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Plinth

· Private foundation

The Martin Foundation Inc

Its FY2025 filing reports that it accepted unsolicited grant applications.

$2.3M
Granted FY2025still arriving
50
Grants FY2025still arriving
14
States reached
$200k
Largest
01What you fundRead
02The needRead
03Your edgeRead
04Your fieldRead
05Through PlinthRead
01What you fund
0197% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY2019–2025.

Environment$4.3MArts & Culture$1.8MEducation$1.8MHealth$1.1MHuman Services$1.1MScience & Tech$1.0MHousing & Shelter$717kCivil Rights$635kOther$0
02FY2025 · 50 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k2 grants · $10k
  • $10k–50k29 grants · $645k
  • $50k–250k19 grants · $1.6M
$25,000
Median grant
14
States reached
$39M
Total assets
Largest grants
RecipientAmount
Individual grant recipient$200,000
NAPLES BOTANICAL GARDEN$150,000
UMASS BOSTON$120,000
UNIVERSITY OF MINNESOTA$100,000
VERMONT COLLEGE OF FINE ARTS$100,000
ROCKEFELLER PHILANTHROPY ADVISORS$100,000
LAWRENCE GENERAL HOSPITAL$100,000
QUESTSCOPE$100,000
Individual grant recipient$100,000
CENTER FOR REPRODUCTIVE RIGHTS$90,000
EARTHJUSTICE$65,000
OCEAN CONSERVANCY$50,000
INSIDE CLIMATE NEWS$50,000
NATIONAL PARKS CONSERVATION ASSOCIATION$50,000
Individual grant recipient$50,000
02The need
03

Do your dollars go where the need is?

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

show:

Your human-services grants (FY19–25, $1.4M) land where the poverty rate runs at 11%, against an area that typically sits at 9%. 94% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 9%CAMBRIDGE COMMUNITY CENTER: $35k → 8%THE FREE BOOK BUGGIE: $5k → 6%RIP MEDICAL DEBT: $10k → 13%DOGS INC: $15k → 10%SPRINGBOARD TO OPPORTUNITIES: $25k → 23%CHARITY NAVIGATOR: $20k → 7%THE BRIDGE FUND OF NEW YORK: $15k → 17%SOUTHEASTERN GUIDE DOGS: $7k → 10%SOLIHTEN INSTITUTE: $100k → 12%SPRINGBOARD TO OPPORTUNITIES: $17k → 23%CHARITY NAVIGATOR: $15k → 7%PAWS ASSISTANCE DOGS INC: $25k → 10%CHARITY NAVIGATOR: $10k → 7%GOLDEN PAWS ASSISTANCE DOG: $25k → 10%SOLIHTEN INSTITUTE: $50k → 12%SOLIHTEN INSTITUTE: $50k → 12%SOLIHTEN INSTITUTE: $40k → 12%PARKINSON ASSOCIATION OF SWFL: $20k → 10%SAMARITAN INSTITUTE: $40k → 12%PAWS ASSISTANCE DOGS INC: $20k → 10%ASSOCIATION TO BENEFIT CHILDREN: $30k → 17%ASSOCIATION TO BENEFIT CHILDREN: $30k → 17%ASSOCIATION TO BENEFIT CHILDREN: $30k → 17%ASSOCIATION TO BENEFIT CHILDREN: $15k → 17%APOPO US INC: $10k → 14%SHELTER FOR ABUSED WOMEN & CHILDREN: $100k → 10%SHELTER FOR ABUSED WOMEN & CHILDREN: $100k → 10%SHELTER FOR ABUSED WOMEN & CHILDREN: $100k → 10%SHELTER FOR ABUSED WOMEN & CHILDREN: $25k → 10%SHELTER FOR ABUSED WOMEN & CHILDREN: $25k → 10%SHELTER FOR ABUSED WOMEN & CHILDREN: $25k → 10%SHELTER FOR ABUSED WOMEN & CHILDREN: $1k → 10%GRACE PLACE FOR CHILDREN AND FAMILIES: $15k → 10%AVOW HOSPICE: $25k → 10%AVOW HOSPICE: $5k → 10%GUADALUPE CENTER: $200k → 10%GUADALUPE CENTER OF IMMOKALEE: $25k → 10%FUN TIME EARLY CHILDHOOD ACADEMY INC: $15k → 10%PARKINSON ASSOC OF SWFL: $15k → 10%FUN TIME EARLY CHILDHOOD ACADEMY INC: $10k → 10%FUN TIME EARLY CHILDHOOD ACADEMY INC: $10k → 10%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount

Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty linein the grantee’s ZIP, averaged from the tracts in that ZIP; grantee ZIP can differ from where services are delivered.

