Squirrel Island Preservation Foundation
To support resource conservation, education, health, culture, and public facilities for Squirrel Island, Maine.
Squirrel Island Preservation Foundation at a glance
In short: Squirrel Island Preservation Foundation gave $338K across 1 grant in 2025 (avg $338K), mostly in Maine. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $338,000
- +38.0% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $338,000
- +38.0% vs 2024
- Median grant
- $338,000
- Total assets
- $10,920,147
- +12.1% vs 2024
- Primary geography
- Maine (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Squirrel Island Preservation Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Squirrel Island Village Corporation ($338K).
Grant Size Distribution
4 grants across all recorded years
The most common grant size was in the $100–250K range: 2 grants of 4 (50%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Squirrel Island Preservation Foundation gives
- Giving held roughly steady from 2022 to 2025 (+6%). Method
From the foundation's IRS Form 990 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 $140K (2021) to $338K (2025). In 2025 it made 1 grant totaling $338K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Squirrel Island Village Corporation Boothbay Harbor, ME | Capital projects and general operating support. | $338,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $10,920,147 | $357,753 | $402,546 | $338,000 | 1 | $315,786 |
| 2024 | $9,742,145 | $343,029 | $304,971 | $245,000 | 1 | $263,031 |
| 2023 | $9,042,086 | $138,656 | $54,276 | — | — | $95,566 |
| 2022 | $7,931,359 | $651,008 | $374,156 | $320,000 | 1 | $620,240 |
| 2021 | $9,401,246 | $1,144,914 | $197,753 | $140,000 | 1 | $1,123,875 |
| 2020 | $8,425,731 | $192,683 | $379,237 | $325,000 | 1 | $169,293 |
| 2019 | $8,118,660 | $508,217 | $53,206 | — | — | $483,762 |
About Squirrel Island Preservation Foundation
Based on IRS filings
Squirrel Island Preservation Foundation is a public charity focused on Environment & Animals, based in Portland, ME. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $10.9M in total assets. In 2025, it awarded 1 grant totaling $338K. Net investment income was $316K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Squirrel Island Preservation Foundation is led by William Thomas, President & Secretary since 2021 (on filings since 2019); none of the 7 officers listed in 2025 report compensation.
Officers on the 2025 filing
William Thomas
President & Secretary
Trustee → President, 2020
President → President & Secretary, 2021
On filings since 2019
1 hr/week
No compensation reported
Barbara Howaniec
Trustee
On filings since 2019
0.5 hrs/week
No compensation reported
Arthur Veasey
Trustee
On filings since 2023
0.5 hrs/week
No compensation reported
Leslie Jacob
Trustee
On filings since 2024
0.5 hrs/week
No compensation reported
Taylor Mandell
Trustee
On filings since 2024
0.5 hrs/week
No compensation reported
Nina H Garrison
Treasurer
On filings since 2019
0.5 hrs/week
No compensation reported
David Splaine
Vice President
Trustee → Vice President, 2021
On filings since 2020
0.5 hrs/week
No compensation reported
Former officers (7)
- Former: Paula Bokesch (2019–2024) — Trustee
- Former: Debby Kerr (2023–2024) — Trustee
- Former: Jeff Morton (2019–2023) — Trustee
- Former: Randall Hack (2019–2022) — Trustee
- Former: Ashley Randlett (2019–2021) — Secretary
- Former: Maurice Knapp (2019–2020) — President
- Former: Heather Cheney (2019) — Secretary
Data from IRS Form 990 filings, 2019–2025. "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 Squirrel Island Preservation Foundation
How much does Squirrel Island Preservation Foundation give each year?
Squirrel Island Preservation Foundation gave $338K across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $245K across 1 grant.
How large is Squirrel Island Preservation Foundation?
Squirrel Island Preservation Foundation reported $10.9M in total assets on its 2025 IRS Form 990. Its revenue that year was $358K.
What is Squirrel Island Preservation Foundation?
Squirrel Island Preservation Foundation is a public charity focused on Environment & Animals, based in Portland, ME. It holds $10.9M in total assets as of 2025.
Where does Squirrel Island Preservation Foundation operate?
Squirrel Island Preservation Foundation has awarded grants in Maine.
What is Squirrel Island Preservation Foundation's EIN?
Squirrel Island Preservation Foundation's EIN (Employer Identification Number) is 22-2875544. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS May 3, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 9, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS June 1, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 6, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 8, 2026)
- Added Form 990 for fiscal year 2019 (received by the IRS May 26, 2020)
- IRS filings on file for fiscal years 2020–2024
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