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· Private foundation

Brown Monson Foundation

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$176k
Granted FY2024still arriving
18
Grants FY2024still arriving
11
States reached
$62k
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, FY2017 to 2024.

Arts & Culture$519kAnimals$312kHealth$214kReligion$138kEducation$60kRecreation & Sports$35kYouth Development$21kEnvironment$15kOther$0
02FY2024 · 18 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k12 grants · $34k
  • $10k–50k5 grants · $80k
  • $50k–250k1 grant · $62k
$5,000
Median grant
11
States reached
$1.7M
Total assets
Largest grants
RecipientAmount
SUN VALLEY MUSIC FESTIVAL$62,100
ST LUKE'S WOOD RIVER FOUNDATION$25,000
WILDLIFE HERITAGE FOUNDATION OF NH$20,000
NATURAL DHARMA FELLOWSHIP$15,000
SAFARI CLUB INTERNATIONAL FOUND$10,000
CONSERVATION FORCE$10,000
MICHIGAN LAW SCHOOL$5,000
CARLETON COLLEGE$5,000
BOY SCOUTS OF AMERICA$5,000
HOME HEALTH AND HOSPICE$4,500
CATALYST SCHOOLS$2,500
UCSF FOUNDATION$2,500
BLAINE COUNTY WILDLIFE MUSEUM$2,500
THE KEHREIN CENTER FOR THE ARTS$2,500
MANCHESTER COMMUNITY THEATER PLAYER$1,500
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 (FY17–17, $2k) land where the poverty rate runs at 8%, against an area that typically sits at 10%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 10%COMMONWEAL: $2k → 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.

Which US states its grants reach

NH
WA
ID
MT
MN
IL
MI
MA
OR
CA
CO
AZ
NC
LA
AL
TX
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.

97%of every dollar goes to organizations it has funded before.
$1.3M · 35 repeat orgs$38k to everyone else

Grantees it renews have grown median revenue +39% since the first grant, against +19% for those funded once.

35 repeat relationships: 17 still active in FY2024, 18 since wound down; 1 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

35
17

Total granted

$1.3M
$38k

Median revenue growth · since first grant

+39%
+19%

Still filing today

43%
41%

New vs renewed · share of each year

In FY2024, 100% of grant dollars renewed an existing relationship; $275 went to new ones.

50%100%’17’18’19’20’21’22’23’24
RenewedFirst-time

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

’17’18’19’20’21’22’23’24
Arts & CultureEducationHealthAnimalsHuman ServicesReligionOther
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

  • SV
    SUN VALLEY SUMMER SYMPHONY INC
    8× · 2017–2024 · $416k · revenue +7%
  • SL
    ST LUKE'S WOOD RIVER FOUNDATION INC
    8× · 2017–2024 · $175k · revenue +144%
  • ND
    NATURAL DHARMA FELLOWSHIP
    8× · 2017–2024 · $91k · revenue +57%

Funded once

  • IG
    Individual grant recipient
    one grant, 2019 · $7k
  • TA
    THE ARGYROS PEFORMING ARTS
    one grant, 2023 · $5k
  • IG
    Individual grant recipient
    one grant, 2019 · $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
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
2
Harvard Conservation Trust

To preserve the unique character and natural resources of harvard.

Environment
3
Conservation Legacy

Conservation legacy engages future leaders who protect, restore, and enhance our nation's lands through community-based service.in 2024, conservation legacy engaged 2,524 participants who completed over 1.5 million service hours on public…

Youth Development
4
Natural History Institute

Natural History Institute is organized to provide leadership and resources for a revitalized practice of natural history that integrates art, science, and humanities to promote the health and well-being of humans and the rest of the…

Arts & Culture
5
Chicago Zoological Society

To inspire conservation leadership by connecting people with wildlife and nature.

Animals
6
Ucsf Foundation Investment Company

The organization provides professional investment management services for endowed gifts and financial assets entrusted to the ucsf foundation.

Education
7
Sustainable Conservation Inc

Sustainable conservation, inc works with the conservation fund, a nonprofit corporation, to create partnerships with the private, nonprofit, and public sectors to protect the outdoor heritage of the united states.

Environment
8
Conservation Farms & Ranches

Preserving and enhancing the habitat of wildlife, such as sandhill cranes, waterfowl, raptors, which habitat expenses are supported by agricultural activities.

Housing & Shelter
9
Institute for Conservation Leadership

To support healthy communities and a healthy earth, the institute for conservation leadership strengthens leaders, organizations, coalitions and networks.

Community Improvement
10
Native Plant Trust Inc

The organization's mission is to conserve and promote new england's native plants to ensure healthy, biologically diverse landscapes.

Environment
11
Land Conservancy of Ridgefield Inc

The Land Conservancy of Ridgefield, Inc. ("the Land Conservancy"), founded in 1967, preserves and protects, for the general benefit of the public, Ridgefield, Connecticut's natural resources including land and water resources, the plant…

Environment
12
Massachusetts Land Conservation Trust

Conservation and preservation of land.

