James D Greenheck Foundation Inc

Private foundation · Grantmaker Weston, WI EIN: 47-5170750

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.

Key facts about James D Greenheck Foundation Inc

In short: James D Greenheck Foundation Inc gave $3.5M across 14 grants in 2025 (avg $252K), mostly in Delaware. Source: 2025 IRS Form 990-PF.

EIN
47-5170750
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$3,522,881
Grants made (2025)
14
Average grant
$251,634
Median grant
$5,750
Primary geography
Delaware (95% of itemized 2025 grant dollars)
Accepts unsolicited proposals
No

Data from IRS Form 990-PF, 2025; updated September 2026. Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$3.5M

+2001.3% YoY

Grant Count

14

+27.3% YoY

Avg Grant Size

$252K

+1551.0% YoY

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.

How James D Greenheck Foundation Inc gives

  • 21% 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 (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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 MI Tech, $21,000 to Mosinee School District, and $14,500 to North Central Technical College, each for advancing student learning, achievement, and success. The foundation also gave $10,000 to West Michigan Aviation Academy Foundation for that same purpose.

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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

10states

Share of 2025 grant dollars across all 14 itemized grants.

Cities

WausauEau ClaireMadisonSchofieldTeaAltoonaDes PlainesGrand RapidsHoughtonMenomonieMerrillMosineeNaplesPark CityPlattevilleRiver FallsRosevilleShawneeWarrendaleWilmington

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M11 grants2020 3 grants2021 4 grants2022 4 grants2023 11 grants2024 14 grants2025

From 2020 to 2025, annual grant giving ranged from $150K (2022) to $3.5M (2025). In 2025 it made 14 grants totaling $3.5M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Intelligent Future Foundation: $3.4MIntelligent Future Foundation$3.4MMosinee School District: $21KMosinee School District$21KNorth Central Technical College: $15KNorth Central TechnicalCollege$15KWest Michigan Aviation Academy Foundation: $10KWest Michigan Aviation AcademyFoundation$10KUw-Stout Foundation: $8KUw-Stout Foundation$8KJoshua's Camp: $7KJoshua's Camp$7KHabitat for Humanity of Collier County: $5KHabitat for Humanity ofCollier County$5KMidwest Class Racers: $5KMidwest Class Racers$5KUw-Platteville Foundation Inc: $5KUw-Platteville Foundation Inc$5KEAA Chapter 640: $3KEAA Chapter 640$3K

The largest 2025 recipient was Intelligent Future Foundation ($3.4M). Together the top 10 received $3.4M.

Organizations only. It also paid 1 grant to individuals ($82,000), which are not listed by name.

Grant Size Distribution

36 grants across all recorded years

28<$50K6$50–100K1$100–250K$250–500K$500K–1M1$1–5M$5M+

The most common grant size was under $50K: 28 grants of 36 (78%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Intelligent Future Foundation Wilmington, DETo strengthen the community of central Wisconsin by connecting, engaging, and inspiring the next generations of engineers, innovators, and entrepreneurs$3,359,881
1 grant to individuals Recipients not named —$82,000
Mosinee School District Mosinee, WITo Advance Student Learning, Achievement, and Success$21,000
North Central Technical College Wausau, WITo Advance Student Learning, Achievement, and Success$14,500
West Michigan Aviation Academy Foundation Grand Rapids, MITo Advance Student Learning, Achievement, and Success$10,000
Uw-Stout Foundation Menomonie, WITo Advance Student Learning, Achievement, and Success$7,500
Joshua's Camp Altoona, WITo Advance Student Learning, Achievement, and Success$6,500
Habitat for Humanity of Collier County Naples, FLTo Advance Student Learning, Achievement, and Success$5,000
Midwest Class Racers Tea, SDTo promote and support class racing in the upper midwest$5,000
Uw-Platteville Foundation Inc Platteville, WITo Advance Student Learning, Achievement, and Success$5,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants Grant count
2025 — -$3,486,288 $3,544,760 $3,522,881 14
2024 $7,031,048 $374,000 $172,642 $167,650 11
2023 $6,829,690 $310,000 $164,443 $153,273 4
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$1M$2M$3M$4M2020 2021 2022 2023 2024 2025
Metric202520242023
Total Assets—$7,031,048$6,829,690
Revenue$-3,486,288$374,000$310,000
Expenses$3,544,760$172,642$164,443
Qualifying Distributions$3,522,881$167,650$153,948
Distributable Amount$43,983$166,085$167,422

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS July 17, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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.

Contact

Mailing address: 7501 Commerce Dr, Weston, WI 54476
Phone: (715) 355-8842

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.

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 (3 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 North Central Technical College ($14,500), according to its 2025 IRS Form 990-PF. It also paid 1 grant to individuals ($82,000), 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 September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

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