Grossjung Foundation
Grossjung Foundation is a private foundation, based in Coral Springs, FL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $3.2M in total assets. In 2025, it awarded 8 grants totaling $154K. Net investment income was $676K.
Grossjung Foundation at a glance
In short: Grossjung Foundation gave $154K across 8 grants in 2025 (avg $19K), top state Wyoming. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $153,500
- +3.4% vs 2024
- Grants made (2025)
- 8
- +0.0% vs 2024
- Average grant
- $19,188
- +3.4% vs 2024
- Median grant
- $17,500
- Total assets
- $3,162,663
- +3.6% vs 2024
- Primary geography
- Wyoming (35% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Grossjung Foundation funds
How this funder distributes its grants
Top Recipients
Top 8 recipients in 2025
The largest 2025 recipient was Jackson Hole Therapeutic ($50K). Together the top 8 received $154K.
Grant Size Distribution
35 grants across all recorded years
The most common grant size was under $50K: 30 grants of 35 (86%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
Cities
How Grossjung Foundation gives
- Giving held roughly steady from 2022 to 2025 (−6%). Method
- In 2025 it paid out 107% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $149K (2024) to $173K (2020). In 2025 it made 8 grants totaling $154K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Jackson Hole Therapeutic Teton Village, WY | Contribution for Research | $50,000 |
| St Judes Children's Research Hospit Memphis, TN | Contribution for Research | $25,000 |
| One Mission Westborough, MA | Contribution for Research | $25,000 |
| Breast Cancer Research Foundation New York, NY | Contribution for Research | $25,000 |
| Anthony Rizzo Family Foundation Highland Park, IL | Contribution for Research | $10,000 |
| Joe DiMaggio Childrens Hospital Hollywood, FL | Contribution for Research | $10,000 |
| Quantum Leap Farm Odessa, FL | Contribution for Research | $5,000 |
| Animal Adoption Center Jackson, WY | Contribution for Research | $3,500 |
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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 | $3,162,663 | $800,513 | $154,825 | $153,500 | 8 | $153,500 | $675,513 | $143,687 |
| 2024 | $3,053,659 | $117,739 | $149,825 | $148,500 | 8 | $148,500 | $45,492 | $147,896 |
| 2023 | $2,977,972 | $41,023 | $156,825 | $155,500 | 5 | $155,500 | $41,023 | $146,355 |
| 2022 | $2,988,543 | $248,928 | $165,325 | $164,000 | 5 | $164,000 | $98,923 | $155,683 |
| 2021 | $3,389,459 | $213,562 | $167,090 | $165,750 | 9 | $165,750 | $13,563 | $161,756 |
| 2020 | $3,186,999 | $314,717 | $174,050 | $172,715 | 8 | — | $314,717 | $166,354 |
Under IRS private-foundation payout rules, Grossjung Foundation reported a distributable amount of $144K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Grossjung Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Pamela L. Grossjung
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Thomas L. Grossjung
Trustee
On filings since 2020
2 hrs/week
No compensation reported
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 Grossjung Foundation
How much does Grossjung Foundation give each year?
Grossjung Foundation gave $154K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $149K across 8 grants.
What is Grossjung Foundation's typical grant size?
Grossjung Foundation's median grant in 2025 was $17,500, and its average grant was $19,188, across 8 grants on its 2025 IRS Form 990-PF.
Where does Grossjung Foundation give grants?
Grossjung Foundation's top state is Wyoming, with 35% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Tennessee (16%) and Massachusetts (16%).
Does Grossjung Foundation give general operating support?
Not in 2025: none of the 8 grants with a stated purpose on Grossjung Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Contribution for Research" (8 grants).
Who are Grossjung Foundation's largest grantees?
Grossjung Foundation's largest 2025 grantees include Jackson Hole Therapeutic ($50,000), St Judes Children's Research Hospit ($25,000) and One Mission ($25,000), according to its 2025 IRS Form 990-PF. Together they received 65% of its itemized 2025 grant dollars.
How large is Grossjung Foundation?
Grossjung Foundation reported $3.2M in total assets on its 2025 IRS Form 990-PF. It paid out $154K in qualifying distributions that year, against a required minimum of $144K (roughly 5% of its investment assets).
What is Grossjung Foundation's EIN?
Grossjung Foundation's EIN (Employer Identification Number) is 65-6394104. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 1, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS April 14, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 1, 2025)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 1, 2025)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 11, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 20, 2026)
- IRS filings on file for fiscal years 2020–2025
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