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· Private foundation

William M Wood Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$3.7M
Granted FY2025still arriving
16
Grants FY2025still arriving
4
States reached
$500k
Largest
01What it funds
0194% classified

What it funded, over time

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

Health$4.7MEducation$4.0MArts & Culture$3.9MAnimals$355kScience & Tech$160kHuman Services$152kOther$0
02FY2025 · 16 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • $10k–50k2 grants · $50k
  • $50k–250k7 grants · $946k
  • $250k+7 grants · $2.7M
$200,000
Median grant
4
States reached
$51M
Total assets
Largest grants
RecipientAmount
BRIGHAM AND WOMEN'S HOSPITAL$500,000
PERKINS SCHOOL FOR THE BLIND$500,000
LOUISVILLE ORCHESTRA$450,000
MAINE MARITIME ACADEMY$350,000
KENTUCKY SCHOOL FOR THE BLIND$327,399
ANDOVER HISTORICAL SOCIETY$299,999
MASSACHUSETTS GENERAL HOSPITAL$250,000
OLD DARTMOUTH HISTORICAL SOCIETY$200,000
FILSON HISTORICAL SOCIETY$200,000
KENTUCKY HUMANE SOCIETY$189,999
US NAVAL INSTITUTE$116,500
AMERICAN PRINTING HOUSE FOR THE BLIND$114,560
ANDOVER CENTER OF HISTORY$75,000
THE CARROLL CENTER FOR THE BLIND$50,000
IMMIGRANT CITY ARCHIVES INC$40,000
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 (FY23–25) land where the poverty rate runs at 13%, against an area that typically sits at 8%. 95% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 8%PERKINS SCHOOL FOR THE BLIND: $500k → 8%IMMIGRANT CITY ARCHIVES INC: $88k → 10%OLD DARTMOUTH HISTORICAL SOCIETY: $200k → 11%BRIGHAM AND WOMEN'S HOSPITAL: $500k → 16%GUIDE DOG FOUNDATION FOR THE BLIND: $20k → 7%US NAVAL INSTITUTE: $136k → 6%LOUISVILLE ORCHESTRA: $450k → 15%PROJECT CAMP INC: $10k → 15%PERKINS SCHOOL FOR THE BLIND: $488k → 8%IMMIGRANT CITY ARCHIVES INC: $50k → 10%NEW BEDFORD WHALING MUSEUM: $175k → 11%BRIGHAM AND WOMEN'S HOSPITAL: $500k → 16%US NAVAL INSTITUTE: $136k → 6%LOUISVILLE ORCHESTRA: $400k → 15%PERKINS SCHOOL FOR THE BLIND: $488k → 8%IMMIGRANT CITY ARCHIVES INC: $40k → 10%AZOREAN MARITIME HERITAGE SOCIETY: $50k → 11%BRIGHAM AND WOMEN'S HOSPITAL: $500k → 16%US NAVAL INSTITUTE: $117k → 6%LOUISVILLE ORCHESTRA: $400k → 15%UNIVERSITY OF MASSACHUSETTS FOUNDATION: $150k → 8%ANDOVER HISTORICAL SOCIETY: $300k → 10%DANA-FARBER CANCER INSTITUTE: $250k → 16%KENTUCKY SCHOOL FOR THE BLIND: $327k → 15%THE CARROLL CENTER FOR THE BLIND: $50k → 8%ANDOVER HISTORICAL SOCIETY: $75k → 10%MASSACHUSETTS GENERAL HOSPITAL: $619k → 16%KENTUCKY SCHOOL FOR THE BLIND: $180k → 15%UNIVERSITY OF MASSACHUSETTS: $150k → 8%ANDOVER CENTER OF HISTORY: $75k → 10%MASS GENERAL HOSPITAL: $369k → 16%KENTUCKY SCHOOL FOR THE BLIND: $143k → 15%ANDOVER CENTER OF HISTORY: $75k → 10%MASSACHUSETTS GENERAL HOSPITAL: $250k → 16%AMERICAN PRINTING HOUSE FOR THE BLIND: $115k → 15%FILSON HISTORICAL SOCIETY: $200k → 15%FILSON HISTORICAL SOCIETY: $200k → 15%KENTUCKY HUMANE SOCIETY: $190k → 15%KENTUCKY HUMANE SOCIETY: $90k → 15%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.

69%of every dollar goes to organizations it has funded before.
$9.1M · 14 repeat orgs$4.2M to everyone else

14 repeat relationships: 13 still active in FY2025, 1 since wound down; 3 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

14
22

Total granted

$9.1M
$4.0M

Median revenue growth · since first grant

+17%
+69%

Still filing today

64%
18%

New vs renewed · share of each year

In FY2025, 95% of grant dollars renewed an existing relationship; $175k went to new ones.