Which US states your grants reach

VT
NH
WA
MN
IL
WI
NY
MA
IN
NJ
CT
CA
CO
WV
VA
NM
KS
TN
NC
DC
LA
MS
AL
GA
FL

US grants placed by each grantee’s ZIP, which can differ from where services are actually delivered. Need from public data — U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA — shown as context about the area, never attributed to your giving.

03Your edge
repeat funding

Who you back again

Which organizations you funded more than once, and which you funded a single time. Each grantee is matched to its own filings.

79%of every dollar goes to organizations you’ve funded before.
$12M · 81 repeat orgs$3.0M to everyone else

81 repeat relationships — 31 still active in FY2025, 50 since wound down; 18 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

81
74

Total granted

$12M
$2.5M

Median revenue growth · since first grant

+20%
+35%

Still filing today

69%
57%

New vs renewed · share of each year

In FY2025, 75% of grant dollars renewed an existing relationship; $555k went to new ones.

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

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

’19’20’21’22’23’24’25
EnvironmentHuman ServicesHealthEducationFood & NutritionAnimalsOther

First-time = a grantee’s first year in your filing window; renewed = funded in an earlier year too. As a portfolio matures the renewed share naturally climbs — once funded, an org stays “renewable” — so the signal is the years that buck it (a new-grantee intake wave). 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

  • THE CONSERVANCY OF SOUTHWEST FLORIDA
    4× · 2019–2024 · $825k · revenue +82%
  • THE UNION OF CONCERNED SCIENTISTS INC
    4× · 2019–2022 · $520k · revenue +6%
  • THE CENTER FOR REPRODUCTIVE RIGHTS INC
    6× · 2019–2025 · $495k · revenue +53%

Funded once

  • HF
    HABITAT FOR HUMANITY
    one grant, 2022 · $200k
  • VC
    VERMONT COLLEGEE OF THE ARTS
    one grant, 2022 · $200k
  • UO
    UNIVERSITY OF MN
    one grant, 2024 · $175k

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

04Your field

The map has a center of gravity: the average direction from the rest of the sector toward the organizations the foundation funds — the shape of its giving. Scoring every nonprofit along that direction surfaces the ones that look most like the portfolio. These are the closest matchesthat aren’t grantees — a resemblance in what they say they do, not a recommendation.

1
Friends of the Earth

Friends of the earth strives for a more healthy and just world by defendng the environment and human health while advancing social and economic justice by conducting research and education, transforming the economy so it protects the…

Environment
2
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
3
Rainforest Trust

Rainforest trust saves endangered wildlife and protects our planet by creating rainforest reserves through partnerships, community engagement, and donor support.

International
4
The Water Research Foundation

The purpose of the water research foundation (wrf) is a definitive research organization to advance the science of all things water to better meet the evolving needs of its subscribers and the water sector. to engage exclusively in…

Environment
5
American Flood Coalition Inc

To drive transformational adaptation to protect communities across the country from higher seas, stronger storms, and more frequent flooding.

Environment
6
National Fish and Wildlife Foundation

To sustain, restore, and enhance the nation's fish, wildlife, plants, and habitats.

Animals
7
Eastern National

Eastern national promotes the public's understanding and support of america's national parks and other public trust partners by providing quality educational experiences, products and services.

Recreation & Sports
8
World Resources Institute

Wri is committed to creating change that improves people's lives and ensures the natural world can thrive. (see schedule o)wri's bold vision requires a formula for success we call "count it. change it. scale it.":- count it: our work is…

International
9
Environmental Investigation Agency

To establish and promote programs to protect the global climate, forests, wildlife and the natural environment, through research, advocacy, and investigation.

International
10
American Water Works Association

To promote public health, safety, and welfare through the improvement of the quality and quantity of drinking water and the development and furtherance of understanding of the problems relating thereto.

Public Benefit
11
National Association of Clean Water Agencies

Nacwa is the national voice of public clean water utilities, shaping water policy, convening a vibrant peer network, and empowering water leaders.

