Caswell Silver Foundation
Provide scholarships, fellowships, and other miscellaneous support to the university of new mexico department of earth and planetary sciences.
Key facts about Caswell Silver Foundation
In short: Caswell Silver Foundation gave $88K across 1 grant in 2025 (avg $88K), mostly in New Mexico. Source: 2025 IRS Form 990.
- EIN
- 85-0283465
- Latest 990 filing
- Form 990, 2025
- Annual giving (2025)
- $88,354
- Grants made (2025)
- 1
- Average grant
- $88,354
- Median grant
- $88,354
- Total assets
- $3,648,471
- Primary geography
- New Mexico (100% of itemized 2025 grant dollars)
Data from IRS Form 990, 2025; updated September 2026.
Financial Overview
From 2025 IRS Form 990 · View filing
Total Assets
$3.6M
+11.1% YoY
Annual Giving
$88K
-10.6% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$88K
-10.6% YoY
How Caswell Silver Foundation gives
- Giving held roughly steady from 2022 to 2025 (−1%). Method
From the foundation's IRS Form 990 filings. Methodology.
About Caswell Silver Foundation
Based on IRS filings
Caswell Silver Foundation is a nonprofit organization, based in Albuquerque, NM. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $3.6M in total assets. In 2025, it awarded 1 grant totaling $88K. Net investment income was $256K.
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 1 itemized 2025 grant dollars.
States
Cities
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2025
Grant Size Distribution
5 grants across all recorded years
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| DEPARTMENT OF EARTH AND PLANETARY SCIENCES Albuquerque, NM | FELLOWSHIPS | $88,354 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $3,648,471 | $3,283,840 | $2,910,493 |
| Revenue | $255,772 | $389,830 | $199,096 |
| Expenses | $120,032 | $127,417 | $109,853 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $255,622 | $383,432 | $199,096 |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2025 (received by the IRS July 15, 2026)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Officers and directors from IRS filings
Caswell Silver Foundation is led by Peter Castiglia, Director & President since 2023 (on filings since 2021); none of the 7 officers listed in 2025 report compensation.
Officers on the 2025 filing
Peter Castiglia
Director & President
Director → Director & President, 2023
On filings since 2021
1 hr/week
No compensation reported
John Shomaker
Director
President → President & Director, 2023
President & Director → Director, 2024
On filings since 2020
1 hr/week
No compensation reported
Lindsay Lowe Worthington
Director
On filings since 2020
1 hr/week
No compensation reported
Sue Silver Harivandi
Director
On filings since 2020
1 hr/week
No compensation reported
Anne Tillery
Director & Vice President
Director → Director & Vice President, 2023
On filings since 2022
1 hr/week
No compensation reported
Shaleene Chavarria
Director
On filings since 2023
1 hr/week
No compensation reported
Joseph Galewsky
Director
On filings since 2024
1 hr/week
No compensation reported
Former officers (4)
- Former: Peter Fawcett (2020–2024) — Secretary
- Former: Patrick Gratton (2020–2023) — Vice President & Treasurer
- Former: Leon Silver (2020–2022) — President Emeritus
- Former: Adrian Brearley (2020) — 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 Caswell Silver Foundation
How much does Caswell Silver Foundation give each year?
Caswell Silver Foundation gave $88K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $99K across 1 grant.
How large is Caswell Silver Foundation?
Caswell Silver Foundation reported $3.6M in total assets on its 2025 IRS Form 990. Its revenue that year was $256K.
Where does Caswell Silver Foundation operate?
Caswell Silver Foundation has awarded grants in New Mexico.
What is Caswell Silver Foundation's EIN?
Caswell Silver Foundation's EIN (Employer Identification Number) is 85-0283465. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Here's the math on researching Caswell Silver Foundation by hand.
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