50%100%’22’23’24’25
RenewedFirst-time

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

’22’23’24’25
EducationArts & CultureHealthAnimalsRecreation & SportsOther
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

  • PS
    PERKINS SCHOOL FOR THE BLIND
    3× · 2023–2025 · $1.5M · revenue +2%
  • TL
    THE LOUISVILLE ORCHESTRA INC
    3× · 2023–2025 · $1.3M · revenue +10%
  • LC
    LAHEY CLINIC HOSPITAL INC
    2× · 2023–2024 · $447k · revenue +17%

Funded once

  • PS
    PERKINS SCHOOL FOR THE BLIND
    one grant, 2022 · $488k
  • TF
    THE FILSON HISTORICAL SOCIETY
    one grant, 2022 · $400k
  • BA
    BRIGHAM AND WOMEN'S HOSPITAL
    one grant, 2022 · $400k
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
The Boston Foundation for Sight Inc

Our mission is to improve quality of life by transforming the understanding, treatment, and care of the ocular surface.

Human Services
2
Boston Architectural College

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

—
3
Mass General Brigham Incorporated & Affiliates Group Return

Mass general brigham incorporated is developing an integrated health care delivery system throughout the region that offers patients a continuum of coordinated, high-quality care.

Health
4
Massachusetts Eye & Ear Infirmary

THE MASSACHUSETTS EYE AND EAR INFIRMARY ("THE INFIRMARY") IS A NOT-FOR-PROFIT TEACHING HOSPITAL CONDUCTING PATIENT CARE AND RESEARCH. THE INFIRMARY IS A TEACHING HOSPITAL OF HARVARD MEDICAL SCHOOL AND AN INTERNATIONAL CENTER FOR RESEARCH.…

Health
5
Trustees of Boston University

Organization's mission: boston university is an international, comprehensive, private research university, committed to educating students to be reflective, resourceful individuals ready to live, adapt, and lead in an interconnected world.…

—
6
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
7
Massachusetts Higher Education Assistance Corporation

The organization's primary exempt purpose is to provide access to and conduct activities in furtherance of higher education.

—
8
Fitchburg Historical Society

Museum and research library for history of fitchburg, massachusetts

—
9
Massachusetts Institute of Technology

The mission of mit is to advance knowledge and educate students in science, technology, and other areas of scholarship that will best serve the nation and the world in the 21st century.

Education
10
Schepens Eye Research Institute Inc

Description of organization mission the schepens eye research institute ("schepens") fights blindness by developing new technologies, therapies and knowledge to retain and restore vision. through a continuum of discovery, the institute…

Health
11
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
12
Mcphs University

Mcphs university prepares students for careers in health care through teaching, scholarship, research, professional service and community engagement.

Education
How this is measured
The grantee most central to the portfolio’s shape is Perkins School for the Blind; the most unlike its peers is Immigrant City Archives. 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

16 grantees tracked through their own filings, 2017–2025.

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 2025, not grant rows in a single year, so this will not match the grant count on the cover. 16 of the 39 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.

3
Load-bearing (≥25% of a budget)
2
Early backer (in before they grew)
16/16
Grantees still filing
11/16
Grew since first funded

Where the money sits, by cause and then by grantee

MASS GENERAL BRIGHAM INCORPORATED: $1,500,000 · OtherMASS GENERAL BRIGHAM INCORPORATEDMASSACHUSETTS GENERAL HOSPITAL: $1,071,090 · OtherMASSACHUSETTS GENERAL HOSPITALMAINE MARITIME ACADEMY: $599,999 · OtherMAINE MARITIME ACADEMYPERKINS SCHOOL FOR THE BLIND: $488,023 · OtherPERKINS SCHOOL FOR THE BLINDTHE FILSON HISTORICAL SOCIETY: $400,000 · OtherBRIGHAM AND WOMEN'S HOSPITAL: $400,000 · OtherUS NAVAL INSTITUTE: $387,500 · OtherANDOVER HISTORICAL SOCIETY: $374,999 · OtherMASS GENERAL HOSPITAL: $368,983 · Other+16 more: $2,018,665 · Other+16 morePERKINS SCHOOL FOR THE BLIND: $1,476,046 · EducationPERKINS SCHOOL FOR T…KENTUCKY SCHOOL FOR THE BLIND CHARITABLE: $650,725 · EducationKENTUCKY SCHOOL FOR …Immigrant City Archives: $177,625 · EducationImmigrant City Archi…UNIVERSITY OF MASSACHUSETTS FOUNDATION INC: $150,000 · EducationUNIVERSITY OF MASSAC…THE LOUISVILLE ORCHESTRA INC: $1,250,000 · Arts & CultureTHE LOUISVILLE …Old Dartmouth Historical Society: $375,000 · Arts & CultureOld Dartmouth H…AMERICAN PRINTING HOUSE FOR THE BLIND INC: $114,560 · Arts & CultureAMERICAN PRINTI…+1 more: $50,000 · Arts & CultureLAHEY CLINIC HOSPITAL INC: $446,623 · HealthDana-Farber Cancer Institute Inc: $250,000 · HealthTHE CARROLL CENTER FOR THE BLIND INC: $50,000 · Health+1 more: $10,000 · HealthTHE FILSON HISTORICAL SOCIETY INC: $400,000 · Recreation & SportsKENTUCKY HUMANE SOCIETY - ANIMAL RESCUE: $279,999 · Animals
Other$7,609,259Education$2,454,396Arts & Culture$1,789,560Health$756,623Recreation & Sports$400,000Animals$279,999