—
12
Wildlife Conservation Network Inc

Connect conservationists and supporters, deploy resources to the field, provide conservationists with tools and support they need to succeed.

Animals

For reference, the grantee most central to the portfolio’s shape is The Shelter for Abused Women & Children Inc and the most unlike its peers is Tacoma Photo Center. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

For each theme you fund, this compares how the sector’s money is shifting with how your own giving is shifting.

← shrinkinggrowing →↓ leaning in → pulling backsteadyEnvironmental Conservation …Policy Research and AdvocacyCommunity FoundationsCommunity College Foundatio…Food Banks and PantriesAffordable Housing Developm…Volunteer Fire & Ems Servic…Affordable Housing Construc…Local Food System Organizat…Elementary Literacy TutoringOrchestra and Ensemble Perf…Independent K-12 SchoolsCancer Support ServicesHealth Access Advocacy and …Pregnancy Support ServicesDomestic Violence Services
the sector your giving your giving is ahead of the sector the sector’s ahead of you· dot size = how much the theme matters to each side
Ordered by the change in your giving — leaning in on top, pulling back at the bottom. The bar between the two dots is how out of step you are with the sector. Hover any row for detail.

Sector change and giving change are each shown relative to their own range, growing (right) or shrinking (left); both normalized, so inflation isn’t mistaken for growth.

Your grantees are a median of 35 years old; the field is 16. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number22%1%<5yr14%4%5–10yr19%17%10–20yr16%28%20–35yr13%33%35–55yr16%17%55yr+
THE FIELDby orgYOUR MONEYby value22%0%<5yr14%1%5–10yr19%12%10–20yr16%24%20–35yr13%40%35–55yr16%24%55yr+

The field is 22% startups (under 5 years old) — 1% of your grantees by number, and just 0% of your money.

Closures · last 5 years

The orgs you fund almost never close — 0.0% lost their exemption, against 13% of the field you don’t fund.

orgs you fund
0.0%0/117
the rest of the field
13%
240,396/1,819,448

Age = years since IRS exemption (a founding proxy). “Closed” = auto-revocation for 3 years of non-filing — a floor on closure, not proof, and bigger established orgs lapse least. Association, not causation.

04the grantee network

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

Each one resolved to its own IRS returns and tracked year by year — your grant beside their revenue from every source. Association, dated; never a causal claim.

Counted here: distinct organizations you funded across 2017–2025, not grant rows in a single year — so this will not match the grant count on the cover. 114 of the 176 grantees resolved in that span have returns of their own we could reconcile; the rest are funded organizations whose filings we could not track year by year.

2
Load-bearing (≥25% of a budget)
17
Early backer (in before they grew)
114/114
Grantees still filing
76/114
Grew since you first funded

