The Martello Family Foundation

Private foundation · Grantmaker Westport, CT EIN: 87-4020692

The Martello Family Foundation is a private foundation, based in Westport, CT. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $8.3M in total assets. In 2025, it awarded 1 grant totaling $192K. Net investment income was $6.6M.

The Martello Family Foundation at a glance

In short: The Martello Family Foundation gave $192K across 1 grant in 2025 (avg $192K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$192,000
+20.0% vs 2024
Grants made (2025)
1
-50.0% vs 2024
Average grant
$192,000
+140.0% vs 2024
Median grant
$192,000
Total assets
$8,319,925
+340.5% vs 2024
Primary geography
Massachusetts (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

Who The Martello Family Foundation funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Massachusetts Institute of Technology: $192KMassachusetts Institute ofTechnology$192K

The largest 2025 recipient was Massachusetts Institute of Technology ($192K).

Grant Size Distribution

7 grants across all recorded years

<$50K3$50–100K4$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was in the $100–250K range: 4 grants of 7 (57%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of the 2025 grant dollars on its one itemized grant.

Cities

WestportCambridgeEast HaddamMt KiscoNew London

How The Martello Family Foundation gives

  • Giving grew 92% from 2022 to 2025. Method
  • In 2025 it paid out 429% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K0 grants2021 1 grant2022 3 grants2023 2 grants2024 1 grant2025

From 2022 to 2025, annual grant giving ranged from $100K (2022) to $205K (2023). In 2025 it made 1 grant totaling $192K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Massachusetts Institute of Technology Cambridge, MAGeneral Support$192,000
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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$8,319,925$6,629,224$198,251$192,0001$195,125$6,626,098$45,453
2024$1,888,952$86,796$167,985$160,0002$162,992$77,818$96,669
2023$1,970,141$51,501$213,700$205,0003$207,850$65,178$96,185
2022$2,132,340$2,266,881$134,541$100,0001$102,486$2,265,731$36,621

Under IRS private-foundation payout rules, The Martello Family Foundation reported a distributable amount of $45K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Martello Family Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Carolyn Martello Spaulding

    Trustee

    On filings since 2021

    1 hr/week

    No compensation reported

  • John Martello

    Trustee

    On filings since 2021

    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 Martello Family Foundation

How much does The Martello Family Foundation give each year?

The Martello Family Foundation gave $192K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $160K across 2 grants.

How large is The Martello Family Foundation?

The Martello Family Foundation reported $8.3M in total assets on its 2025 IRS Form 990-PF. It paid out $195K in qualifying distributions that year, against a required minimum of $45K (roughly 5% of its investment assets).

Where does The Martello Family Foundation operate?

The Martello Family Foundation has awarded grants in Connecticut, Massachusetts, New York.

What is The Martello Family Foundation's EIN?

The Martello Family Foundation's EIN (Employer Identification Number) is 87-4020692. IRS Form 990 filing data is available on this page for 2021–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS August 5, 2026)
  2. IRS filings on file for fiscal years 2021–2024

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Cite this profile

Grantable. (2026). The Martello Family Foundation funder profile. GrantGraph. Retrieved October 4, 2026, from https://grantable.co/funders/the-martello-family-foundation-morg_4636efe5c1b44998916211d4c1feea3c

BibTeX
@misc{grantable_874020692_2026,
  author       = {{Grantable}},
  title        = {{The Martello Family Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-martello-family-foundation-morg_4636efe5c1b44998916211d4c1feea3c},
  note         = {Accessed 2026-10-04. 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 Martello 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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