Trowbridge Foundation
Trowbridge Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2021 through 2025. In 2025, it awarded 1 grant totaling $68K. Net investment income was $148K.
Trowbridge Foundation at a glance
In short: Trowbridge Foundation gave $68K across 1 grant in 2025 (avg $68K), mostly in Maine. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $67,500
- -20.6% vs 2024
- Grants made (2025)
- 1
- -94.7% vs 2024
- Average grant
- $67,500
- +1408.8% vs 2024
- Median grant
- $67,500
- Primary geography
- Maine (100% 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 Trowbridge Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Midcoast Recreation Center ($68K).
Grant Size Distribution
69 grants across all recorded years
The most common grant size was under $50K: 67 grants of 69 (97%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
Cities
How Trowbridge Foundation gives
- Giving held roughly steady from 2022 to 2025 (−20%). Method
- In 2025 it paid out 104% 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 $64K (2021) to $101K (2023). In 2025 it made 1 grant totaling $68K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Midcoast Recreation Center Rockport, ME | General Purpose | $67,500 |
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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 | — | $165,928 | $96,274 | $67,500 | 1 | $78,314 | $147,968 | $74,944 |
| 2024 | $1,981,077 | $49,324 | $108,367 | $85,000 | 19 | $93,517 | $34,475 | $89,411 |
| 2023 | $1,692,279 | $10,392 | $124,390 | $101,075 | 16 | $109,573 | $10,197 | $81,478 |
| 2022 | $2,071,947 | $252,405 | $112,961 | $84,329 | 19 | $94,688 | $234,133 | $108,861 |
| 2021 | $2,160,864 | $271,092 | $114,745 | $64,057 | 14 | — | $255,353 | $93,323 |
Under IRS private-foundation payout rules, Trowbridge Foundation reported a distributable amount of $75K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Trowbridge Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Caroline W Morong
Trustee
On filings since 2021
1 hr/week
No compensation reported
Wayne P Morong
Trustee
On filings since 2021
1 hr/week
No compensation reported
Kristin T Abati
Trustee
On filings since 2023
1 hr/week
No compensation reported
Former officers (1)
- Former: William A Lowell (2021–2022) — Trustee
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 Trowbridge Foundation
How much does Trowbridge Foundation give each year?
Trowbridge Foundation gave $68K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $85K across 19 grants.
Where does Trowbridge Foundation operate?
Trowbridge Foundation has awarded grants in Arkansas, Arizona, California, Maine, New York.
How much is Trowbridge Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Trowbridge Foundation reported a distributable amount of $75K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Trowbridge Foundation's EIN?
Trowbridge Foundation's EIN (Employer Identification Number) is 04-3372063. 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
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2025
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