Clara B Winthrop Charitable Trust
The Clara B Winthrop Charitable Trust is a private foundation based in Boston, Massachusetts. It makes grants to charitable organizations; its 2025 filing states that its giving is not restricted to preselected organizations.
Clara B Winthrop Charitable Trust at a glance
In short: Clara B Winthrop Charitable Trust gave $278K across 28 grants in 2025 (avg $10K), mostly in Massachusetts. 7% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $277,920
- +1.1% vs 2024
- Grants made (2025)
- 28
- +0.0% vs 2024
- Average grant
- $9,926
- +1.1% vs 2024
- Median grant
- $10,080
- Total assets
- $3,755,364
- +5.2% vs 2024
- New grantees (estimate)
- 7% first-time grantees (2 of 28, 2025)
- Primary geography
- Massachusetts (93% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Clara B Winthrop Charitable Trust
- How to Apply
-
Applications may be submitted in any form that reasonably informs the trustees about the applicant’s exempt status, general financial situation, and reason for requesting a grant. Awards are limited to charitable organizations in Massachusetts or in a state that exempts bequests to Massachusetts organizations. The trust does not restrict giving to preselected organizations.
- Contact
Application contact: Peter P Brown
Mailing address: C/O Welch Forbes 45 School Stree, Boston, MA 02108
Phone: (617) 523-1635
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Clara B Winthrop Charitable Trust funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Manchester Public Library ($16K). Together the top 10 received $134K.
Grant Size Distribution
139 grants across all recorded years
The most common grant size was under $50K: 139 grants of 139 (100%).
Geographic Focus
Where this funder awards grants
The 2025 grant dollars were reported as 93% to recipients in Massachusetts, 5% in Maine, and 3% in the District of Columbia.
Grant Distribution by State
Share of 2025 grant dollars across all 28 itemized grants.
Cities
Is Clara B Winthrop Charitable Trust open to new grantees?
7%
first-time grantees, 2025
In 2025, 2 of 28 grantees (7%) were first-time recipients. First grants averaged $9K; repeat grants $10K. How we count
Medians: $9K first-time, $10K repeat.
- 89% of 2025 grantees were also funded in 2024. Method
- Giving grew 39% from 2022 to 2025. Method
- In 2025 it paid out 96% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $200K (2020) to $278K (2025). In 2025 it made 28 grants totaling $278K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Manchester Public Library Manchesterbythesea, MA | Purchase Books and | $15,840 |
| Town of Manchester-by- Manchesterbythesea, MA | Maintenance and Upkeep of | $14,400 |
| VNA Care Network Danvers, MA | General Fund | $14,400 |
| Massachusetts Historical Boston, MA | General Fund | $12,960 |
| Library of the Boston Boston, MA | General Fund | $12,960 |
| St John's Episcopal Beverly, MA | General Fund | $12,960 |
| Bowdoin College Brunswick, ME | James Bowdoin Scholarship | $12,960 |
| Boston Children's Hospital Trust Boston, MA | Every Child Fund | $12,960 |
| Beverly Hospital Beverly, MA | Beverly Hospital Greatest | $12,960 |
| Brigham & Women's Hospital Boston, MA | President's Unrestricted | $11,520 |
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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 | $3,755,364 | $511,620 | $326,879 | $277,920 | 28 | $277,920 | $463,234 | $289,805 |
| 2024 | $3,570,623 | $111,962 | $322,102 | $275,003 | 28 | $275,003 | $65,682 | $274,174 |
| 2023 | $3,780,763 | $66,759 | $251,461 | $210,000 | 28 | $210,000 | $40,478 | $222,728 |
| 2022 | $3,965,465 | $74,516 | $245,723 | $200,000 | 28 | $200,000 | $35,793 | $216,009 |
| 2021 | $4,138,972 | $917,787 | $350,745 | $230,200 | 27 | $230,200 | $876,473 | $227,194 |
| 2020 | $3,571,930 | $1,896,748 | $246,028 | $200,000 | 28 | — | $1,858,350 | $176,222 |
Under IRS private-foundation payout rules, Clara B Winthrop Charitable Trust reported a distributable amount of $290K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the trust is provided. Its 2025 grants include support for libraries, hospitals, a college scholarship, a museum, an aquarium, public radio, and health care organizations. These examples reflect the grantees’ work: VNA Care Network describes its mission as providing home and community health care, while the Museum of Science says it aims to inspire a lifelong love of science and make scientific thinking accessible. The New England Aquarium describes its work as public engagement and education, marine animal conservation, research, and ocean advocacy. Bowdoin College says its mission is to educate students in the liberal arts and develop their creative, social, and leadership abilities.
