Addison P Cook III Foundation
The Addison P Cook III Foundation is a private foundation based in Jackson, Michigan. Its 2025 filing reports 23 grants totaling $419,850, all to recipients in Michigan.
Addison P Cook III Foundation at a glance
In short: Addison P Cook III Foundation gave $420K across 23 grants in 2025 (avg $18K), mostly in Michigan. 22% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $419,850
- +9.8% vs 2024
- Grants made (2025)
- 23
- +21.1% vs 2024
- Average grant
- $18,254
- -9.3% vs 2024
- Median grant
- $15,000
- Total assets
- $4,045,367
- -4.3% vs 2024
- New grantees (estimate)
- 22% first-time grantees (5 of 23, 2025; small sample)
- Primary geography
- Michigan (100% 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 Addison P Cook III Foundation
- How to Apply
-
The foundation’s filing says to contact the foundation with a brief description of the request. It does not list a deadline, and says awards must relate to the Jackson County area.
- Contact
Application contact: Addison P Cook Iii Foundation
Mailing address: 4100 Spring Arbor Rd, Jackson, MI 49201
Phone: (517) 788-8660
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Addison P Cook III Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Ella Sharp Museum ($55K). Together the top 10 received $300K.
Grant Size Distribution
99 grants across all recorded years
The most common grant size was under $50K: 92 grants of 99 (93%).
Geographic Focus
Where this funder awards grants
The foundation’s filing states that awards must relate to the Jackson County area. In filing year 2025, all grant dollars went to recipients in Michigan.
Grant Distribution by State
Share of 2025 grant dollars across all 23 itemized grants.
States
Cities
Is Addison P Cook III Foundation open to new grantees?
22%
first-time grantees, 2025
In 2025, 5 of 23 grantees (22%) were first-time recipients. With only 23 grantees, that is a small sample: one grantee more or less moves the share by about 4 points. First grants averaged $23K; repeat grants $17K. How we count
Medians: $25K first-time, $15K repeat.
- 70% of 2025 grantees were also funded in 2024. Method
- Giving grew 74% from 2022 to 2025. Method
- In 2025 it paid out 93% 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 (2021–2025). 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 2021 to 2025, annual grant giving ranged from $225K (2021) to $420K (2025). In 2025 it made 23 grants totaling $420K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Ella Sharp Museum Jackson, MI | General Fund | $55,000 |
| Jackson County Animal Shelter Jackson, MI | Xray Machines | $50,000 |
| Lost Railway Museum Grass Lake, MI | General Fund | $30,000 |
| Jackson Symphony Orchestra Jackson, MI | General Fund | $25,000 |
| Michigan Theatre of Jackson Jackson, MI | Restoration Projects | $25,000 |
| Junior Achhievement of Mi Edge Inc Jackson, MI | General Fund | $25,000 |
| Camp Liberty Inc Brooklyn, MI | Generl Fund | $25,000 |
| Rise Above Jackson, MI | General Fund | $25,000 |
| Jackson Interfaith Shelter Jackson, MI | General Fund | $20,000 |
| Soar Cafe Farms Jackson, MI | General Fund | $20,000 |
Ready to take the next step with Addison P Cook III 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 | $4,045,367 | $256,135 | $439,448 | $419,850 | 23 | $422,497 | $243,514 | $451,976 |
| 2024 | $4,228,680 | $3,248,312 | $398,161 | $382,300 | 19 | $384,669 | $225,182 | $388,765 |
| 2023 | $1,378,529 | $153,141 | $248,765 | $235,000 | 17 | $237,077 | $140,448 | $234,377 |
| 2022 | $1,474,153 | $127,972 | $250,523 | $241,000 | 19 | $241,097 | $115,103 | $239,761 |
| 2021 | $1,596,704 | $116,908 | $237,394 | $225,000 | 21 | — | $104,283 | $228,578 |
Under IRS private-foundation payout rules, Addison P Cook III Foundation reported a distributable amount of $452K 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 mission statement for the foundation is provided. Its grants include general-fund support and specific project or equipment support. For example, the 2025 filing lists $55,000 for the Ella Sharp Museum’s general fund, $50,000 for Jackson County Animal Shelter x-ray machines, and $25,000 for Michigan Theatre of Jackson restoration projects.
