Weld Foundation

Foundation · Grantmaker Boston, MA EIN: 04-6039173

The Weld Foundation is a private foundation based in Boston, Massachusetts, established in 1954. It operates as a 501(c)(3) grantmaking organization with no employees.

Key facts about Weld Foundation

EIN
04-6039173
Latest 990 filing
Form 990-PF, 2025
Annual giving (2025)
$1,104,300
Grants made (2025)
66
Average grant
$16,732
Median grant
$7,750
New grantees (estimate)
14% first-time grantees (9 of 66, 2025)
Primary geography
Massachusetts (32% of itemized 2025 grant dollars)

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

Who Weld Foundation funds

By grant dollars, the top recipient states for Weld Foundation's 66 itemized 2025 grants were Massachusetts (32%), Maine (29%) and New York (11%). The most frequent recipient cities were New York, NY (5 grants), Beaufort, SC (4 grants), Portland, ME (4 grants) and Rockland, ME (4 grants). 100% of grants with a stated purpose were for general or operating support.

Is Weld Foundation open to new grantees?

14%

first-time grantees, 2025

In 2025, 9 of 66 grantees (14%) were first-time recipients. First grants averaged $6K; repeat grants $18K. How we count

Medians: $5K first-time, $10K repeat.

  • 80% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+4%). Method

Estimate from itemized IRS Form 990-PF grant lists (2018–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Next steps with Weld Foundation

Financial Overview

From 2025 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$1.1M

+15.3% YoY

Grant Count

66

+8.2% YoY

Avg Grant Size

$17K

+6.5% YoY

Research compiled by Grantable AI from public sources. Last updated April 2026.
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Geographic Focus

Where this funder awards grants

Grant Distribution by State

21states

Share of all 66 itemized 2025 grant dollars.

Cities

North HavenBeaufortRocklandPortlandNew YorkBrooklynBostonSalemCamdenWashingtonSag HarborS HamiltonBrunswickConwayDanversHilton HeadSanta ClaraSt HelenaAuburnBaltimore

Financial History

Multi-year comparison from IRS filings

Most Recent Filing: December 2024

The foundation maintains a modest operational structure with no full-time staff dedicated to administration.


Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.120182019202020212022202320242025
Metric202520242023
Total Assets———
Revenue———
Expenses———
Qualifying Distributions———
Net Investment Income———
Distributable Amount———

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2018–2025

Giving Over Time

Total grant dollars and number of grants per year

$0$276K$552K$828K$1M17 grants201833 grants201938 grants202058 grants202173 grants202263 grants202361 grants202466 grants2025

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

North Haven Sustainable Housing: $140KNorth Haven SustainableHousing$140KPingree School: $118KPingree School$118KSalem Hospital: $105KSalem Hospital$105KGreat Rock Church: $61KGreat Rock Church$61KMaine College of Art and Design: $61KMaine College of Art andDesign$61KWatchtower Bible and Tract Society of New York Inc: $61KWatchtower Bible and TractSociety of New York Inc$61KBeaufort Academy: $38KBeaufort Academy$38KChild Abuse Prevention Association (Capa): $30KChild Abuse PreventionAssociation (Capa)$30KMount Washington Observatory: $30KMount Washington Observatory$30KPeabody Essex Museum: $25KPeabody Essex Museum$25K

Grant Size Distribution

321 grants across all recorded years

296<$50K15$50–100K9$100–250K1$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2025 grants, the largest recipients include North Haven Sustainable Housing ($140,250), Pingree School ($118,170), Salem Hospital ($104,900).

RecipientPurposeAmount
NORTH HAVEN SUSTAINABLE HOUSING North Haven, MEGENERAL$140,250
PINGREE SCHOOL S Hamilton, MAGENERAL$118,170
SALEM HOSPITAL Salem, MAGENERAL$104,900
GREAT ROCK CHURCH Danvers, MAGENERAL$61,350
MAINE COLLEGE OF ART AND DESIGN Portland, MEGENERAL$61,350
WATCHTOWER BIBLE AND TRACT SOCIETY OF NEW YORK INC Wallkill, NYGENERAL$61,350
BEAUFORT ACADEMY Beaufort, SCGENERAL$38,200
CHILD ABUSE PREVENTION ASSOCIATION (CAPA) Beaufort, SCGENERAL$30,000
MOUNT WASHINGTON OBSERVATORY North Conway, NHGENERAL$30,000
PEABODY ESSEX MUSEUM Salem, MAGENERAL$25,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2025 IRS filing

C-F David Boit — Trustee: $23KC-F David BoitTrustee$23KThomas R Appleton — Trustee: $23KThomas R AppletonTrustee$23K

From 2025 IRS filing

NameTitleHoursCompensation
C-F David BoitTrustee1$22,736
Thomas R AppletonTrustee1$22,736

Frequently Asked Questions

What size grants does Weld Foundation award?

In 2025, Weld Foundation awarded 66 grants totaling $1.1M — an average of about $17K per grant, based on its IRS Form 990 filings.

What is Weld Foundation's EIN?

Weld Foundation's EIN (Employer Identification Number) is 04-6039173. IRS Form 990 filing data is available on this page for 2018–2025.

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

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