Frederick Henry Prince Testamentary Trust
The Frederick Henry Prince Testamentary Trust is a private foundation based in Chicago, Illinois. It is associated with Prince Charitable Trusts, whose heirs describe their philanthropy as focused on communities with family roots in Chicago, Washington, D.C., and Newport, Rhode Island, and spanning the arts, environment, youth, and health.
Frederick Henry Prince Testamentary Trust at a glance
In short: Frederick Henry Prince Testamentary Trust gave $4.2M across 203 grants in 2024 (avg $21K), top state Rhode Island. 16% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $4,196,417
- -2.7% vs 2023
- Grants made (2024)
- 203
- -6.5% vs 2023
- Average grant
- $20,672
- +4.0% vs 2023
- Median grant
- $20,000
- Total assets
- $119,892,632
- +7.2% vs 2023
- New grantees (estimate)
- 16% first-time grantees (31 of 191, 2024)
- Primary geography
- Rhode Island (33% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Frederick Henry Prince Testamentary Trust
- Accepts unsolicited proposals
- No
- Invitation Only
-
The trust’s filing lists written proposals, an IRS determination letter under Section 509(a), a current budget, audited financial statements, and descriptive literature as application materials. Prince Charitable Trusts invites organizations whose work aligns with its focus areas to share a brief overview through its Community Inquiry Form. Its website says Chicago fall arts applications are by invitation; it also describes an upcoming open-call arts-and-environment program, with details expected in summer 2026. Its 2025 Washington, D.C. application guidance says that program does not accept unsolicited proposals and requires an invitation to apply. Eligible applicants must be 501(c)(3) public charities classified under Section 509(a)(1) or 509(a)(2). The Trusts do not fund projects promoting or proselytizing religion, though secular projects of faith-based organizations may be funded, and do not fund organizations that discriminate on the listed protected grounds.
- Review Cycle
- The filing states that applications are received throughout the year and that deadlines are usually in January, May, and June. The website lists August 25 for Chicago fall arts applications by invitation.
- Deadline
- The filing states that applications are received throughout the year and that deadlines are usually in January, May,…
- Contact
Application contact: Prince Charitable Trusts
Mailing address: 140 S Dearborn St Ste 1410, Chicago, IL 60603
Phone: (312) 419-8700
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
1 open opportunity from Frederick Henry Prince Testamentary Trust
Who Frederick Henry Prince Testamentary Trust funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Piedmont Environmental Council ($200K). Together the top 10 received $923K.
Grant Size Distribution
1,067 grants across all recorded years
The most common grant size was under $50K: 978 grants of 1,067 (92%).
Geographic Focus
Where this funder awards grants
Prince Charitable Trusts identifies Chicago, Illinois; Washington, D.C.; and Newport, Rhode Island, as its places of focus. The trust’s 2024 grant dollars went primarily to recipients in Rhode Island (33%), Illinois (25%), Virginia (16%), and Washington, D.C. (15%); New York received 4%.
Grant Distribution by State
Share of 2024 grant dollars across all 203 itemized grants.
States
Cities
Is Frederick Henry Prince Testamentary Trust open to new grantees?
16%
first-time grantees, 2024
In 2024, 31 of 191 grantees (16%) were first-time recipients. First grants averaged $11K; repeat grants $24K. How we count
Medians: $7K first-time, $20K repeat.
