Tunder Foundation
Tunder Foundation is a private foundation, based in Wexford, PA. IRS filing data is available from 2024 through 2025. As of 2025, the organization holds $536K in total assets. In 2025, it awarded 4 grants totaling $10K. Net investment income was $6K.
Tunder Foundation at a glance
In short: Tunder Foundation gave $10K across 4 grants in 2025 (avg $2K), top state Tennessee. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $9,604
- Grants made (2025)
- 4
- Average grant
- $2,401
- Median grant
- $2,500
- Total assets
- $536,238
- +37.5% vs 2024
- Primary geography
- Tennessee (26% 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 Tunder Foundation funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was St Jude Children's Research ($3K). Together the top 4 received $10K.
Grant Size Distribution
4 grants across all recorded years
The most common grant size was under $50K: 4 grants of 4 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
Cities
How Tunder Foundation gives
- In 2025 it paid out 49% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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
In 2025 it made 4 grants totaling $10K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| St Jude Children's Research Memphis, TN | General Support | $2,504 |
| Stephen Siller Tunnel to Towers Fou Staten Island, NY | General Support | $2,500 |
| Children's Hospital of Pittsburgh Pittsburgh, PA | General Support | $2,500 |
| Breckenridge Outdoor Education Ctr Breckenridge, CO | General Support | $2,100 |
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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 | $536,238 | $155,842 | $9,604 | $9,604 | 4 | $9,604 | $5,842 | $19,505 |
| 2024 | $390,000 | $390,000 | — | — | — | — | — | $9,604 |
Under IRS private-foundation payout rules, Tunder Foundation reported a distributable amount of $20K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Tunder Foundation is led by George Tunder, President on every filing since 2024; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
George Tunder
President
On filings since 2024
1 hr/week
No compensation reported
Michael Tunder
Treasurer
On filings since 2024
1 hr/week
No compensation reported
Robert Ronk
Secretary
On filings since 2024
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2024–2025. "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 Tunder Foundation
How much does Tunder Foundation give each year?
Tunder Foundation gave $10K across 4 grants in 2025, according to its 2025 IRS Form 990-PF.
What is Tunder Foundation's typical grant size?
Tunder Foundation's median grant in 2025 was $2,500, and its average grant was $2,401, across 4 grants on its 2025 IRS Form 990-PF.
Where does Tunder Foundation give grants?
Tunder Foundation's top state is Tennessee, with 26% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New York (26%) and Pennsylvania (26%).
Does Tunder Foundation give general operating support?
Yes: 100% of Tunder Foundation's 2025 grants with a stated purpose (4 of 4) were for general or operating support, per its 2025 IRS Form 990-PF.
How large is Tunder Foundation?
Tunder Foundation reported $536K in total assets on its 2025 IRS Form 990-PF. It paid out $10K in qualifying distributions that year, against a required minimum of $20K (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 is Tunder Foundation's EIN?
Tunder Foundation's EIN (Employer Identification Number) is 33-2400485. IRS Form 990 filing data is available on this page for 2024–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2024 (received by the IRS November 15, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 15, 2026)
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