The grantees describe their work in varied terms. Lost Railway Museum says it demonstrates the role of railroads and interurban railways in the growth of the Grass Lake area and Michigan. Jackson Symphony Orchestra describes its aim as being an innovative, inspiring, and successful music arts organization. Rise Above says it provides high school students with reading, phonics, and academic credit recovery programs. Jackson Interfaith Shelter says it provides temporary shelter and essential resources to people experiencing homelessness and poverty. Cascades Humane Society says it works to promote responsible animal treatment and quality animal care.
Grantmaking
In filing year 2025, the foundation made 23 grants totaling $419,850. Grant amounts ranged from $350 to $55,000, with a median grant of $15,000.
Among the largest awards were $55,000 to Ella Sharp Museum, $50,000 to Jackson County Animal Shelter, $30,000 to Lost Railway Museum, $25,000 each to Jackson Symphony Orchestra, Michigan Theatre of Jackson, Junior Achievement of MI Edge Inc, Camp Liberty Inc, and Rise Above, and $20,000 each to Jackson Interfaith Shelter and Soar Cafe Farms. The filing lists Camp Liberty’s grant purpose as “generl fund.”
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Addison P Cook III as president; Paul A Cook, Daniel M Machnik, Michael Falahee, and Connie Wortman as directors; and Dennis C Regan as treasurer.
Addison P Cook III Foundation is led by Addison P. Cook III, President on every filing since 2021; none of the 6 officers listed in 2025 report compensation.
Officers on the 2025 filing
Addison P. Cook III
President
On filings since 2021
No compensation reported
Daniel M. Machnik
Director
On filings since 2021
No compensation reported
Michael Falahee
Director
On filings since 2021
No compensation reported
Paul A. Cook
Director
On filings since 2021
No compensation reported
Connie Wortman
Director
On filings since 2024
No compensation reported
Dennis C. Regan
Treasurer
On filings since 2021
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 Addison P Cook III Foundation
How much does Addison P Cook III Foundation give each year?
Addison P Cook III Foundation gave $420K across 23 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $382K across 19 grants.
What is Addison P Cook III Foundation's typical grant size?
Addison P Cook III Foundation's median grant in 2025 was $15,000, and its average grant was $18,254, across 23 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Addison P Cook III Foundation that year got $23K on average.
Where does Addison P Cook III Foundation give grants?
Addison P Cook III Foundation gives mostly in Michigan: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Jackson, MI (21 grants).
Does Addison P Cook III Foundation give general operating support?
Yes: 87% of Addison P Cook III Foundation's 2025 grants with a stated purpose (20 of 23) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Addison P Cook III Foundation's largest grantees?
Addison P Cook III Foundation's largest 2025 grantees include Ella Sharp Museum ($55,000), Jackson County Animal Shelter ($50,000) and Lost Railway Museum ($30,000), according to its 2025 IRS Form 990-PF. Together they received 32% of its itemized 2025 grant dollars.
How large is Addison P Cook III Foundation?
Addison P Cook III Foundation reported $4.0M in total assets on its 2025 IRS Form 990-PF. It paid out $422K in qualifying distributions that year, against a required minimum of $452K (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 Addison P Cook III Foundation fund?
No mission statement for the foundation is provided. Its grants include general-fund support and specific project or equipment support. See mission & focus areas ↑
How do I apply for a grant from Addison P Cook III Foundation?
The foundation’s filing says to contact the foundation with a brief description of the request. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Addison P Cook III Foundation's EIN?
Addison P Cook III Foundation's EIN (Employer Identification Number) is 76-0802655. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2025
Live grants for the work Addison P Cook III Foundation funds
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Cite this profile
Grantable. (2026). Addison P Cook III Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/addison-p-cook-iii-foundation-morg_2c16ddcac7d44159bb62812178e86e96
BibTeX
@misc{grantable_760802655_2026,
author = {{Grantable}},
title = {{Addison P Cook III Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/addison-p-cook-iii-foundation-morg_2c16ddcac7d44159bb62812178e86e96},
note = {Accessed 2026-10-16. 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 Addison P Cook III 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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