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· Private foundation

The Lee L and Judith E Selwyn Foundation

Its FY2026 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$393k
Granted FY2026still arriving
19
Grants FY2026still arriving
3
States reached
$190k
Largest
01What it funds
0199% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2025.

Philanthropy$949kReligion$253kScience & Tech$225kEnvironment$89kArts & Culture$83kMembership Benefit$32kEducation$20kHealth$20kOther$0
02FY2026 · 19 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2026

  • Under $10k11 grants · $28k
  • $10k–50k6 grants · $100k
  • $50k–250k2 grants · $265k
$5,000
Median grant
3
States reached
$4.6M
Total assets
Largest grants
RecipientAmount
Combined Jewish Philanthropies$190,000
Jewish Braille Institute$75,000
Individual grant recipient$25,000
MIT Dept of Chemistry$25,000
Mattapoisett Land Trust$20,000
Individual grant recipient$10,000
Buzzards Bay Coalition$10,000
Tifereth Israel Congregation$10,000
Individual grant recipient$5,000
BPL Leventhal Map & Education Center$5,000
New Bedford Art Museum$5,000
Individual grant recipient$4,000
Revolutionary Spaces$2,500
Center for Eye Research & Education$2,500
Buzzards Bay Musicfest$1,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Dollar for dollar, its grants (FY20–26) land where the poverty rate runs at 14%, against an area that typically sits at 8%. 94% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 8%Temple Emeth: $5k → 7%Mattapoisett Land Trust: $20k → 8%MIT Department of Chemistry: $50k → 8%Jewish Journal: $10k → 10%Buzzards Bay Coalition: $10k → 11%Pasadena Jewish Temple: $10k → 14%The Forward Association: $10k → 17%Temple Emeth: $5k → 7%Mattapoisett Land Trust: $10k → 8%MIT Department of Chemistry: $50k → 8%Jewish Journal: $10k → 10%Buzzards Bay Coalition: $10k → 11%The Forward Association: $10k → 17%Temple Emeth: $5k → 7%Mattapoisett Land Trust: $6k → 8%MIT Department of Chemistry: $50k → 8%Jewish Journal: $5k → 10%Buzzards Bay Coalition: $10k → 11%The Forward Association: $5k → 17%MIT Dept of Chemistry: $50k → 8%Tifereth Israel Congregation: $10k → 11%MIT Department of Chemistry: $25k → 8%Buzzards Bay Coalition: $10k → 11%MIT Hillel: $25k → 8%Buzzards Bay Coalition: $10k → 11%MIT Hillel: $25k → 8%Buzzards Bay Coalition: $10k → 11%Jewish Cemetery Assn of Massachusetts: $8k → 7%MIT Hillel: $25k → 8%Tifereth Israel Congregation: $8k → 11%MIT Dept of Chemistry: $25k → 8%Buzzards Bay Coalition: $7k → 11%MIT Hillel: $25k → 8%New Bedford Art Museum: $6k → 11%MIT Hillel: $25k → 8%Tifereth Israel Congregation: $6k → 11%MIT Hillel: $25k → 8%MIT Hillel: $25k → 8%Jewish Cemetery Assn of Mass: $10k → 8%Combined Jewish Philanthropies: $205k → 16%Combined Jewish Philanthropies: $190k → 16%Combined Jewish Philanthropies: $170k → 16%Combined Jewish Philanthropies: $160k → 16%Combined Jewish Philanthropies: $145k → 16%Combined Jewish Philanthropies: $144k → 16%Combined Jewish Philanthropies: $125k → 16%Revolutionary Spaces: $20k → 16%Revolutionary Spaces: $8k → 16%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

98%of every dollar goes to organizations it has funded before.
$915k · 26 repeat orgs$20k to everyone else

26 repeat relationships: 18 still active in FY2026, 8 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