Environment
How this is measured
The grantee most central to the portfolio’s shape is Field Museum of Natural History; the most unlike its peers is Commonweal. 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

24 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. 24 of the 53 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)
23/24
Grantees still filing
16/24
Grew since first funded

Where the money sits, by cause and then by grantee

NATURAL DHARMA FELLOWSHIP: $90,500 · OtherNATURAL DHARMA FELLOWSHIPWILDLIFE HERITAGE FOUNDATION OF NH: $82,500 · OtherWILDLIFE HERITAGE FOUNDATION OF NHBLAINE COUNTY WILDLIFE MUSEUM: $65,220 · OtherBLAINE COUNTY WILDLIFE MUSEUMMANCHESTER COMMUNITY THEATER PLAYER: $46,500 · OtherMANCHESTER COMMUNITY THEATER PLAYERLIGHTS OF BEROTSANA TRANSLATION: $25,000 · OtherTHE ARGYROS: $20,000 · OtherWILDLIFE HERITAGE FOUNDATION: $19,000 · Other+32 more: $172,500 · Other+32 moreSUN VALLEY SUMMER SYMPHONY INC: $416,188 · Arts & CultureSUN VALLEY SUMMER SYMPHONY INC+4 more: $15,700 · Arts & CultureST LUKE'S WOOD RIVER FOUNDATION INC: $175,000 · HealthST LUKE'S WOOD…+1 more: $275 · HealthCONSERVATION FORCE INC: $75,000 · AnimalsCONSERVATION…SAFARI CLUB INTERNATIONAL FOUNDATION: $70,500 · AnimalsSAFARI CLUB …CATALYST SCHOOLS: $26,000 · EducationCARLETON COLLEGE: $22,500 · EducationUNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION: $9,500 · EducationSawtooth Sports Foundation Inc: $20,000 · Recreation & SportsFamilies in Transition: $2,000 · Housing & Shelter
Other$521,220Arts & Culture$431,888Health$175,275Animals$145,500Education$58,000Recreation & Sports$20,000Housing & Shelter$2,000

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 budgetSUN VALLEY SUMMER SYMPHONY INC: $416,188 over 8y, 1.6% of budgetST LUKE'S WOOD RIVER FOUNDATION INC: $175,000 over 8y, 0.7% of budgetNATURAL DHARMA FELLOWSHIP: $90,500 over 8y, 2.8% of budgetCONSERVATION FORCE INC: $75,000 over 6y, 1.1% of budgetSAFARI CLUB INTERNATIONAL FOUNDATION: $70,500 over 7y, 0.2% of budgetCATALYST SCHOOLS: $26,000 over 7y, 0.0% of budgetCARLETON COLLEGE: $22,500 over 7y, 0.0% of budgetSawtooth Sports Foundation Inc: $20,000 over 2y, 8.2% of budgetUNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION: $9,500 over 2y, 0.0% of budgetPATHWAY TO ADVENTURE COUNCIL INC BOY SCOUTS OF AMERICA: $9,000 over 3y, 0.1% of budgetFIELD MUSEUM OF NATURAL HISTORY: $7,500 over 3y, 0.0% of budgetChicago Symphony Orchestra: $5,000 over 4y, 0.0% of budgetPISCATAQUOG LAND CONSERVANCY: $5,000 over 5y, 0.4% of budgetCHICAGO SINFONIETTA INC: $3,000 over 5y, 0.1% of budgetFamilies in Transition: $2,000 over 2y, 0.0% of budgetSt Luke's Foundation Inc: $2,000 over 1y, 0.2% of budgetCOMMONWEAL: $2,000 over 1y, 0.1% of budgetRURAL MONTANA FOUNDATION: $1,000 over 1y, 6.2% of budgetCurrier Gallery of Art: $1,000 over 1y, 0.0% of budgetIDAHO FOUNDATION FOR PARKS AND LANDS: $500 over 1y, 0.4% of budgetNATIONAL BREAST CANCER FOUNDATION INC: $275 over 1y, 0.0% of budgetCHICAGO THEATRE GROUP INC: $200 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 SUN VALLEY SUMMER SYMPHONY INC ↗
  • Who funds ST LUKE'S WOOD RIVER FOUNDATION INC ↗
  • Who funds NATURAL DHARMA FELLOWSHIP ↗
  • Who funds CONSERVATION FORCE INC ↗
  • Who funds SAFARI CLUB INTERNATIONAL FOUNDATION ↗
  • Who funds CATALYST SCHOOLS ↗
  • Who funds CARLETON COLLEGE ↗
  • Who funds Sawtooth Sports Foundation Inc ↗
  • Who funds UNIVERSITY OF CALIFORNIA SAN FRANCISCO FOUNDATION ↗
  • Who funds PATHWAY TO ADVENTURE COUNCIL INC BOY SCOUTS OF AMERICA ↗
  • Who funds BEDFORD LAND TRUST ↗
  • Who funds FIELD MUSEUM OF NATURAL HISTORY ↗
  • Who funds Chicago Symphony Orchestra ↗
  • Who funds PISCATAQUOG LAND CONSERVANCY ↗
  • Who funds CHICAGO SINFONIETTA 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.

Morgan Stanley Global Impact Funding Trust IncIN6.7× affinity4 shared granteesties to 7 of 7Hover any node to trace its alignments.Compare side by side →

Open a dossier: Morgan Stanley Global Impact Funding Trust Inc · Donor Advised Charitable Giving Inc · The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program · National Philanthropic Trust · Fidelity Investments Charitable Gift Fund · American Online Giving Foundation 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 Brown Monson Foundation funds: left to right is the share of its income from government, bottom to top the share from Brown Monson Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%1%3%6%10%funder's share of their income ↑0%4%8%11%15%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    3report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–15%
    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 Brown Monson Foundation?

    Find your warmest path to Brown Monson 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 53 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 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

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