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· Private foundation

Margaret Dumas Tr Uw

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.

$36k
Granted FY2025still arriving
12
Grants FY2025still arriving
1
States reached
$3k
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2018 to 2025.

Arts & Culture$87kEnvironment$43kReligion$43kAnimals$22kHuman Services$22kScience & Tech$22kHealth$19k
02FY2025 · 12 grants

Where the money goes

Grants by size, and the largest recipients.

$2,958
Median grant
1
States reached
$680k
Total assets
Largest grants
RecipientAmount
South Shore Hospital$3,025
Society for Pres of NE Antiquities$2,958
Appalachian Mountain Club$2,958
St Andrews Episcopal Church$2,958
Norwell Historical Society$2,958
Museum of Science$2,958
First Parish of Norwell Unitarian$2,958
Trustees of Reservations$2,958
Boston Symphony Orchestra$2,958
Museum of Fine Arts$2,958
MSPCA$2,958
Phoenix Lodge AF & AM$2,958
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 (FY18–25) land where the poverty rate runs at 12%, against an area that typically sits at 8%. 59% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 8%South Shore Hospital: $3k → 7%First Parish of Norwell Unitarian: $3k → 8%Trustees of Reservations: $3k → 10%Boston Symphony Orchestra: $3k → 16%South Shore Hospital: $3k → 7%Norwell Historical Society: $3k → 8%Trustees of Reservations: $3k → 10%Museum of Fine Arts: $3k → 16%South Shore Hospital: $3k → 7%Norwell Historical Society: $3k → 8%Trustees of Reservations: $3k → 10%Museum of Fine Arts: $3k → 16%SOUTH SHORE HOSPITAL: $3k → 7%First Parish of Norwell Unitarian: $3k → 8%Trustees of Reservations: $3k → 10%Boston Symphony Orchestra: $3k → 16%Norwell Historical Society: $3k → 8%Museum of Fine Arts: $3k → 16%First Parish of Norwell Unitarian: $3k → 8%Boston Symphony Orchestra: $3k → 16%First Parish of Norwell Unitarian: $3k → 8%Boston Symphony Orchestra: $3k → 16%Norwell Historical Society: $3k → 8%Museum of Fine Arts: $3k → 16%St Andrews Episcopal Church: $3k → 8%Society for Pres of NE Antiquities: $3k → 16%Phoenix Lodge AF & AM: $3k → 8%Museum of Science: $3k → 16%St Andrews Episcopal Church: $3k → 8%Society for Pres of NE Antiquities: $3k → 16%Phoenix Lodge AF & AM: $3k → 8%Museum of Science: $3k → 16%St Andrews Episcopal Church: $3k → 8%Society for Pres of NE Antiquities: $3k → 16%Phoenix Lodge AF & AM: $3k → 8%Museum of Science: $3k → 16%St Andrews Episcopal Church: $3k → 8%Society for Pres of NE Antiquities: $3k → 16%Phoenix Lodge AF & AM: $3k → 8%Museum of Science: $3k → 16%MSPCA: $3k → 16%MSPCA: $3k → 16%MSPCA: $3k → 16%MSPCA: $3k → 16%Appalachian Mountain Club: $3k → 16%Appalachian Mountain Club: $3k → 16%Appalachian Mountain Club: $3k → 16%Appalachian Mountain Club: $3k → 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.

100%of every dollar goes to organizations it has funded before.
$257k · 12 repeat orgs$0 to everyone else

12 repeat relationships: 12 still active in FY2025, 0 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

12
0

Total granted

$257k
$0

Still filing today

67%
0%

New vs renewed · share of each year

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

50%100%’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’18’19’20’21’22’23’24’25
Arts & CultureEnvironmentAnimalsHealthOther
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

  • BS
    BOSTON SYMPHONY ORCHESTRA INC
    8× · 2018–2025 · $22k · revenue +6%
  • MASSACHUSETTS SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS
    8× · 2018–2025 · $22k · revenue +94%
  • NH
    NORWELL HISTORICAL SOCIETY INC
    8× · 2018–2025 · $22k · revenue +334% · 35% of their budget

Funded once

    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
    American Museum of Natural History

    The museum's mission statement is: "to discover, interpret, and disseminate - through scientific research and education - knowledge about human cultures, the natural world, and the universe."

    Arts & Culture
    2
    Massachusetts Outdoor Heritage Foundation Inc Attn Susan Sacco
    —
    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
    Lowell Observatory

    The mission of lowell observatory is to pursue the study of astronomy, especially the study of our solar system and its evolution; to conduct pure research in astronomical phenomena; and to maintain quality public education and outreach…

    Science & Tech
    5
    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
    6
    Science Museum of Minnesota

    The museum's mission statement is "turn on the science: inspire learning. inform policy. improve lives."

