Windhover Foundation

Private foundation · Grantmaker Portsmouth, NH EIN: 31-1630033

Windhover Foundation is a private foundation based in Portsmouth, New Hampshire, that made 36 grants totaling $175,000 in 2025. Its filing states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Windhover Foundation at a glance

In short: Windhover Foundation gave $175K across 36 grants in 2025 (avg $5K), top state Maine. 28% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$175,000
+14.0% vs 2024
Grants made (2025)
36
+28.6% vs 2024
Average grant
$4,861
-11.3% vs 2024
Median grant
$2,500
Total assets
$1,478,126
-6.7% vs 2024
New grantees (estimate)
28% first-time grantees (10 of 36, 2025)
Primary geography
Maine (32% 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 Windhover Foundation

Accepts unsolicited proposals
No
How to Apply

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

Contact

Mailing address: 100 Market Street Suite 302, Portsmouth, NH 03801

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

Who Windhover Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Islesboro Affordable Property: $30KIslesboro Affordable Property$30KTomorrow's Education Network: $25KTomorrow's Education Network$25KLesley University: $15KLesley University$15KThe Polg Foundation: $13KThe Polg Foundation$13KPlanned Parenthood of Greater NY: $10KPlanned Parenthood of GreaterNY$10KIslesboro Islands Trust: $7KIslesboro Islands Trust$7KIslesboro Community Fund: $7KIslesboro Community Fund$7KJoslin Diabetes Center: $5KJoslin Diabetes Center$5KCorning Meals on Wheels: $5KCorning Meals on Wheels$5KIslesboro Community Center: $5KIslesboro Community Center$5K

The largest 2025 recipient was Islesboro Affordable Property ($30K). Together the top 10 received $122K.

Grant Size Distribution

145 grants across all recorded years

145<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 145 grants of 145 (100%).

Geographic Focus

Where this funder awards grants

In 2025, the largest shares of grant dollars went to recipients in Maine (32%), Massachusetts (27%), New York (20%), and New Jersey (14%). California received 4% of grant dollars.

Grant Distribution by State

8states

Share of 2025 grant dollars across all 36 itemized grants.

Cities

IslesboroBostonCambridgeNew YorkLos AngelesCorningDorchesterIthacaCamdenTowacoAugustaIsleboroPainted PostWashingtonBaton RougeBeavertonBrooklynIpswichLincolnRockland

Is Windhover Foundation open to new grantees?

28%

first-time grantees, 2025

In 2025, 10 of 36 grantees (28%) were first-time recipients. First grants averaged $2K; repeat grants $6K. How we count

Medians: $1K first-time, $5K repeat.

  • 69% of 2025 grantees were also funded in 2024. Method
  • Giving grew 34% from 2022 to 2025. Method
  • In 2025 it paid out 152% 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$50K$100K$150K$200K22 grants2019 26 grants2020 26 grants2021 27 grants2022 28 grants2023 28 grants2024 36 grants2025

From 2019 to 2025, annual grant giving ranged from $126K (2019) to $175K (2025). In 2025 it made 36 grants totaling $175K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Islesboro Affordable Property Islesboro, MEGeneral Support$30,000
Tomorrow's Education Network Towaco, NJGeneral Support$25,000
Lesley University Cambridge, MAGeneral Support$15,000
The Polg Foundation New York, NYGeneral Support$12,500
Planned Parenthood of Greater NY New York, NYGeneral Support$10,000
Islesboro Islands Trust Islesboro, MEGeneral Support$7,000
Islesboro Community Fund Islesboro, MEGeneral Support$7,000
Joslin Diabetes Center Boston, MAGeneral Support$5,000
Corning Meals on Wheels Corning, NYgeneral support$5,000
Islesboro Community Center Islesboro, MEGeneral Support$5,000
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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$1,478,126$82,277$188,083$175,00036$175,000$74,238$114,807
2024$1,583,932$680,087$162,294$153,50028$153,500$173,117$87,254
2023$1,486,959$54,666$164,424$156,00028$156,000$46,492$79,322
2022$1,596,715$-59,488$141,797$131,00027$131,000$22,976$84,114
2021$1,802,016$83,225$148,594$136,00026$136,000$68,558$100,051
2020$1,867,385$331,241$154,689$130,00026—$309,302$85,128
2019$1,667,432$12,097$143,082$126,00022—$22,945$92,584

Under IRS private-foundation payout rules, Windhover Foundation reported a distributable amount of $115K 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 is stated in the available information. Its 2025 grantees illustrate a range of charitable activities: Islesboro Affordable Property describes its mission as helping maintain and grow Islesboro as a year-round community, including by supporting housing for permanent residents. Lesley University describes its work as providing transformative education, while The POLG Foundation says it addresses unmet medical needs related to POLG disorders.