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 budgetPERKINS SCHOOL FOR THE BLIND: $1,476,046 over 3y, 0.6% of budgetTHE LOUISVILLE ORCHESTRA INC: $1,250,000 over 3y, 4.2% of budgetKENTUCKY SCHOOL FOR THE BLIND CHARITABLE: $650,725 over 3y, 41% of budgetLAHEY CLINIC HOSPITAL INC: $446,623 over 2y, 0.0% of budgetTHE FILSON HISTORICAL SOCIETY INC: $400,000 over 2y, 6.9% of budgetOld Dartmouth Historical Society: $375,000 over 2y, 2.3% of budgetANDOVER HISTORICAL SOCIETY: $374,999 over 2y, 35% of budgetKENTUCKY HUMANE SOCIETY - ANIMAL RESCUE: $279,999 over 2y, 1.1% of budgetDana-Farber Cancer Institute Inc: $250,000 over 1y, 0.0% of budgetImmigrant City Archives: $177,625 over 3y, 19% of budgetUNIVERSITY OF MASSACHUSETTS FOUNDATION INC: $150,000 over 1y, 0.1% of budgetAMERICAN PRINTING HOUSE FOR THE BLIND INC: $114,560 over 1y, 0.3% of budgetAZOREAN MARITIME HERITAGE SOCIETY: $50,000 over 1y, 33% of budgetTHE CARROLL CENTER FOR THE BLIND INC: $50,000 over 1y, 0.4% of budgetGUIDE DOG FOUNDATION FOR THE BLIND INC: $20,000 over 1y, 0.2% of budgetPROJECT CAMP INC: $10,000 over 1y, 0.2% 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 PERKINS SCHOOL FOR THE BLIND ↗
  • Who funds THE LOUISVILLE ORCHESTRA INC ↗
  • Who funds KENTUCKY SCHOOL FOR THE BLIND CHARITABLE ↗
  • Who funds LAHEY CLINIC HOSPITAL INC ↗
  • Who funds THE FILSON HISTORICAL SOCIETY INC ↗
  • Who funds Old Dartmouth Historical Society ↗
  • Who funds ANDOVER HISTORICAL SOCIETY ↗
  • Who funds KENTUCKY HUMANE SOCIETY - ANIMAL RESCUE ↗
  • Who funds Dana-Farber Cancer Institute Inc ↗
  • Who funds Immigrant City Archives ↗
  • Who funds UNIVERSITY OF MASSACHUSETTS FOUNDATION INC ↗
  • Who funds AMERICAN PRINTING HOUSE FOR THE BLIND INC ↗
  • Who funds AZOREAN MARITIME HERITAGE SOCIETY ↗
  • Who funds THE CARROLL CENTER FOR THE BLIND INC ↗
  • Who funds GUIDE DOG FOUNDATION FOR THE BLIND INC ↗
  • Who funds PROJECT CAMP 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.

Snowy Owl Foundation IncKY13.6× affinity4 shared granteesties to 6 of 6Hover any node to trace its alignments.Compare side by side →

Open a dossier: Snowy Owl Foundation Inc · American Endowment Foundation · Vanguard Charitable Endowment Program · American Online Giving 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 William M Wood Foundation funds: left to right is the share of its income from government, bottom to top the share from William M Wood Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 10%3%13%28%50%funder's share of their income ↑0%8%15%22%30%share of the org’s income from government →median 3%
  • Perkins School for the Blind: 7% of income from government
  • Dana-Farber Cancer Institute Inc: 7% of income from government
  • Andover Historical Society: 3% of income from government
  • The Carroll Center for the Blind Inc: 3% of income from government
  • Lahey Clinic Hospital Inc: 3% of income from government
  • Old Dartmouth Historical Society: 2% of income from government
  • Immigrant City Archives: 1% of income from government
no gov moneyreceives it· size = income
1get no government money at all
1report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–30%
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 William M Wood Foundation?

Find your warmest path to William M Wood 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 39 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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