James D Greenheck Foundation Inc
James D Greenheck Foundation Inc is a private foundation based in Weston, Wisconsin. Its 2025 filing is marked as the organization’s final return and states that the foundation closed on December 31, 2025; it appears to have wound down its grantmaking.
James D Greenheck Foundation Inc at a glance
In short: James D Greenheck Foundation Inc gave $3.5M across 14 grants in 2025 (avg $252K), mostly in Delaware. 64% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $3,522,881
- +2001.3% vs 2024
- Grants made (2025)
- 14
- +27.3% vs 2024
- Average grant
- $251,634
- +1551.0% vs 2024
- Median grant
- $5,750
- New grantees (estimate)
- 64% first-time grantees (7 of 11, 2025; small sample)
- Primary geography
- Delaware (95% 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 James D Greenheck Foundation Inc
- Accepts unsolicited proposals
- No
- Contact
Mailing address: 7501 Commerce Dr, Weston, WI 54476
Phone: (715) 355-8842
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who James D Greenheck Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Intelligent Future Foundation ($3.4M). Together the top 10 received $3.4M.
Organizations only. It also paid 4 grants to individuals ($107,500), which are not listed by name.
Grant Size Distribution
36 grants across all recorded years
The most common grant size was under $50K: 28 grants of 36 (78%).
Geographic Focus
Where this funder awards grants
The foundation reported that 2025 grant dollars went primarily to recipients in Delaware (95%), followed by Michigan (3%) and Wisconsin (2%). Florida and South Dakota each accounted for 0% of grant dollars as reported. Its closing grant was designated to benefit the Central Wisconsin community.
Grant Distribution by State
Share of 2025 grant dollars across all 14 itemized grants.
Cities
Is James D Greenheck Foundation Inc open to new grantees?
64%
first-time grantees, 2025
In 2025, 7 of 11 grantees (64%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $486K; repeat grants $30K. How we count
Medians: $5K first-time, $6K repeat.
- 36% of 2025 grantees were also funded in 2024. Method
- Giving grew 2249% from 2022 to 2025. Method
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). 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 $150K (2022) to $3.5M (2025). In 2025 it made 14 grants totaling $3.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Intelligent Future Foundation Wilmington, DE | To strengthen the community of central Wisconsin by connecting, engaging, and inspiring the next generations of engineers, innovators, and entrepreneurs | $3,359,881 |
| 4 grants to individuals Recipients not named | — | $107,500 |
| Mosinee School District Mosinee, WI | To Advance Student Learning, Achievement, and Success | $21,000 |
| Uw-Stout Foundation Menomonie, WI | To Advance Student Learning, Achievement, and Success | $7,500 |
| Joshua's Camp Altoona, WI | To Advance Student Learning, Achievement, and Success | $6,500 |
| Habitat for Humanity of Collier County Naples, FL | To Advance Student Learning, Achievement, and Success | $5,000 |
| Midwest Class Racers Tea, SD | To promote and support class racing in the upper midwest | $5,000 |
| Uw-Platteville Foundation Inc Platteville, WI | To Advance Student Learning, Achievement, and Success | $5,000 |
| EAA Chapter 640 Wausau, WI | To Promote Aviation in Central Wisconsin | $2,500 |
| D C Everest Education Foundation Inc Schofield, WI | To Advance Student Learning, Achievement, and Success | $2,000 |
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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 | — | $-3,486,288 | $3,544,760 | $3,522,881 | 14 | $3,522,881 | — | $43,983 |
| 2024 | $7,031,048 | $374,000 | $172,642 | $167,650 | 11 | $167,650 | — | $166,085 |
| 2023 | $6,829,690 | $310,000 | $164,443 | $153,273 | 4 | $153,948 | — | $167,422 |
| 2022 | $6,684,133 | $49,000 | $153,391 | $150,000 | 4 | $152,597 | — | $169,275 |
| 2021 | $6,788,524 | $450,000 | $170,846 | $169,175 | 3 | $170,027 | — | $159,483 |
| 2020 | $6,509,370 | $2,897,858 | $236,011 | $197,497 | 11 | — | $23,585 | $160,933 |
Under IRS private-foundation payout rules, James D Greenheck Foundation Inc reported a distributable amount of $44K 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
The foundation’s 2025 filing describes the purpose of its closing grant to Intelligent Future Foundation as strengthening the Central Wisconsin community by connecting, engaging, and inspiring future engineers, innovators, and entrepreneurs. It specifies a focus on aviation, engineering education, and advanced manufacturing.
