Clementine Lockwood Peterson Foundation
To support the Greenwich Library of Greenwich, Connecticut, giving preference to the Business Section and the Recorded Music Department of the Library.
Clementine Lockwood Peterson Foundation at a glance
In short: Clementine Lockwood Peterson Foundation gave $1.2M across 1 grant in 2025 (avg $1.2M), mostly in Connecticut. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $1,238,045
- +0.7% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $1,238,045
- +0.7% vs 2024
- Median grant
- $1,238,045
- Total assets
- $32,229,119
- +1.1% vs 2024
- Primary geography
- Connecticut (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Clementine Lockwood Peterson Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was The Greenwich Library ($1.2M).
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $1–5M range: 5 grants of 5 (100%).
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 Clementine Lockwood Peterson Foundation gives
- Giving held roughly steady from 2022 to 2025 (+3%). 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 2021 to 2025, annual grant giving ranged from $1.2M (2021) to $1.2M (2025). In 2025 it made 1 grant totaling $1.2M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Greenwich Library Greenwich, CT | Support of the Greenwich Library Wing | $1,238,045 |
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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 | $32,229,119 | $1,150,169 | $1,567,211 | $1,238,045 | 1 | $1,074,527 |
| 2024 | $31,879,585 | $1,214,834 | $1,557,860 | $1,229,416 | 1 | $1,221,155 |
| 2023 | $29,669,051 | $66,544 | $1,580,527 | $1,218,952 | 1 | $-49,163 |
| 2022 | $33,464,079 | $3,526,885 | $1,640,016 | $1,200,695 | 1 | $3,428,961 |
| 2021 | $34,728,766 | $2,804,623 | $1,622,105 | $1,186,500 | 1 | $2,857,477 |
About Clementine Lockwood Peterson Foundation
Based on IRS filings
Clementine Lockwood Peterson Foundation is a public charity focused on Education, based in Stamford, CT. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $32.2M in total assets. In 2025, it awarded 1 grant totaling $1.2M. Net investment income was $1.1M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Clementine Lockwood Peterson Foundation's 2025 filing lists 3 officers; 2 of 3 officers listed in 2025 are compensated.
Officers on the 2025 filing
D Mark Gaston
Trustee
On filings since 2021
10 hrs/week
$53K (2021) → $58K (2025)
F Michael Donohue IV
Trustee
On filings since 2021
10 hrs/week
$53K (2021) → $58K (2025)
Howard S Tuthill III
Trustee
On filings since 2021
10 hrs/week
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $58K, to F Michael Donohue IV (Trustee). 2 officers or directors reported compensation on that filing.
Frequently asked questions about Clementine Lockwood Peterson Foundation
How much does Clementine Lockwood Peterson Foundation give each year?
Clementine Lockwood Peterson Foundation gave $1.2M across 1 grant in 2025, according to its 2025 IRS Form 990. In 2024 it gave $1.2M across 1 grant.
How large is Clementine Lockwood Peterson Foundation?
Clementine Lockwood Peterson Foundation reported $32.2M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.2M.
What is Clementine Lockwood Peterson Foundation?
Clementine Lockwood Peterson Foundation is a public charity focused on Education, based in Stamford, CT. It holds $32.2M in total assets as of 2025.
Where does Clementine Lockwood Peterson Foundation operate?
Clementine Lockwood Peterson Foundation has awarded grants in Connecticut.
What is Clementine Lockwood Peterson Foundation's EIN?
Clementine Lockwood Peterson Foundation's EIN (Employer Identification Number) is 06-6377136. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS December 1, 2021)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 15, 2022)
- Updated Form 990 for fiscal year 2023 (received by the IRS November 14, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 14, 2024)
- Updated Form 990 for fiscal year 2025 (received by the IRS November 18, 2025)
- IRS filings on file for fiscal years 2021–2025
Live grants for the work Clementine Lockwood Peterson Foundation funds
Education Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Clementine Lockwood Peterson Foundation's focus areas in our free grants database
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