William L Saltonstall Foundation

Private foundation · Grantmaker Boston, MA EIN: 47-3821470

William L Saltonstall Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $1.2M in total assets. In 2024, it awarded 9 grants totaling $88K. Net investment income was $108K.

William L Saltonstall Foundation at a glance

In short: William L Saltonstall Foundation gave $88K across 9 grants in 2024 (avg $10K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$88,000
+2.3% vs 2023
Grants made (2024)
9
+0.0% vs 2023
Average grant
$9,778
+2.3% vs 2023
Median grant
$10,000
Total assets
$1,241,542
+1.1% vs 2023
Primary geography
Massachusetts (84% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026.

Who William L Saltonstall Foundation funds

How this funder distributes its grants

Top Recipients

Top 9 recipients in 2024

The Trustees of Reserve: $20KThe Trustees of Reserve$20KUmass Boston: $20KUmass Boston$20KCrosscurrents International: $12KCrosscurrents International$12KEpiphany School: $10KEpiphany School$10KMother Caroline Academy: $10KMother Caroline Academy$10KGreater Boston Food Bank: $5KGreater Boston Food Bank$5KTufts Medical Center: $5KTufts Medical Center$5KPine Street Inn: $4KPine Street Inn$4KVinalhaven Land Trust: $2KVinalhaven Land Trust$2K

The largest 2024 recipient was The Trustees of Reserve ($20K). Together the top 9 received $88K.

Grant Size Distribution

45 grants across all recorded years

45<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 45 grants of 45 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2024 grant dollars across all 9 itemized grants.

Cities

BostonDorchesterSidneyVinalhavenBeverly

How William L Saltonstall Foundation gives

  • Giving held roughly steady from 2021 to 2024 (+7%). Method
  • In 2024 it paid out 114% 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$25K$50K$75K$100K1 grant2019 9 grants2020 9 grants2021 9 grants2022 9 grants2023 9 grants2024

From 2019 to 2024, annual grant giving ranged from $82K (2021) to $90K (2020). In 2024 it made 9 grants totaling $88K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
The Trustees of Reserve Boston, MAClaire Saltonstall Ed. Program$20,000
Umass Boston Boston, MAElaine Werby Public Service Internship Program$20,000
Crosscurrents International Sidney, OHGeneral Support$12,000
Epiphany School Dorchester, MAGeneral Support$10,000
Mother Caroline Academy Dorchester, MAGeneral Support$10,000
Greater Boston Food Bank Boston, MAGeneral Support$5,000
Tufts Medical Center Boston, MAGeneral Support$5,000
Pine Street Inn Boston, MAGeneral Support$4,000
Vinalhaven Land Trust Vinalhaven, MEGeneral Support$2,000
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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
2024$1,241,542$123,290$109,385$88,0009$91,549$107,514$80,264
2023$1,227,637$79,260$105,114$86,0009$89,487$63,990$79,162
2022$1,253,491$30,520$105,367$86,0009$89,561$25,682$86,274
2021$1,328,338$16,591$100,844$82,0009$85,491$11,113$89,183
2020$1,412,591$-23,990$106,478$90,0009—$9,241$71,372
2019$1,542,032$-47,910$108,353$90,0001—$22,959$84,691

Under IRS private-foundation payout rules, William L Saltonstall Foundation reported a distributable amount of $80K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

William L Saltonstall Foundation is led by Thomas Quirk, President, Treasurer & Clerk on every filing since 2023; none of the 3 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Thomas Quirk

    President, Treasurer & Clerk

    On filings since 2023

    1 hr/week

    No compensation reported

  • Jeffrey L. Thompson

    Trustee

    On filings since 2019

    1 hr/week

    No compensation reported

  • William L. Saltonstall Jr.

    Trustee

    On filings since 2019

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Neil L. Thompson (2019–2023) — President, Treasurer & Clerk · Filing note: Thru 5232023

Data from IRS Form 990 filings, 2019–2024. "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 William L Saltonstall Foundation

How much does William L Saltonstall Foundation give each year?

William L Saltonstall Foundation gave $88K across 9 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $86K across 9 grants.

What is William L Saltonstall Foundation's typical grant size?

William L Saltonstall Foundation's median grant in 2024 was $10,000, and its average grant was $9,778, across 9 grants on its 2024 IRS Form 990-PF.

Where does William L Saltonstall Foundation give grants?

William L Saltonstall Foundation gives mostly in Massachusetts: 84% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was Ohio (14%). The most frequent recipient cities were Boston, MA (5 grants) and Dorchester, MA (2 grants).

Does William L Saltonstall Foundation give general operating support?

Yes: 78% of William L Saltonstall Foundation's 2024 grants with a stated purpose (7 of 9) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are William L Saltonstall Foundation's largest grantees?

William L Saltonstall Foundation's largest 2024 grantees include The Trustees of Reserve ($20,000), Umass Boston ($20,000) and Crosscurrents International ($12,000), according to its 2024 IRS Form 990-PF. Together they received 59% of its itemized 2024 grant dollars.

How large is William L Saltonstall Foundation?

William L Saltonstall Foundation reported $1.2M in total assets on its 2024 IRS Form 990-PF. It paid out $92K in qualifying distributions that year, against a required minimum of $80K (roughly 5% of its investment assets).

What is William L Saltonstall Foundation's EIN?

William L Saltonstall Foundation's EIN (Employer Identification Number) is 47-3821470. IRS Form 990 filing data is available on this page for 2019–2024.

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

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS June 30, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 17, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 16, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 15, 2025)
  7. IRS filings on file for fiscal years 2019–2024

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

Figures come from William L Saltonstall 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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