Bronson Family Foundation

Private foundation · Grantmaker Wilmington, DE EIN: 47-2323601

Bronson Family Foundation is a private foundation based in Wilmington, Delaware. In filing year 2025, it reported 10 grants totaling $28,165 to organizations in Maine, Vermont, New Hampshire, and Massachusetts.

Bronson Family Foundation at a glance

In short: Bronson Family Foundation gave $28K across 10 grants in 2025 (avg $3K), top state Maine. 20% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$28,165
-8.2% vs 2024
Grants made (2025)
10
-28.6% vs 2024
Average grant
$2,817
+28.6% vs 2024
Median grant
$2,667
Total assets
$708,877
+5.6% vs 2024
New grantees (estimate)
20% first-time grantees (2 of 10, 2025; small sample)
Primary geography
Maine (43% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Bronson Family Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations.

Contact

Mailing address: Foundation Source 501 Silverside Rd, Wilmington, DE 19809-1377
Phone: (800) 839-1754

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Bronson Family Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Rochester Area Sports Trails Alliance: $4KRochester Area Sports TrailsAlliance$4KMahoosuc Land Trust Inc: $4KMahoosuc Land Trust Inc$4KVermont Land Trust Inc: $4KVermont Land Trust Inc$4KCultivating Community: $3KCultivating Community$3KNew England Mountain Bike Association Inc: $3KNew England Mountain BikeAssociation Inc$3KPortland Trails: $3KPortland Trails$3KMaine Island Trail Association: $2KMaine Island Trail Association$2KKilham Bear Center Inc: $2KKilham Bear Center Inc$2KGranite Backcountry Alliance: $2KGranite Backcountry Alliance$2KLondonderry Volunteer Rescue Squad: $1KLondonderry Volunteer RescueSquad$1K

The largest 2025 recipient was Rochester Area Sports Trails Alliance ($4K). Together the top 10 received $28K.

Grant Size Distribution

70 grants across all recorded years

70<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 70 grants of 70 (100%).

Geographic Focus

Where this funder awards grants

In 2025, Maine received 43% of grant dollars, Vermont 34%, New Hampshire 14%, and Massachusetts 9%.

Grant Distribution by State

8states

Share of 2025 grant dollars across all 10 itemized grants.

Cities

PortlandDenverBethelMontpelierKillingtonLondonderryLymeBurlingtonMilbridgeNorth ConwayActonFalmouthWest MysticNew YorkConwayVeniceArlingtonBrunswickCold Spring HarborPasadena

Is Bronson Family Foundation open to new grantees?

20%

first-time grantees, 2025

In 2025, 2 of 10 grantees (20%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $3K; repeat grants $3K. How we count

Medians: $3K first-time, $3K repeat.

  • 80% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−17%). Method
  • In 2025 it paid out 100% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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

$0$10K$20K$30K$40K12 grants2019 15 grants2020 17 grants2021 15 grants2022 14 grants2023 14 grants2024 10 grants2025

From 2019 to 2025, annual grant giving ranged from $28K (2025) to $38K (2020). In 2025 it made 10 grants totaling $28K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Rochester Area Sports Trails Alliance Rochester, VTGeneral & Unrestricted$4,333
Mahoosuc Land Trust Inc Bethel, MEGeneral & Unrestricted$4,000
Vermont Land Trust Inc Montpelier, VTGeneral & Unrestricted$4,000
Cultivating Community Portland, MEGeneral & Unrestricted$3,000
New England Mountain Bike Association Inc Acton, MAPortland Maine Chapter fund$2,667
Portland Trails Portland, MEGeneral & Unrestricted$2,666
Maine Island Trail Association Portland, MEGeneral & Unrestricted$2,333
Kilham Bear Center Inc Lyme, NHGeneral & Unrestricted$2,000
Granite Backcountry Alliance North Conway, NHGeneral & Unrestricted$1,833
Londonderry Volunteer Rescue Squad Londonderry, VTGeneral & Unrestricted$1,333
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$708,877$91,584$53,686$28,16510$39,333$81,205$39,153
2024$670,979$151,366$52,164$30,66814$41,617$140,819$36,926
2023$571,777$8,932$51,558$32,08314$42,818$2,689$33,710
2022$614,403$-9,789$54,696$33,83215$44,357$5,699$34,818
2021$678,888$121,450$55,801$37,49717$44,454$111,167$38,753
2020$613,239$57,358$54,624$37,66615—$48,931$32,899
2019$610,505$35,976$50,736$33,99912—$22,443$34,834

Under IRS private-foundation payout rules, Bronson Family Foundation reported a distributable amount of $39K 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 foundation mission statement is provided. Its 2025 grants went to organizations whose own missions include protecting land and natural resources, supporting trails and outdoor recreation, and advancing food justice. For example, Vermont Land Trust describes its work as helping people protect, care for, and connect to land, while Mahoosuc Land Trust says it works to conserve land and traditional land uses, including farming and recreation.