26
5

Total granted

$915k
$20k

Still filing today

46%
0%

New vs renewed · share of each year

In FY2026, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

50%100%’20’21’22’23’24’25’26
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’20’21’22’23’24’25’26
Arts & CultureHealthEnvironmentEducationOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • BUZZARDS BAY COALITION
    7× · 2020–2026 · $67k · revenue +88%
  • ML
    Mattapoisett Land Trust Inc
    7× · 2020–2026 · $52k · revenue +76%
  • RS
    REVOLUTIONARY SPACES INC
    7× · 2020–2026 · $41k · revenue +71%

Funded once

  • IG
    Individual grant recipient
    one grant, 2025 · $10k
  • IG
    Individual grant recipient
    one grant, 2022 · $5k
  • TR
    TEMPLE REYIM
    one grant, 2020 · $4k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Historic Boston Incorporated
—
2
Proprietors of the Boston Athenaeum

The mission of the boston athenaeum is to engage all who seek knowledge by making accessible our library's collections and spaces, thereby inspiring reflection, discourse, creative expression, and joy.

Education
3
Boston Jewish Film Inc

The organization celebrates the richness of the jewish experience through film and media. throughout the year, the festival engages and inspires the community to explore the full spectrum of jewish life, values and culture.

—
4
Trustees of the Berkshire Museum

Bringing people together for experiences that spark creativity and innovative thinking by making inspiring educational connections among art, history, and natural science.

Arts & Culture
5
Trustees of the Public Library of the City of Boston

The Boston Public Library provides educational and cultural enrichment free to all by engaging the public through programming and active spaces, restoring and preserving our history, providing access to borrow from our vast collection of…

Education
6
The Jewish Museum

The mission of the jewish museum is to collect, preserve, exhibit and interpret art and jewish culture. see schedule o for more information.

Arts & Culture
7
Isabella Stewart Gardner Museum Inc

Organization's mission statement true to the ambitious vision of its founder and her spirit of creative risk-taking, the mission of the isabella stewart gardner museum is: - to bring to life and preserve the rich historic collection; - to…

Arts & Culture
8
Marine Biological Laboratory

The Marine Biological Laboratory (MBL) is a world-renowned center for biological discovery and training that is notably affiliated with more than 60 Nobel Prize winners. Research is conducted by full-time faculty as well as hundreds of the…

Science & Tech
9
The Trustees of Reservations

Overview - founded in boston by pioneering landscape architect and open space visionary charles eliot in 1891, the trustees is the nation's first and the commonwealth's largest conservation and preservation nonprofit.

Environment
10
New England Museum Association

New england museum association's mission is to connect a community engaged in learning, collaboration, and action to cultivate a better museum world.

—
11
Boston Architectural College

The bac is committed to provide excellence in design education grounded in practice and accessible to diverse communities.

—
12
Greater Boston Convention & Visitors Bureau Inc

The greater boston convention and visitors bureau, inc.'s mission is to elevate boston's vibrant neighborhoods and diverse people, amplifying their stories and sharing them locally and across the globe. we deliver exciting and inclusive…

—
How this is measured
The grantee most central to the portfolio’s shape is Buzzards Bay Coalition; the most unlike its peers is Dana-Farber Cancer Institute Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

13 grantees tracked through their own filings, 2017–2026.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2026, not grant rows in a single year, so this will not match the grant count on the cover. 13 of the 32 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
5
Early backer (in before they grew)
13/13
Grantees still filing
10/13
Grew since first funded

