Xenon Foundation
Xenon Foundation is a private foundation, based in Warren, VT. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $96K in total assets. In 2025, it awarded 7 grants totaling $12K.
Xenon Foundation at a glance
In short: Xenon Foundation gave $12K across 7 grants in 2025 (avg $2K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $12,341
- +408.9% vs 2024
- Grants made (2025)
- 7
- -22.2% vs 2024
- Average grant
- $1,763
- +554.3% vs 2024
- Median grant
- $500
- Total assets
- $96,208
- +15.5% vs 2024
- Primary geography
- Massachusetts (84% 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 Xenon Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Massachusetts Institute of Technology ($6K). Together the top 7 received $12K.
Grant Size Distribution
33 grants across all recorded years
The most common grant size was under $50K: 33 grants of 33 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
Cities
How Xenon Foundation gives
- Giving grew 219% from 2022 to 2025. Method
- In 2025 it paid out 557% 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 2021 to 2025, annual grant giving ranged from $2K (2024) to $12K (2025). In 2025 it made 7 grants totaling $12K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Massachusetts Institute of Technology Cambridge, MA | Unrestricted | $5,596 |
| Simmons University Boston, MA | Unrestricted | $4,750 |
| Yale University New Haven, CT | Unrestricted | $1,000 |
| Mad River Path Association Waitsfield, VT | Unrestricted | $500 |
| Stowe Performing Arts Stowe, VT | Unrestricted | $215 |
| Mad River Valley Arts Association Waitsfield, VT | Unrestricted | $180 |
| Vermont Public Radio Colchester, VT | Unrestricted | $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 | $96,208 | $51,045 | $24,546 | $12,341 | 7 | $12,341 | — | $2,216 |
| 2024 | $83,304 | $803 | $5,889 | $2,425 | 9 | $2,425 | — | $599 |
| 2023 | $92,287 | $-5,938 | $6,982 | $3,933 | 8 | $3,933 | — | $1,086 |
| 2022 | $108,697 | $8,966 | $11,321 | $3,874 | 7 | $3,874 | $117 | $2,303 |
| 2021 | $107,470 | $18,000 | $9,342 | $3,200 | 2 | — | $10,673 | $2,345 |
Under IRS private-foundation payout rules, Xenon Foundation reported a distributable amount of $2K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Xenon Foundation's only listed officer is Barry Bronfin And Cecile Bronfin, Trustees on every filing since 2021 (uncompensated).
Officers on the 2025 filing
Barry Bronfin And Cecile Bronfin
Trustees
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 Xenon Foundation
How much does Xenon Foundation give each year?
Xenon Foundation gave $12K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $2K across 9 grants.
What is Xenon Foundation's typical grant size?
Xenon Foundation's median grant in 2025 was $500, and its average grant was $1,763, across 7 grants on its 2025 IRS Form 990-PF.
Where does Xenon Foundation give grants?
Xenon Foundation gives mostly in Massachusetts: 84% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Connecticut (8%) and Vermont (8%). The most frequent recipient cities were Waitsfield, VT (2 grants).
Does Xenon Foundation give general operating support?
Yes: 100% of Xenon Foundation's 2025 grants with a stated purpose (7 of 7) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Xenon Foundation's largest grantees?
Xenon Foundation's largest 2025 grantees include Massachusetts Institute of Technology ($5,596), Simmons University ($4,750) and Yale University ($1,000), according to its 2025 IRS Form 990-PF. Together they received 92% of its itemized 2025 grant dollars.
How large is Xenon Foundation?
Xenon Foundation reported $96K in total assets on its 2025 IRS Form 990-PF. It paid out $12K in qualifying distributions that year, against a required minimum of $2K (roughly 5% of its investment assets).
What is Xenon Foundation's EIN?
Xenon Foundation's EIN (Employer Identification Number) is 06-6438901. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 12, 2021)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 8, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work Xenon Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Xenon Foundation's focus areas in our free grants database
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