Other grantees’ missions include preserving open space and advocating for the Islesboro area’s environment (Islesboro Islands Trust), supporting community members in areas such as education and medical needs (Islesboro Community Fund), and providing meals to homebound people who are ill or elderly (Corning Meals on Wheels).

Grantmaking

In 2025, the foundation reported 36 grants totaling $175,000. Grants ranged from $500 to $30,000, with a median grant of $2,500. Notable awards included $30,000 to Islesboro Affordable Property; $25,000 to Tomorrow’s Education Network; $15,000 to Lesley University; $12,500 to The POLG Foundation; and $10,000 to Planned Parenthood of Greater NY. The listed grant purposes were generally support.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists May K Houghton as president; Nina B Houghton as vice president and secretary; James D Houghton as treasurer; and Connie B Coburn as director.

Windhover Foundation is led by May K. Houghton, President on every filing since 2019; none of the 4 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • May K. Houghton

    President

    On filings since 2019

    0.3 hrs/week

    No compensation reported

  • Connie B. Coburn

    Director

    On filings since 2019

    0.3 hrs/week

    No compensation reported

  • James D. Houghton

    Treasurer

    President Emeritus & Treasurer → Treasurer, 2023

    On filings since 2019

    0.3 hrs/week

    No compensation reported

  • Nina B. Houghton

    Vice President & Secretary

    On filings since 2019

    0.3 hrs/week

    No compensation reported

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 Windhover Foundation

How much does Windhover Foundation give each year?

Windhover Foundation gave $175K across 36 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $154K across 28 grants.

What is Windhover Foundation's typical grant size?

Windhover Foundation's median grant in 2025 was $2,500, and its average grant was $4,861, across 36 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Windhover Foundation that year got $2K on average.

Where does Windhover Foundation give grants?

Windhover Foundation's top state is Maine, with 32% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Massachusetts (27%) and New York (20%). The most frequent recipient cities were Islesboro, ME (10 grants), Boston, MA (5 grants), Cambridge, MA (4 grants) and New York, NY (4 grants).

Does Windhover Foundation give general operating support?

Yes: 100% of Windhover Foundation's 2025 grants with a stated purpose (36 of 36) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Windhover Foundation's largest grantees?

Windhover Foundation's largest 2025 grantees include Islesboro Affordable Property ($30,000), Tomorrow's Education Network ($25,000) and Lesley University ($15,000), according to its 2025 IRS Form 990-PF. Together they received 40% of its itemized 2025 grant dollars.

How large is Windhover Foundation?

Windhover Foundation reported $1.5M in total assets on its 2025 IRS Form 990-PF. It paid out $175K in qualifying distributions that year, against a required minimum of $115K (roughly 5% of its investment assets).

What does Windhover Foundation fund?

No foundation mission is stated in the available information. Its 2025 grantees illustrate a range of charitable activities: Islesboro Affordable Property describes its mission as helping maintain and grow Islesboro as a year-round community, including by supporting housing for permanent residents. See mission & focus areas ↑

How do I apply for a grant from Windhover Foundation?

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

What is Windhover Foundation's EIN?

Windhover Foundation's EIN (Employer Identification Number) is 31-1630033. IRS Form 990 filing data is available on this page for 2019–2025.

Does Windhover 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

(3)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS September 4, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS August 5, 2026)
  3. IRS filings on file for fiscal years 2019–2024

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Cite this profile

Grantable. (2026). Windhover Foundation funder profile. GrantGraph. Retrieved October 13, 2026, from https://grantable.co/funders/windhover-foundation-morg_312903611b914703908c580bcb91d0a3

BibTeX
@misc{grantable_311630033_2026,
  author       = {{Grantable}},
  title        = {{Windhover Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/windhover-foundation-morg_312903611b914703908c580bcb91d0a3},
  note         = {Accessed 2026-10-13. 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 Windhover 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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