The Windover Foundation

Private foundation · Grantmaker Boston, MA EIN: 04-6897800

The Windover Foundation is a private foundation based in Boston, Massachusetts. Its 2025 filing reports 33 grants totaling $1,097,880 to organizations in several states, with the largest shares of grant dollars going to Massachusetts and Maine.

The Windover Foundation at a glance

In short: The Windover Foundation gave $1.1M across 33 grants in 2025 (avg $33K), top state Massachusetts. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$1,097,880
+13.4% vs 2024
Grants made (2025)
33
+26.9% vs 2024
Average grant
$33,269
-10.6% vs 2024
Median grant
$25,000
Total assets
$17,060,055
-0.8% vs 2024
Primary geography
Massachusetts (48% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026.

How to apply to The Windover Foundation

Contact

Application contact: John A Mcbrine
Mailing address: Nutter 155 Seaport Blvd, Boston, MA 02210
Phone: (617) 439-2781

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

Who The Windover Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Children's Hospital: $120KChildren's Hospital$120KKennebec Land Trust: $100KKennebec Land Trust$100KBoston Neighborhood Support: $75KBoston Neighborhood Support$75KDenovo Center for Justice and Healing: $50KDenovo Center for Justice andHealing$50KGood Sherpard Food Bank: $50KGood Sherpard Food Bank$50KGreat Pond Mountain Conservation Trust: $50KGreat Pond MountainConservation Trust$50KRiverside Community Care: $50KRiverside Community Care$50KSamaritans Inc: $50KSamaritans Inc$50KThe Brookline Center for Community Mental Health: $50KThe Brookline Center forCommunity Mental Health$50KStudent Conservation Assn: $50KStudent Conservation Assn$50K

The largest 2025 recipient was Children's Hospital ($120K). Together the top 10 received $645K.

Grant Size Distribution

95 grants across all recorded years

58<$50K28$50–100K7$100–250K2$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 58 grants of 95 (61%).

Geographic Focus

Where this funder awards grants

In 2025, 48% of grant dollars went to recipients in Massachusetts and 42% to recipients in Maine. The remaining shares went to New Hampshire (5%), Maryland (3%), and Pennsylvania (2%).

Grant Distribution by State

8states

Share of 2025 grant dollars across all 33 itemized grants.

Cities

BostonAugustaCambridgePortlandBangorBrooklineCamdenDedhamOrlandoBlue HillBremenBrunswickBucksportCharlestownHoultonJamaica PlainNeedhamOronoPhiladelphiaRockville

How The Windover Foundation gives

  • 39% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+19%). Method
  • In 2025 it paid out 93% 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 (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$500K$1M$1.5M5 grants2021 9 grants2022 22 grants2023 26 grants2024 33 grants2025

From 2021 to 2025, annual grant giving ranged from $188K (2021) to $1.1M (2025). In 2025 it made 33 grants totaling $1.1M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Children's Hospital Boston, MAGeneral$120,000
Kennebec Land Trust Winthrop, MEGeneral$100,000
Boston Neighborhood Support Boston, MAGeneral$75,000
Denovo Center for Justice and Healing Cambridge, MAGeneral$50,000
Good Sherpard Food Bank Auburn, MEGeneral$50,000
Great Pond Mountain Conservation Trust Buckspot, MEGeneral$50,000
Riverside Community Care Dedham, MAGeneral$50,000
Samaritans Inc Boston, MAGeneral$50,000
The Brookline Center for Community Mental Health Brookline, MAGeneral$50,000
Student Conservation Assn Charlestown, NHGeneral$50,000
Your AI grants department

Ready to take the next step with The Windover Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$17,060,055$1,109,507$1,270,318$1,097,88033$1,142,776$981,965$1,230,023
2024$17,193,903$590,411$1,246,514$968,00026$1,115,966$459,863$1,143,051
2023$17,909,340$1,428,303$1,334,089$1,056,58022$1,202,827$1,297,311$1,050,682
2022$17,829,680$1,041,299$1,176,703$919,0009$989,592$854,188$1,179,254
2021$17,966,391$654,601$410,454$188,0005—$498,501$1,123,631

Under IRS private-foundation payout rules, The Windover Foundation reported a distributable amount of $1.2M for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated October 2026.

Mission & Focus Areas

The 2024 filing’s program description states: “FISCAL 7/31/24 FEDERAL OVERPAYMENT APPLIED TO FISCAL FEDERAL 7/31/25.” The filing also gives a description of Windover Construction’s work, rather than a separate foundation mission.

Recipients’ own missions illustrate the range of organizations supported. Riverside Community Care says it provides behavioral healthcare and human services to individuals, families, and communities. Samaritans Inc. describes its work as suicide prevention, crisis support, and grief support. Beantown Baby Diaper Bank says it works to reduce diaper need in Greater Boston. Artstream says it offers collaborative performance and lifelong learning opportunities for people with intellectual and developmental disabilities.

Grantmaking

In 2025, the foundation gave 33 grants totaling $1,097,880. Grant amounts ranged from $2,500 to $120,000, with a median of $25,000. The largest grants included $120,000 to Children’s Hospital in Boston and $100,000 to Kennebec Land Trust in Winthrop, Maine. Boston Neighborhood Support received $75,000. DeNovo Center for Justice and Healing, Good Shepherd Food Bank, Great Pond Mountain Conservation Trust, Riverside Community Care, Samaritans Inc., The Brookline Center for Community Mental Health, Student Conservation Association, and The Northern Lighthouse each received $50,000.

The 2024 filing says the foundation does not restrict giving to preselected organizations. It states that there is no formal application, no adopted deadline, and no restrictions on awards.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Susanna Fuller, Thomas Hastings, and Dr. Diane Hastings as trustees.