Other 2025 grantees describe their missions as growing food justice in Greater Portland (Cultivating Community), advancing a recreational water trail through stewardship of Maine’s wild islands (Maine Island Trail Association), and promoting low-impact backcountry skiing in New Hampshire and western Maine (Granite Backcountry Alliance). Portland Trails describes work to expand and enhance its trail network and foster community partnerships and climate-resilient infrastructure.

Grantmaking

In filing year 2025, the foundation reported 10 grants totaling $28,165. Grants ranged from $1,333 to $4,333, with a median of $2,666.

The largest grants were $4,333 to Rochester Area Sports Trails Alliance and $4,000 each to Mahoosuc Land Trust and Vermont Land Trust. Other grants included $3,000 to Cultivating Community; $2,667 to New England Mountain Bike Association, designated for its Portland, Maine chapter fund; $2,666 to Portland Trails; $2,333 to Maine Island Trail Association; $2,000 to Kilham Bear Center; $1,833 to Granite Backcountry Alliance; and $1,333 to Londonderry Volunteer Rescue Squad. The stated purposes were “General & Unrestricted” except for the New England Mountain Bike Association grant.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Nathaniel R Bronson III as president, director, and treasurer; Katharine Quimby Bronson as vice president; and William Jewett Bronson as secretary.

Bronson Family Foundation is led by Nathaniel R Bronson III, President, Director & Treasurer on every filing since 2019; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Nathaniel R Bronson III

    President, Director & Treasurer

    On filings since 2019

    1 hr/week

    No compensation reported

  • Katharine Quimby Bronson

    Vice President

    On filings since 2024

    1 hr/week

    No compensation reported

  • William Jewett Bronson

    Secretary

    On filings since 2024

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Jean Madden (2019–2024) — Secretary & Vice President

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 Bronson Family Foundation

How much does Bronson Family Foundation give each year?

Bronson Family Foundation gave $28K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $31K across 14 grants.

What is Bronson Family Foundation's typical grant size?

Bronson Family Foundation's median grant in 2025 was $2,667, and its average grant was $2,817, across 10 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Bronson Family Foundation that year got $3K on average.

Where does Bronson Family Foundation give grants?

Bronson Family Foundation's top state is Maine, with 43% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Vermont (34%) and New Hampshire (14%). The most frequent recipient cities were Portland, ME (3 grants).

Does Bronson Family Foundation give general operating support?

Yes: 90% of Bronson Family Foundation's 2025 grants with a stated purpose (9 of 10) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Bronson Family Foundation's largest grantees?

Bronson Family Foundation's largest 2025 grantees include Rochester Area Sports Trails Alliance ($4,333), Mahoosuc Land Trust Inc ($4,000) and Vermont Land Trust Inc ($4,000), according to its 2025 IRS Form 990-PF. Together they received 44% of its itemized 2025 grant dollars.

How large is Bronson Family Foundation?

Bronson Family Foundation reported $709K in total assets on its 2025 IRS Form 990-PF. It paid out $39K in qualifying distributions that year, against a required minimum of $39K (roughly 5% of its investment assets).

What does Bronson Family Foundation fund?

No foundation mission statement is provided. Its 2025 grants went to organizations whose own missions include protecting land and natural resources, supporting trails and outdoor recreation, and advancing food justice. See mission & focus areas ↑

How do I apply for a grant from Bronson Family Foundation?

The foundation does not accept unsolicited requests for funds and states that it makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Bronson Family Foundation's EIN?

Bronson Family Foundation's EIN (Employer Identification Number) is 47-2323601. IRS Form 990 filing data is available on this page for 2019–2025.

Does Bronson Family Foundation 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

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS September 9, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS April 5, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 3, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS June 6, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS April 4, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS August 13, 2025)
  7. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 3, 2026)
  8. IRS filings on file for fiscal years 2019–2025

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Bronson Family Foundation'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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