    Arts & Culture
    7
    Massachusetts Audubon Society Inc

    To protect the nature of massachusetts for people and for wildlife through education, land conservation, advocacy, scientific research, and habitat stewardship/restoration.

    Environment
    8
    New England Museum of Telephony
    —
    9
    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
    10
    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
    11
    San Francisco Museum of Modern Art

    See schedule osfmoma believes the art of our time is vital and shares it with passion and purpose, and that art and the creative process can open minds and help build a better world. for that reason, we assemble unparalleled collections,…

    Arts & Culture
    12
    Manchester Historic Association

    To collect and preserve materials relating to the history of manchester, new hampshire, and to operate a museum, research center, and educational programs relating to this history for the benefit of the public.

    —
    How this is measured
    The grantee most central to the portfolio’s shape is The Trustees of Reservations; the most unlike its peers is Boston Symphony Orchestra 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

    8 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. 8 of the 12 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)
    1
    Early backer (in before they grew)
    8/8
    Grantees still filing
    6/8
    Grew since first funded

    Where the money sits, by cause and then by grantee

    BOSTON SYMPHONY ORCHESTRA INC: $21,643 · Arts & CultureBOSTON SYMPHONY ORCHESTRA INCNORWELL HISTORICAL SOCIETY INC: $21,643 · Arts & CultureNORWELL HISTORICAL SOCIETY INCMUSEUM OF SCIENCE: $21,643 · Arts & CultureMUSEUM OF SCIENCEMUSEUM OF FINE ARTS: $21,643 · Arts & CultureMUSEUM OF FINE ARTSSociety for Pres of NE Antiquities: $21,643 · OtherSociety for Pres of NE AntiquitiesFirst Parish of Norwell Unitarian: $21,643 · OtherFirst Parish of Norwell UnitarianSt Andrews Episcopal Church: $21,643 · OtherSt Andrews Episcopal ChurchPhoenix Lodge AF & AM: $21,643 · OtherPhoenix Lodge AF & AMAppalachian Mountain Club: $21,643 · EnvironmentAppalachian Mountai…THE TRUSTEES OF RESERVATIONS: $21,643 · EnvironmentTHE TRUSTEES OF RES…MASSACHUSETTS SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS: $21,643 · AnimalsMASSACHUS…SOUTH SHORE HOSPITAL INC: $18,685 · Health
    Arts & Culture$86,572Other$86,572Environment$43,286Animals$21,643Health$18,685

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

    25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetAppalachian Mountain Club: $21,643 over 8y, 0.0% of budgetBOSTON SYMPHONY ORCHESTRA INC: $21,643 over 8y, 0.0% of budgetMASSACHUSETTS SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS: $21,643 over 8y, 0.0% of budgetNORWELL HISTORICAL SOCIETY INC: $21,643 over 8y, 35% of budgetMUSEUM OF SCIENCE: $21,643 over 8y, 0.0% of budgetMUSEUM OF FINE ARTS: $21,643 over 8y, 0.0% of budgetTHE TRUSTEES OF RESERVATIONS: $21,643 over 8y, 0.0% of budgetSOUTH SHORE HOSPITAL INC: $18,685 over 8y, 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 Appalachian Mountain Club ↗
    • Who funds BOSTON SYMPHONY ORCHESTRA INC ↗
    • Who funds MASSACHUSETTS SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS ↗
    • Who funds NORWELL HISTORICAL SOCIETY INC ↗
    • Who funds MUSEUM OF SCIENCE ↗
    • Who funds MUSEUM OF FINE ARTS ↗
    • Who funds THE TRUSTEES OF RESERVATIONS ↗
    • Who funds SOUTH SHORE HOSPITAL INC ↗

    How much its grantees rely on government

    Each dot is one organization Margaret Dumas Tr Uw funds: left to right is the share of its income from government, bottom to top the share from Margaret Dumas Tr Uw. Bigger dots raise more.

    2024
    ’20’21’22’23’24’25
    no gov · 20%3%10%23%40%funder's share of their income ↑0%3%5%8%10%share of the org’s income from government →median 1%
    • South Shore Hospital Inc: 5% of income from government
    • The Trustees of Reservations: 2% of income from government
    • Appalachian Mountain Club: 1% of income from government
    • Boston Symphony Orchestra Inc: 0% of income from government
    • Museum of Science: 0% of income from government
    • Museum of Fine Arts: 0% of income from government
    no gov moneyreceives it· size = income
    2get no government money at all
    0rely on government for over half their income
    ⤢ axis zoomed · 0–10%
    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.

    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 12 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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