The Windover Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Diane Hastings

    Trustee

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • Susanna Fuller

    Trustee

    On filings since 2021

    0.3 hrs/week

    No compensation reported

  • Thomas Hastings

    Trustee

    On filings since 2021

    0.3 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.

Frequently asked questions about The Windover Foundation

How much does The Windover Foundation give each year?

The Windover Foundation gave $1.1M across 33 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $968K across 26 grants.

What is The Windover Foundation's typical grant size?

The Windover Foundation's median grant in 2025 was $25,000, and its average grant was $33,269, across 33 grants on its 2025 IRS Form 990-PF.

Where does The Windover Foundation give grants?

The Windover Foundation's top state is Massachusetts, with 48% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest state was Maine (42%). The most frequent recipient cities were Boston, MA (4 grants), Cambridge, MA (3 grants), Bangor, ME (2 grants) and Augusta, ME (2 grants).

Does The Windover Foundation give general operating support?

Yes: 100% of The Windover Foundation's 2025 grants with a stated purpose (33 of 33) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are The Windover Foundation's largest grantees?

The Windover Foundation's largest 2025 grantees include Children's Hospital ($120,000), Kennebec Land Trust ($100,000) and Boston Neighborhood Support ($75,000), according to its 2025 IRS Form 990-PF. Together they received 27% of its itemized 2025 grant dollars.

How large is The Windover Foundation?

The Windover Foundation reported $17.1M in total assets on its 2025 IRS Form 990-PF. It paid out $1.1M in qualifying distributions that year, against a required minimum of $1.2M (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 The Windover Foundation fund?

The 2024 filing’s program description states: “FISCAL 7/31/24 FEDERAL OVERPAYMENT APPLIED TO FISCAL FEDERAL 7/31/25.” The filing also gives a description of Windover Construction’s work, rather than a separate foundation mission. See mission & focus areas ↑

How do I apply for a grant from The Windover Foundation?

The Windover Foundation has no public application process in the sources Grantable reviewed. Contact the foundation directly before submitting a request.

What is The Windover Foundation's EIN?

The Windover Foundation's EIN (Employer Identification Number) is 04-6897800. IRS Form 990 filing data is available on this page for 2021–2025.

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2025

Explore Open Grants

Browse active grant opportunities in The Windover Foundation's focus areas in our free grants database

Similar Funders

Funders that support many of the same organizations

Bangor Savings Bank Foundation

Bangor, ME

The Bangor Savings Bank Foundation supports arts and culture, economic and workforce development, education, health and wellness, and social and community services, including affordable housing and health care. It focuses on Maine, New Hampshire, and Essex County, Massachusetts; 2025 grants ranged from $1,000 to $50,000, with a median of $4,750. It accepts applications through an online portal, with applications reviewed twice a year.

Philanthropy, Voluntarism & Grantmaking

Assets

$7.0M

Grants

156

Total Given

$1.2M

Libra Foundation

Portland, ME

Libra Foundation funds Maine-based economic development, entrepreneurship and job creation, children’s welfare, and other activities with significant social benefit. Grants usually do not exceed $25,000, though reported amounts vary widely; it generally accepts unsolicited requests through a formal application process, but new applications are currently paused, and it has not confirmed that applications have reopened.

Assets

$156.5M

Grants

56

Total Given

$4.3M

Simmons Foundation - PerkinsThompson

Portland, ME

The foundation supports Maine-serving nonprofits and government agencies with charitable, educational, health, community, and self-sufficiency projects, especially innovative efforts and seed funding for underserved populations. Recent grants ranged from $500 to $10,000, with a median of $2,500. It accepts requests from eligible organizations; the profile states no deadlines in its 2024 filing, though its website lists meeting dates.

Assets

$3.6M

Grants

68

Total Given

$180K

Davis Family Foundation

Yarmouth, ME

The Davis Family Foundation funds eligible 501(c)(3) organizations in education, health care, and arts and cultural activities, prioritizing Southern Maine and then the rest of Maine; projects elsewhere in New England must benefit Maine learners. Its 2024 grants ranged from $6,000 to $400,000, with a median of $20,000. The profile does not state whether it accepts unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$100.5M

Grants

92

Total Given

$3.2M

Onion Foundation

Auburn, ME

Onion Foundation funds Maine nonprofits working in the arts and environment, including nature learning, with particular attention to rural and underserved communities. Its 2024 grants ranged from $1,000 to $625,000, with a median of $15,000. It accepts unsolicited requests through its online grant portal.

Assets

$63.6M

Grants

245

Total Given

$4.4M

Quimby Family Foundation

Portland, ME

The Quimby Family Foundation supports Maine-based nonprofits advancing human well-being through movement and nourishment, especially outdoor experiences, regional plant-based food, and equitable access for under-resourced communities. Its 2024 grants ranged from $2,500 to $45,000, with a median of $10,000. It accepts unsolicited requests through an open application process, with two application periods each year.

Philanthropy, Voluntarism & Grantmaking

Assets

$21.5M

Grants

97

Total Given

$1.1M

More similar funders

More Funders in Massachusetts

Cite this profile

Grantable. (2026). The Windover Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/the-windover-foundation-morg_d5316eb86b7d4ac693dd9d160b1c025b

BibTeX
@misc{grantable_046897800_2026,
  author       = {{Grantable}},
  title        = {{The Windover Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-windover-foundation-morg_d5316eb86b7d4ac693dd9d160b1c025b},
  note         = {Accessed 2026-10-15. 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 The Windover 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.

The Windover Foundation down — hundreds of funders to go?

Want AI to do this for you?