- 77% of 2024 grantees were also funded in 2023. Method
- Giving held roughly steady from 2021 to 2024 (−5%). Method
- In 2024 it paid out 100% 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 (2020–2024). 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 2024, annual grant giving ranged from $4.0M (2020) to $4.8M (2022). In 2024 it made 203 grants totaling $4.2M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Piedmont Environmental Council Warrenton, VA | general operating support $150,000 and to support public education and advocacy around data center and solar siting $50,000 | $200,000 |
| Piedmont Environmental Council (Coalition for Smarter Growth) Warrenton, VA | for the Regional Land Use, Transportation and Affordable Housing Campaigns | $120,000 |
| Dreaming Out Loud Foundation Washington, DC | general operating support $35,000 and $50,000 to support development of Marion Barry Avenue Market | $85,000 |
| Virginia Conservation Network Richmond, VA | general operating support $40,000 and support of the Shared Trust building for Solar in Virginia project $20,000 | $60,000 |
| All Voting Is Local Washington, DC | work to protect voter right and fair elections (3 year grant 2022-2024 $50,000 per year) | $50,000 |
| Aquidneck Land Trust Middletown, RI | support of the Conservation Strike Fund $250,000 5 year grant; $50,000 per year 2020-2024 | $50,000 |
| Building Bridges Across the River Washington, DC | Building Bridges Farm $25,000 and $25,000 for the 11th Street Bridge Park | $50,000 |
| Campaign Legal Center Inc Washington, DC | work to protect voter right and fair elections (3 year grant 2022-2024 $50,000 per year) | $50,000 |
| Chesapeake Bay Trust Annapolis, MD | support Capacity Building Initiative $25,000 and the Mid-Atlantic Environmental Justice Fund $25,000 | $50,000 |
| Chicago Votes Chicago, IL | general operating support (3 year grant 2022-2024 $50,000 per year) | $50,000 |
Ready to take the next step with Frederick Henry Prince Testamentary Trust?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $119,892,632 | $-197,465 | $6,050,270 | $4,196,417 | 203 | $5,774,090 | $1,301,435 | $5,780,002 |
| 2023 | $111,796,588 | $6,277,774 | $6,010,107 | $4,314,237 | 217 | $5,763,956 | $6,171,206 | $5,144,635 |
| 2022 | $100,681,488 | $5,354,392 | $6,366,339 | $4,772,393 | 216 | $6,133,322 | $5,195,229 | $5,344,311 |
| 2021 | $125,717,434 | $17,884,796 | $6,015,932 | $4,413,470 | 223 | $5,630,148 | $17,734,864 | $5,855,421 |
| 2020 | $119,167,325 | $8,152,318 | $5,428,040 | $4,029,619 | 208 | — | $8,002,035 | $5,166,018 |
Under IRS private-foundation payout rules, Frederick Henry Prince Testamentary Trust reported a distributable amount of $5.8M for 2024 — 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 specific mission statement for the trust is provided. Prince Charitable Trusts identifies funding areas that include Chicago arts, environmental justice, and sports-based youth development; Washington, D.C. arts and culture, resilient land use, and strong democracy; and Newport arts and cultural heritage, environment, and human services.
Its 2024 grantees illustrate the range of organizations supported. Virginia Conservation Network describes its role as coordinating and supporting statewide conservation partners. All Voting Is Local says it works on voter access and election safeguards, while Chicago Votes describes its work as building a more inclusive democracy by engaging young Chicagoans. The Martin Luther King Community Center says it nourishes, educates, and supports Newport County residents to improve their economic and social well-being.
Grantmaking
In 2024, the trust made 203 grants totaling $4,196,417. Individual grants ranged from $100 to $200,000, with a median of $20,000. Notable awards included $200,000 to Piedmont Environmental Council for general operating support and public education and advocacy related to data center and solar siting; $120,000 to Piedmont Environmental Council (Coalition for Smarter Growth) for regional land use, transportation, and affordable housing campaigns; and $85,000 to Dreaming Out Loud Foundation for general operating support and development of Marion Barry Avenue Market.
Other 2024 grants included $60,000 to Virginia Conservation Network, $50,000 each to All Voting Is Local and Campaign Legal Center for work protecting voting rights and fair elections, and $50,000 to Aquidneck Land Trust for its Conservation Strike Fund. Chicago Votes, Building Bridges Across the River, Chesapeake Bay Trust, and the Martin Luther King Community Center each received $50,000.
Leadership & Key People
Officers and directors from IRS filings
Frederick Henry Prince Testamentary Trust is led by Charles Twichell, Co-Executive Director since 2023 (on filings since 2020); all 5 officers listed in 2024 are compensated.
