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· Private foundation

Mary-Louise & Ruth Eddy Fdn

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$380k
Granted FY2025still arriving
17
Grants FY2025still arriving
2
States reached
$36k
Largest
01What it funds
0182% classified

What it funded, over time

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

Arts & Culture$435kEnvironment$321kHealth$292kCommunity Improvement$183kReligion$161kAnimals$147kEducation$131kPhilanthropy$90kOther$0
02FY2025 · 17 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k2 grants · $16k
  • $10k–50k15 grants · $365k
$23,900
Median grant
2
States reached
$5.4M
Total assets
Largest grants
RecipientAmount
BREWSTER BAPTIST CHURCH$36,000
ASSOCIATION FOR THE$35,000
Individual grant recipient$30,000
CAPE ABILITIES$30,000
BREWSTER CONSERVATION TRUST$30,000
COMMUNITY DEVELOPMENT PARTNERSHIP$30,000
CAPE COD REPERTORY THEATER$25,000
MASSACHUSETTS AUDUBON$25,000
WILDCARE INC$23,900
CAPE COD HEALTHCARE FOUNDATION$20,352
THE SAMPSON FUND$20,000
BREWSTER HISTORICAL SOCIETY$20,000
SIGHT LOSS SERVICES INC$15,035
Individual grant recipient$14,000
CAPE COD MUSEUM OF NATURAL$10,470
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:

Its human-services grants (FY20–25, $160k) land where the poverty rate runs at 8%, against an area that typically sits at 8%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 8%CAPE ABILITIES: $30k → 8%CAPE ABILITIES: $28k → 8%CAPE ABILITIES: $27k → 8%CAPE ABILITIES: $25k → 8%CAPE ABILITIES: $25k → 8%CAPE ABILITIES: $25k → 8%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.

99%of every dollar goes to organizations it has funded before.
$2.2M · 21 repeat orgs$20k to everyone else

21 repeat relationships: 17 still active in FY2025, 4 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

21
4

Total granted

$2.2M
$20k

Median revenue growth · since first grant

+36%
+56%

Still filing today

43%
50%

New vs renewed · share of each year

In FY2025, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

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

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

’20’21’22’23’24’25
EnvironmentArts & CultureHuman ServicesHousing & ShelterEducationAnimalsOther
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

  • BC
    BREWSTER CONSERVATION TRUST
    6× · 2020–2025 · $187k · revenue +299%
  • CA
    CAPE ABILITIES INC
    6× · 2020–2025 · $160k · revenue +22%
  • BH
    BREWSTER HISTORICAL SOCIETY INC
    6× · 2020–2025 · $154k · revenue +116%

Funded once

  • ANIMAL RESCUE LEAGUE OF BOSTONgraduated
    one grant, 2023 · $5k · revenue +56%
  • CC
    CAPE COD CHAPTER OF AMERICAN RED CROSS
    one grant, 2022 · $5k
  • AR
    ANIMAL RESCUE LEAGUE
    one grant, 2020 · $5k
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
Massachusetts Outdoor Heritage Foundation Inc Attn Susan Sacco
—
2
Cohasset Conservation Trust Inc
—
3
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
4
Massachusetts Historical Society

To promote understanding of the history of massachusetts and the nation by collecting and communicating materials and resources that foster historical knowledge.

Arts & Culture
5
The Rhode Island Historical Society

The rhode island historical society, through its collections, museums, and educational initiatives, welcomes everyone to engage with rhode island's complex and significant past.

Arts & Culture
6
Maine Audubon Society

Maine Audubon works to conserve Maine's wildlife and habitat by engaging people of all ages in education, conservation, and action. We are helping the people of Maine become the nation's most informed and effective stewards of wildlife and…

Environment
7
Lloyd Center for the Environment Inc

The mission of the center is to instill a life-long respect and affection for nature in all people through research and education; to advance a scientific and public understanding of our coastal ecosystems and the need to protect them; and…

Environment
8
Holliston Historical Society
—
9
Cuttyhunk Historical Society Inc
Arts & Culture
10
Kestrel Land Trust

Kestrel land trust conserves and cares for forests, farms, and riverways in the connecticut river valley of western massachusetts while nurturing an enduring love of the land

Environment
11
Maine Historical Society

Maine Historical Society, founded in 1822, is a private non-profit whose mission is to preserve and share Maine's story. Based in Portland, we work closely with communities and partners throughout the state, and serve a statewide and…

Arts & Culture
12
Cohasset 250

250th Town of Cohasset, MA celebrations

—
How this is measured
The grantee most central to the portfolio’s shape is Bryn Mawr College; the most unlike its peers is Jr Tech 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

11 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. 11 of the 25 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.