Where the money sits, by cause and then by grantee

Combined Jewish Philanthropies of Greater Boston Inc: $1,138,500 · PhilanthropyCombined Jewish Philanthropies of Greater Boston IncMIT Dept of Chemistry: $250,000 · OtherMIT Dept of ChemistryIndividual grant recipient: $175,000 · OtherIndividual grant recipientJewish Braille Institute: $77,500 · OtherJewish Braille InstituteTIFERETH ISRAEL CONGREGATION: $41,400 · OtherTIFERETH ISRAEL CONGREGATIONIndividual grant recipient: $32,000 · OtherIndividual grant recipient: $30,000 · Other+16 more: $111,747 · Other+16 moreBUZZARDS BAY COALITION: $66,500 · EnvironmentMattapoisett Land Trust Inc: $52,000 · EnvironmentREVOLUTIONARY SPACES INC: $41,000 · Arts & CultureThe Forward Association Inc: $25,000 · Arts & CultureBUZZARDS BAY MUSICFEST INC: $3,500 · Arts & CultureCENTER FOR EYE RESEARCH AND EDUCATION INC: $17,500 · HealthDana-Farber Cancer Institute Inc: $2,500 · HealthJBI INTERNATIONAL INC: $1,500 · HealthBOSTON PRESERVATION ALLIANCE INC: $7,000 · Education
Philanthropy$1,138,500Other$717,647Environment$118,500Arts & Culture$69,500Health$21,500Education$7,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetCombined Jewish Philanthropies of Greater Boston Inc: $1,138,500 over 7y, 0.1% of budgetBUZZARDS BAY COALITION: $66,500 over 7y, 0.1% of budgetMattapoisett Land Trust Inc: $52,000 over 7y, 1.8% of budgetREVOLUTIONARY SPACES INC: $41,000 over 7y, 0.2% of budgetThe Forward Association Inc: $25,000 over 3y, 0.1% of budgetCENTER FOR EYE RESEARCH AND EDUCATION INC: $17,500 over 7y, 2.6% of budgetTHE JEWISH CEMETERY ASSOCIATION OF MASSACHUSETTS: $16,797 over 3y, 1.0% of budgetArt Museum New Bedford Inc: $16,150 over 7y, 0.3% of budgetBOSTON PRESERVATION ALLIANCE INC: $7,000 over 7y, 0.4% of budgetTOURO SYNAGOGUE FOUNDATION: $3,500 over 7y, 0.3% of budgetBUZZARDS BAY MUSICFEST INC: $3,500 over 5y, 1.4% of budgetDana-Farber Cancer Institute Inc: $2,500 over 5y, 0.0% of budgetJBI INTERNATIONAL INC: $1,500 over 2y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds Combined Jewish Philanthropies of Greater Boston Inc ↗
  • Who funds BUZZARDS BAY COALITION ↗
  • Who funds Mattapoisett Land Trust Inc ↗
  • Who funds REVOLUTIONARY SPACES INC ↗
  • Who funds The Forward Association Inc ↗
  • Who funds CENTER FOR EYE RESEARCH AND EDUCATION INC ↗
  • Who funds THE JEWISH CEMETERY ASSOCIATION OF MASSACHUSETTS ↗
  • Who funds Art Museum New Bedford Inc ↗
  • Who funds BOSTON PRESERVATION ALLIANCE INC ↗
  • Who funds TOURO SYNAGOGUE FOUNDATION ↗
  • Who funds BUZZARDS BAY MUSICFEST INC ↗
  • Who funds Dana-Farber Cancer Institute Inc ↗
  • Who funds JBI INTERNATIONAL INC ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Fidelity Investments Charitable Gift FundMA5.5× affinity10 shared granteesties to 2 of 2Hover any node to trace its alignments.Compare side by side →

Open a dossier: Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization The Lee L and Judith E Selwyn Foundation funds: left to right is the share of its income from government, bottom to top the share from The Lee L and Judith E Selwyn Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 50%0%1%3%5%funder's share of their income ↑0%10%20%30%40%share of the org’s income from government →median 20%
  • Buzzards Bay Coalition: 37% of income from government
  • Revolutionary Spaces Inc: 20% of income from government
  • Mattapoisett Land Trust Inc: 13% of income from government
  • Dana-Farber Cancer Institute Inc: 7% of income from government
no gov moneyreceives it· size = income
5get no government money at all
2report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–40%
typical government reliance, FY20–25
How this is measured
Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The Lee L and Judith E Selwyn Foundation?

Find your warmest path to The Lee L and Judith E Selwyn Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 32 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990-PF e-file return for fiscal year 2026, released 2026. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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