Grantmaking
In 2025, the trust reported 28 grants totaling $277,920. Grant amounts ranged from $1,440 to $15,840, with a median of $10,080. Notable grants included $15,840 to Manchester Public Library; $14,400 each to the Town of Manchester-by-the-Sea and VNA Care Network; and $12,960 each to Massachusetts Historical, the Library of the Boston, St. John’s Episcopal, Bowdoin College, Boston Children’s Hospital Trust, and Beverly Hospital.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Peter P. Brown and Theodore E. Ober as trustees.
Clara B Winthrop Charitable Trust's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Peter P. Brown
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Theodore E. Ober
Trustee
On filings since 2020
2 hrs/week
No compensation reported
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 Clara B Winthrop Charitable Trust
How much does Clara B Winthrop Charitable Trust give each year?
Clara B Winthrop Charitable Trust gave $278K across 28 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $275K across 28 grants.
What is Clara B Winthrop Charitable Trust's typical grant size?
Clara B Winthrop Charitable Trust's median grant in 2025 was $10,080, and its average grant was $9,926, across 28 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Clara B Winthrop Charitable Trust that year got $9K on average.
Where does Clara B Winthrop Charitable Trust give grants?
Clara B Winthrop Charitable Trust gives mostly in Massachusetts: 93% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boston, MA (14 grants), Manchesterbythesea, MA (3 grants) and Beverly, MA (3 grants).
Does Clara B Winthrop Charitable Trust give general operating support?
Yes: 68% of Clara B Winthrop Charitable Trust's 2025 grants with a stated purpose (19 of 28) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Clara B Winthrop Charitable Trust's largest grantees?
Clara B Winthrop Charitable Trust's largest 2025 grantees include Manchester Public Library ($15,840), Town of Manchester-by- ($14,400) and VNA Care Network ($14,400), according to its 2025 IRS Form 990-PF. Together they received 16% of its itemized 2025 grant dollars.
How large is Clara B Winthrop Charitable Trust?
Clara B Winthrop Charitable Trust reported $3.8M in total assets on its 2025 IRS Form 990-PF. It paid out $278K in qualifying distributions that year, against a required minimum of $290K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does Clara B Winthrop Charitable Trust fund?
No mission statement for the trust is provided. Its 2025 grants include support for libraries, hospitals, a college scholarship, a museum, an aquarium, public radio, and health care organizations. See mission & focus areas ↑
How do I apply for a grant from Clara B Winthrop Charitable Trust?
Applications may be submitted in any form that reasonably informs the trustees about the applicant’s exempt status, general financial situation, and reason for requesting a grant. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Clara B Winthrop Charitable Trust's EIN?
Clara B Winthrop Charitable Trust's EIN (Employer Identification Number) is 04-6039972. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 11, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS May 6, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 27, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 6, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 25, 2025)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 4, 2026)
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Cite this profile
Grantable. (2026). Clara B Winthrop Charitable Trust funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/clara-b-winthrop-charitable-trust-morg_41a3ec4f40bb4df89fe8939a587a3e47
BibTeX
@misc{grantable_046039972_2026,
author = {{Grantable}},
title = {{Clara B Winthrop Charitable Trust funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/clara-b-winthrop-charitable-trust-morg_41a3ec4f40bb4df89fe8939a587a3e47},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Clara B Winthrop Charitable Trust's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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