Where your money sits — by cause, then by grantee

Individual grant recipient — $1,325,000 · OtherIndividual grant recipientTHE CONSERVANCY OF SOUTHWEST FLORIDA — $825,000 · OtherTHE CONSERVANCY OF SOUTHWEST FLORIDAVT COLLEGE OF FINE ARTS — $575,500 · OtherVT COLLEGE OF FINE ARTSUNIVERSITY OF MINNESOTA — $350,000 · OtherROCKEFELLER PHILANTHROPY ADVISORS INC — $400,000 · Other+104 more — $5,556,000 · Other+104 moreEARTHJUSTICE — $330,000 · EnvironmentEARTHJUSTICENAPLES BOTANICAL GARDEN INC — $270,000 · EnvironmentNAPLES BOTANI…OCEAN CONSERVANCY — $225,000 · EnvironmentOCEAN CONSERV…THE SURFRIDER FOUNDATION — $200,000 · EnvironmentTHE SURFRIDER…ENVIRONMENTAL DEFENSE FUND INCORPORATED — $150,000 · EnvironmentENVIRONMENTAL…Bear Yuba Land Trust — $100,000 · EnvironmentBear Yuba Lan…ALASKA WILDERNESS LEAGUE — $75,000 · EnvironmentNORTHEAST WILDERNESS TRUST CORPORATION — $70,000 · Environment+11 more — $310,000 · Environment+11 moreTHE SHELTER FOR ABUSED WOMEN & CHILDREN INC — $376,000 · Human ServicesTHE SHELTE…SAMARITAN INSTITUTE INC — $280,000 · Human ServicesSAMARITAN …Guadalupe Center Inc — $225,000 · Human ServicesGuadalupe …ASSOCIATION TO BENEFIT CHILDREN — $105,000 · Human ServicesASSOCIATIO…Golden PAWS Assistance Dogs Inc — $70,000 · Human Services+13 more — $315,500 · Human Services+13 moreTHE UNION OF CONCERNED SCIENTISTS INC — $520,000 · InternationalQUESTSCOPE LTD — $365,000 · InternationalMEDECINS SANS FRONTIERES USA INC — $40,000 · International+3 more — $35,000 · InternationalVERMONT COLLEGE OF FINE ARTS INC — $574,500 · EducationUNIVERSITY OF MINNESOTA FOUNDATION — $75,000 · EducationFLORIDA GULF COAST UNIVERSITY FOUNDATION INC — $55,000 · EducationWIKIMEDIA FOUNDATION INC — $40,000 · Education+6 more — $84,500 · EducationWashburn Center for Children — $140,000 · HealthLawrence General Hospital — $120,000 · HealthNCH HEALTHCARE SYSTEM INC — $75,000 · HealthSHATTERPROOF A NONPROFIT CORPORATION — $70,000 · HealthCANCER ALLIANCE NETWORK INC — $53,500 · HealthPLANNED PARENTHOOD OF SOUTHWEST AND CENTRAL FLORIDA INC — $35,000 · HealthBurn Survivors of New England Inc — $30,000 · HealthNEIGHBORHOOD HEALTH CLINIC INC — $20,000 · HealthFLORIDA LIONS EYE CLINC INC — $20,000 · Health+2 more — $25,000 · HealthTHE CENTER FOR REPRODUCTIVE RIGHTS INC — $495,000 · Civil RightsAMERICAN CIVIL LIBERTIES UNION FOUNDATION INC — $37,500 · Civil RightsPROVIDE INC — $20,000 · Civil Rights
Other$9,031,500Environment$1,730,000Human Services$1,371,500International$960,000Education$829,000Health$588,500Civil Rights$552,500