1
Load-bearing (≥25% of a budget)
3
Early backer (in before they grew)
11/11
Grantees still filing
10/11
Grew since first funded

Where the money sits, by cause and then by grantee

ASSOCIATION FOR THE: $162,000 · OtherASSOCIATION FOR THEBREWSTER BAPTIST CHURCH: $161,000 · OtherBREWSTER BAPTIST CHURCHIndividual grant recipient: $154,000 · OtherIndividual grant recipientBREWSTER HISTORICAL SOCIETY INC: $153,500 · OtherBREWSTER HISTORICAL SOCIETY INCCAPE COD MUSEUM OF NATURAL: $143,470 · OtherCAPE COD MUSEUM OF NATURALWILDCARE INC: $136,900 · OtherWILDCARE INCTHE SAMPSON FUND: $90,000 · OtherTHE SAMPSON FUNDSIGHT LOSS SERVICES INC: $86,435 · OtherSIGHT LOSS SERVICES INCIndividual grant recipient: $77,000 · OtherIndividual grant recipientJR TECH INC: $67,500 · OtherBREWSTER LADIES LIBRARY: $53,200 · Other+6 more: $115,352 · Other+6 moreBREWSTER CONSERVATION TRUST: $187,000 · EnvironmentBREWSTER CONSERV…MASSACHUSETTS AUDUBON SOCIETY INC: $134,000 · EnvironmentMASSACHUSETTS AU…CAPE ABILITIES INC: $160,400 · Human ServicesLOWER CAPE COD COMMUNITY DEVELOP- MENT CORPORATION: $145,000 · Housing & ShelterCAPE COD REPERTORY THEATRE COMPANY INC: $133,000 · Arts & CultureMUSEUM OF FINE ARTS: $5,000 · Arts & CultureBRYN MAWR COLLEGE: $10,000 · EducationANIMAL RESCUE LEAGUE OF BOSTON: $5,000 · Animals
Other$1,400,357Environment$321,000Human Services$160,400Housing & Shelter$145,000Arts & Culture$138,000Education$10,000Animals$5,000

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 budgetBREWSTER CONSERVATION TRUST: $187,000 over 6y, 7.5% of budgetCAPE ABILITIES INC: $160,400 over 6y, 0.1% of budgetBREWSTER HISTORICAL SOCIETY INC: $153,500 over 6y, 21% of budgetLOWER CAPE COD COMMUNITY DEVELOP- MENT CORPORATION: $145,000 over 6y, 0.9% of budgetMASSACHUSETTS AUDUBON SOCIETY INC: $134,000 over 6y, 0.1% of budgetCAPE COD REPERTORY THEATRE COMPANY INC: $133,000 over 6y, 3.7% of budgetSIGHT LOSS SERVICES INC: $86,435 over 6y, 17% of budgetJR TECH INC: $67,500 over 4y, 25% of budgetBRYN MAWR COLLEGE: $10,000 over 2y, 0.0% of budgetANIMAL RESCUE LEAGUE OF BOSTON: $5,000 over 1y, 0.0% of budgetMUSEUM OF FINE ARTS: $5,000 over 1y, 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 BREWSTER CONSERVATION TRUST ↗
  • Who funds CAPE ABILITIES INC ↗
  • Who funds BREWSTER HISTORICAL SOCIETY INC ↗
  • Who funds LOWER CAPE COD COMMUNITY DEVELOP- MENT CORPORATION ↗
  • Who funds MASSACHUSETTS AUDUBON SOCIETY INC ↗
  • Who funds CAPE COD REPERTORY THEATRE COMPANY INC ↗
  • Who funds SIGHT LOSS SERVICES INC ↗
  • Who funds JR TECH INC ↗
  • Who funds BRYN MAWR COLLEGE ↗
  • Who funds ANIMAL RESCUE LEAGUE OF BOSTON ↗
  • Who funds MUSEUM OF FINE ARTS ↗

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.

Edward Bangs Kelley and Elza Kelley Foundation IncMA15.7× affinity5 shared granteesties to 6 of 6Hover any node to trace its alignments.Compare side by side →

Open a dossier: Edward Bangs Kelley and Elza Kelley Foundation Inc · Cape Cod Five Cents Savings Bank Charitable Foundation Trust · Mutual Bancorp Foundation Inc Fka Cape Cod 5 Foundation Inc · Cape Cod Foundation Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · 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 Mary-Louise & Ruth Eddy Fdn funds: left to right is the share of its income from government, bottom to top the share from Mary-Louise & Ruth Eddy Fdn. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 30%2%8%17%30%funder's share of their income ↑0%23%45%68%90%share of the org’s income from government →median 1%
  • Cape Abilities Inc: 81% of income from government
  • Sight Loss Services Inc: 46% of income from government
  • Brewster Conservation Trust: 8% of income from government
  • Massachusetts Audubon Society Inc: 1% of income from government
  • Lower Cape Cod Community Develop- Ment Corporation: 1% of income from government
  • Museum of Fine Arts: 0% of income from government
  • Animal Rescue League of Boston: 0% of income from government
no gov moneyreceives it· size = income
3get no government money at all
1rely on government for over half their income
⤢ axis zoomed · 0–90%
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 Mary-Louise & Ruth Eddy Fdn?

Find your warmest path to Mary-Louise & Ruth Eddy Fdn 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 25 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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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