Officers on the 2024 filing
Charles Twichell
Co-Executive Director
Executive Director → Co-Executive Director, 2023
On filings since 2020
35 hrs/week
$195K (2020) → $233K (2024)
Carolynn Brunette
Co-Executive Director
On filings since 2023
35 hrs/week
$208K (2023) → $233K (2024)
Diana C. Prince
Trustee
On filings since 2020
2.5 hrs/week
$35K (2020) → $35K (2024)
Patrick Wood-Prince
Trustee
On filings since 2020
2.5 hrs/week
$35K (2020) → $35K (2024)
Toni Dobbins
CFO
Director of Acct → CFO, 2021
On filings since 2020
35 hrs/week
$131K (2020) → $177K (2024)
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $233K, to Charles Twichell (Co-Executive Director). 5 officers or directors reported compensation on that filing.
Frequently asked questions about Frederick Henry Prince Testamentary Trust
How much does Frederick Henry Prince Testamentary Trust give each year?
Frederick Henry Prince Testamentary Trust gave $4.2M across 203 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $4.3M across 217 grants.
What is Frederick Henry Prince Testamentary Trust's typical grant size?
Frederick Henry Prince Testamentary Trust's median grant in 2024 was $20,000, and its average grant was $20,672, across 203 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Frederick Henry Prince Testamentary Trust that year got $11K on average.
Where does Frederick Henry Prince Testamentary Trust give grants?
Frederick Henry Prince Testamentary Trust's top state is Rhode Island, with 33% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Illinois (25%) and Virginia (16%). The most frequent recipient cities were Chicago, IL (58 grants), Newport, RI (27 grants), Washington, DC (27 grants) and Providence, RI (11 grants).
Does Frederick Henry Prince Testamentary Trust give general operating support?
Yes: 67% of Frederick Henry Prince Testamentary Trust's 2024 grants with a stated purpose (136 of 203) were for general or operating support, per its 2024 IRS Form 990-PF.
Who are Frederick Henry Prince Testamentary Trust's largest grantees?
Frederick Henry Prince Testamentary Trust's largest 2024 grantees include Piedmont Environmental Council ($200,000), Piedmont Environmental Council (Coalition for Smarter Growth) ($120,000) and Aquidneck Land Trust ($110,000 across 3 grants), according to its 2024 IRS Form 990-PF. Together they received 10% of its itemized 2024 grant dollars.
How large is Frederick Henry Prince Testamentary Trust?
Frederick Henry Prince Testamentary Trust reported $119.9M in total assets on its 2024 IRS Form 990-PF. It paid out $5.8M in qualifying distributions that year, against a required minimum of $5.8M (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 Frederick Henry Prince Testamentary Trust fund?
No specific mission statement for the trust is provided. See mission & focus areas ↑
How do I apply for a grant from Frederick Henry Prince Testamentary Trust?
The trust’s filing lists written proposals, an IRS determination letter under Section 509(a), a current budget, audited financial statements, and descriptive literature as application materials. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Frederick Henry Prince Testamentary Trust's EIN?
Frederick Henry Prince Testamentary Trust's EIN (Employer Identification Number) is 36-6009208. IRS Form 990 filing data is available on this page for 2020–2024.
Does Frederick Henry Prince Testamentary Trust accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 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 November 11, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 7, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 6, 2025)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
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Cite this profile
Grantable. (2026). Frederick Henry Prince Testamentary Trust funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/frederick-henry-prince-testamentary-trust-morg_66d7e5e1aa854721aa9de4fcb5c5a229
BibTeX
@misc{grantable_366009208_2026,
author = {{Grantable}},
title = {{Frederick Henry Prince Testamentary Trust funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/frederick-henry-prince-testamentary-trust-morg_66d7e5e1aa854721aa9de4fcb5c5a229},
note = {Accessed 2026-10-10. 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 Frederick Henry Prince Testamentary 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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