Among the organizations it supported in 2025, Joshua’s Camp described its mission as providing a retreat-style camp for children being treated for cancer and their families. Habitat for Humanity of Collier County described its work as building homes, communities, and hope. Children’s Imaginarium described its mission as inspiring discovery and imagination through hands-on exploration and educational experiences through play.
Grantmaking
In 2025, the foundation reported 14 grants totaling $3,522,881. The median grant was $5,750; grants ranged from $1,000 to $3,359,881. The largest grant, $3,359,881, went to Intelligent Future Foundation in Wilmington, Delaware, for the Central Wisconsin community purpose described above. Other notable grants included $82,000 to an individual recipient, $21,000 to Mosinee School District, and $14,500 to an individual recipient Technical College, each for advancing student learning, achievement, and success. The foundation also gave $10,000 to an individual recipient Aviation Academy Foundation for that same purpose.
The filing says the foundation made contributions only to preselected charitable organizations and does not accept unsolicited requests.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists James D Greenheck as director and president, Dean Lee as director, secretary, and treasurer, and Marco Espinoza as director.
James D Greenheck Foundation Inc is led by James D. Greenheck, Director & President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
James D. Greenheck
Director & President
On filings since 2020
1 hr/week
No compensation reported
Dean Lee
Director, Secretary & Treasurer
On filings since 2020
1 hr/week
No compensation reported
Marco Espinoza
Director
On filings since 2023
1 hr/week
No compensation reported
Former officers (1)
- Former: Diane Petrash (2020–2022) — Director
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.
Frequently asked questions about James D Greenheck Foundation Inc
How much does James D Greenheck Foundation Inc give each year?
James D Greenheck Foundation Inc gave $3.5M across 14 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $168K across 11 grants.
What is James D Greenheck Foundation Inc's typical grant size?
James D Greenheck Foundation Inc's median grant in 2025 was $5,750, and its average grant was $251,634, across 14 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from James D Greenheck Foundation Inc that year got $486K on average.
Where does James D Greenheck Foundation Inc give grants?
James D Greenheck Foundation Inc gives mostly in Delaware: 95% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Wausau, WI (2 grants).
Does James D Greenheck Foundation Inc give general operating support?
Not in 2025: none of the 14 grants with a stated purpose on James D Greenheck Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "To Advance Student Learning, Achievement, and Success" (11 grants).
Who are James D Greenheck Foundation Inc's largest grantees?
James D Greenheck Foundation Inc's largest 2025 grantees include Intelligent Future Foundation ($3,359,881), Mosinee School District ($21,000) and Uw-Stout Foundation ($7,500), according to its 2025 IRS Form 990-PF. It also paid 4 grants to individuals ($107,500), which are not listed by name. Together they received 96% of its itemized 2025 grant dollars.
What does James D Greenheck Foundation Inc fund?
The foundation’s 2025 filing describes the purpose of its closing grant to Intelligent Future Foundation as strengthening the Central Wisconsin community by connecting, engaging, and inspiring future engineers, innovators, and entrepreneurs. See mission & focus areas ↑
How do I apply for a grant from James D Greenheck Foundation Inc?
James D Greenheck Foundation Inc does not accept unsolicited proposals, according to Grantable's research on its published guidelines.
How much is James D Greenheck Foundation Inc required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, James D Greenheck Foundation Inc reported a distributable amount of $44K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is James D Greenheck Foundation Inc's EIN?
James D Greenheck Foundation Inc's EIN (Employer Identification Number) is 47-5170750. IRS Form 990 filing data is available on this page for 2020–2025.
Does James D Greenheck Foundation Inc 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
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS July 17, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work James D Greenheck Foundation Inc funds
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Cite this profile
Grantable. (2026). James D Greenheck Foundation Inc funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/james-d-greenheck-foundation-inc-morg_5f928665f2c04044ae1e2169835b1e36
BibTeX
@misc{grantable_475170750_2026,
author = {{Grantable}},
title = {{James D Greenheck Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/james-d-greenheck-foundation-inc-morg_5f928665f2c04044ae1e2169835b1e36},
note = {Accessed 2026-10-22. 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 James D Greenheck Foundation Inc'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.
James D Greenheck Foundation Inc down — hundreds of funders to go?