | General Support | $109,250 |
| University of Florida Fdn Inc Gainsville, FL | Adenbaum Professorship - Engineering | $100,000 |
| Lewis Katz School of Medicine Philadelphia, PA | General Support | $100,000 |
| Big Dog Rescue Ranch Loxahatchee, FL | General Support | $30,000 |
| ASU Foundation Inc Tempe, AZ | General Support | $25,000 |
| Lafayette College Enhancement Easton, PA | General Support | $25,000 |
| MIT Resource Development Cambridge, MA | General Support | $25,000 |
| Friends of Macarthur State Park North Palm Beach, FL | General Support | $18,720 |
| Gary Senise Foundation Nashville, TN | General Support | $5,000 |
| Maltz Jupiter Theatre Jupiter, FL | General Support | $5,000 |
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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 | $8,217,554 | $1,081,086 | $1,189,661 | $481,470 | 24 | $908,652 | $828,542 | $1,014,304 |
| 2024 | $8,325,033 | $876,701 | $873,215 | $243,393 | 13 | $655,036 | $672,383 | $978,513 |
| 2023 | $8,206,296 | $684,300 | $872,410 | $287,216 | 17 | $624,367 | $454,424 | $893,998 |
| 2022 | $8,615,303 | $735,996 | $805,350 | $232,256 | 16 | $565,297 | $486,878 | $606,671 |
| 2021 | $8,719,726 | $801,248 | $936,200 | $358,000 | 18 | $680,297 | $510,646 | $650,802 |
| 2020 | $8,859,620 | $484,217 | $914,200 | $388,000 | 18 | — | $263,979 | $613,865 |
Under IRS private-foundation payout rules, Leo Claire & Robert Adenbaum reported a distributable amount of $1.0M for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants show support for organizations in several fields. For example, Maltz Jupiter Theatre describes its mission as entertaining, educating, and inspiring the community through the performing arts, and providing theater education through its conservatory. Furry Friends Humane says it provides care for abused and abandoned animals, from rescue through placement in a permanent home. Ocean Conservancy describes its work as uniting science, people, and policy to protect the ocean.
Grantmaking
In 2025, the foundation reported 24 grants totaling $481,470. Grant amounts ranged from $2,000 to $109,250, with a median grant of $5,000. Its largest grants included $109,250 to Jupiter Medical Center Foundation for general support, $100,000 to the University of Florida Foundation for an Adenbaum professorship in engineering, and $100,000 to Lewis Katz School of Medicine for general support. Other notable awards included $30,000 to Big Dog Rescue Ranch and $25,000 each to ASU Foundation, Lafayette College Enhancement, and MIT Resource Development, all for general support.
Other reported 2025 grants included $5,000 to Maltz Jupiter Theatre, $3,000 to CMT Research Foundation, and $2,000 each to Ocean Conservancy, Project Lift, The Nature Conservancy, and Furry Friends Humane. Project Lift describes its work as supporting at-risk teens and their families through substance-use treatment, mental-health counseling, mentoring, and vocational skills training. CMT Research Foundation says it funds research toward treatments and cures for Charcot-Marie-Tooth.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists George Stechel, Gerhard Jakits, and Michael Stechel as co-trustees.
Leo Claire & Robert Adenbaum's 2025 filing lists 3 officers; all 3 officers listed in 2025 are compensated.
Officers on the 2025 filing
George Stechel
Co-Trustee
On filings since 2020
15 hrs/week
$113K (2020) → $129K (2025)
Gerhard Jakits
Co-Trustee
On filings since 2020
15 hrs/week
$113K (2020) → $129K (2025)
Michael Stechel
Co-Trustee
On filings since 2024
20 hrs/week
$37K (2024) → $129K (2025)
Former officers (1)
- Former: Jody Oliver (2020–2024) — Co-Trustee
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $129K, to George Stechel (Co-Trustee). 3 officers or directors reported compensation on that filing.
Frequently asked questions about Leo Claire & Robert Adenbaum
How much does Leo Claire & Robert Adenbaum give each year?
Leo Claire & Robert Adenbaum gave $481K across 24 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $243K across 13 grants.
What is Leo Claire & Robert Adenbaum's typical grant size?
Leo Claire & Robert Adenbaum's median grant in 2025 was $5,000, and its average grant was $20,061, across 24 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Leo Claire & Robert Adenbaum that year got $9K on average.
Where does Leo Claire & Robert Adenbaum give grants?
Leo Claire & Robert Adenbaum gives mostly in Florida: 60% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Pennsylvania (26%) and Arizona (5%). The most frequent recipient cities were Jupiter, FL (3 grants) and West Palm Beach, FL (2 grants).
Does Leo Claire & Robert Adenbaum give general operating support?
Yes: 96% of Leo Claire & Robert Adenbaum's 2025 grants with a stated purpose (23 of 24) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Leo Claire & Robert Adenbaum's largest grantees?
Leo Claire & Robert Adenbaum's largest 2025 grantees include Jupiter Medical Center Fdn Inc ($109,250), University of Florida Fdn Inc ($100,000) and Lewis Katz School of Medicine ($100,000), according to its 2025 IRS Form 990-PF. Together they received 64% of its itemized 2025 grant dollars.
How large is Leo Claire & Robert Adenbaum?
Leo Claire & Robert Adenbaum reported $8.2M in total assets on its 2025 IRS Form 990-PF. It paid out $909K in qualifying distributions that year, against a required minimum of $1.0M (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Leo Claire & Robert Adenbaum fund?
No mission statement for the foundation is provided. Its 2025 grants show support for organizations in several fields. See mission & focus areas ↑
How do I apply for a grant from Leo Claire & Robert Adenbaum?
The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Leo Claire & Robert Adenbaum's EIN?
Leo Claire & Robert Adenbaum's EIN (Employer Identification Number) is 11-6013398. IRS Form 990 filing data is available on this page for 2020–2025.
Does Leo Claire & Robert Adenbaum 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 October 2026.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2022 (received by the IRS January 29, 2024)
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 5, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Leo Claire & Robert Adenbaum funder profile. GrantGraph. Retrieved October 18, 2026, from https://grantable.co/funders/leo-claire-and-robert-adenbaum-morg_aa5c6297f9414c7d8cecb4c17f754873
BibTeX
@misc{grantable_116013398_2026,
author = {{Grantable}},
title = {{Leo Claire \& Robert Adenbaum funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/leo-claire-and-robert-adenbaum-morg_aa5c6297f9414c7d8cecb4c17f754873},
note = {Accessed 2026-10-18. 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 Leo Claire & Robert Adenbaum'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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