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetTHE CONSERVANCY OF SOUTHWEST FLORIDA — $825,000 over 4y, 2.3% of budgetVERMONT COLLEGE OF FINE ARTS INC — $574,500 over 3y, 2.6% of budgetTHE UNION OF CONCERNED SCIENTISTS INC — $520,000 over 4y, 0.4% of budgetTHE CENTER FOR REPRODUCTIVE RIGHTS INC — $495,000 over 6y, 0.3% of budgetROCKEFELLER PHILANTHROPY ADVISORS INC — $400,000 over 4y, 0.0% of budgetTHE SHELTER FOR ABUSED WOMEN & CHILDREN INC — $376,000 over 4y, 1.4% of budgetQUESTSCOPE LTD — $365,000 over 7y, 8.4% of budgetEARTHJUSTICE — $330,000 over 7y, 0.1% of budgetSAMARITAN INSTITUTE INC — $280,000 over 4y, 7.7% of budgetNAPLES BOTANICAL GARDEN INC — $270,000 over 3y, 0.7% of budgetOCEAN CONSERVANCY — $225,000 over 5y, 0.2% of budgetGuadalupe Center Inc — $225,000 over 2y, 1.1% of budgetTHE SURFRIDER FOUNDATION — $200,000 over 6y, 0.4% of budgetNAPLES ZOO INC — $200,000 over 2y, 1.6% of budgetENVIRONMENTAL DEFENSE FUND INCORPORATED — $150,000 over 4y, 0.0% of budgetHabitat for Humanity of Collier County Inc — $145,000 over 3y, 0.3% of budgetARTIS-NAPLES INC — $145,000 over 6y, 0.1% of budgetWashburn Center for Children — $140,000 over 4y, 0.2% of budgetLawrence General Hospital — $120,000 over 2y, 0.0% of budgetASSOCIATION TO BENEFIT CHILDREN — $105,000 over 4y, 0.1% of budgetINSIDE CLIMATE NEWS INC — $100,000 over 2y, 0.8% of budgetBear Yuba Land Trust — $100,000 over 4y, 1.6% of budgetCOLLIER COMMUNITY FOUNDATION INC — $95,000 over 2y, 0.2% of budgetHARRY CHAPIN FOOD BANK OF SOUTHWEST FLORIDA INC — $80,000 over 3y, 0.1% of budgetUNIVERSITY OF MINNESOTA FOUNDATION — $75,000 over 1y, 0.0% of budgetALASKA WILDERNESS LEAGUE — $75,000 over 2y, 1.0% of budgetNEVADA CITY COMMUNITY BROADCAST GROUP — $75,000 over 3y, 1.8% of budgetCollier County Jr Deputies League Inc — $75,000 over 2y, 45% of budgetGOODWILL INDUSTRIES OF SW FLORIDA INC — $70,500 over 5y, 0.0% of budgetGolden PAWS Assistance Dogs Inc — $70,000 over 3y, 1.6% of budgetNORTHEAST WILDERNESS TRUST CORPORATION — $70,000 over 4y, 0.1% of budgetSHATTERPROOF A NONPROFIT CORPORATION — $70,000 over 2y, 0.2% of budgetFLORIDA GULF COAST UNIVERSITY FOUNDATION INC — $55,000 over 1y, 0.2% of budgetCANCER ALLIANCE NETWORK INC — $53,500 over 4y, 1.7% of budgetVINDEKET — $51,250 over 4y, 0.4% of budgetAmerican Forests — $50,000 over 1y, 0.1% of budgetDucks Unlimited Inc — $50,000 over 2y, 0.0% of budgetSECOND HARVEST OF SILICON VALLEY — $50,000 over 3y, 0.0% of budgetGREENPEACE FUND INC — $50,000 over 4y, 0.1% of budgetCharity Navigator — $45,000 over 3y, 0.3% of budgetThe Collier County One Hundred Club Inc — $45,000 over 1y, 14% of budgetSPRINGBOARD TO OPPORTUNITIES — $42,000 over 2y, 0.3% of budgetWIKIMEDIA FOUNDATION INC — $40,000 over 2y, 0.0% of budgetMEDECINS SANS FRONTIERES USA INC — $40,000 over 2y, 0.0% of budgetCENTER FOR SCIENCE IN THE PUBLIC INTEREST — $40,000 over 1y, 0.3% of budgetAMERICAN CIVIL LIBERTIES UNION FOUNDATION INC — $37,500 over 2y, 0.0% of budgetPLANNED PARENTHOOD OF SOUTHWEST AND CENTRAL FLORIDA INC — $35,000 over 2y, 0.1% of budgetFun Time Early Childhood Academy Inc — $35,000 over 3y, 0.9% of budget
Go grantee by grantee — a decade per org, and how each moved after you funded them

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

  • Who funds THE CONSERVANCY OF SOUTHWEST FLORIDA ↗
  • Who funds VERMONT COLLEGE OF FINE ARTS INC ↗
  • Who funds THE UNION OF CONCERNED SCIENTISTS INC ↗
  • Who funds THE CENTER FOR REPRODUCTIVE RIGHTS INC ↗
  • Who funds ROCKEFELLER PHILANTHROPY ADVISORS INC ↗
  • Who funds THE SHELTER FOR ABUSED WOMEN & CHILDREN INC ↗
  • Who funds QUESTSCOPE LTD ↗
  • Who funds EARTHJUSTICE ↗
  • Who funds SAMARITAN INSTITUTE INC ↗
  • Who funds NAPLES BOTANICAL GARDEN INC ↗
  • Who funds OCEAN CONSERVANCY ↗
  • Who funds Guadalupe Center Inc ↗
  • Who funds THE SURFRIDER FOUNDATION ↗
  • Who funds NAPLES ZOO INC ↗
  • Who funds ENVIRONMENTAL DEFENSE FUND INCORPORATED ↗
  • Who funds Habitat for Humanity of Collier County Inc ↗
  • Who funds ARTIS-NAPLES INC ↗
  • Who funds Washburn Center for Children ↗
  • Who funds Lawrence General Hospital ↗
  • Who funds ASSOCIATION TO BENEFIT CHILDREN ↗
  • Who funds INSIDE CLIMATE NEWS INC ↗
  • Who funds Bear Yuba Land Trust ↗

The grantmakers whose grantees overlap with yours far more than size alone predicts. Each orbits closer the stronger the alignment; the arcs between them show where they also fund each other. Here it reads as a tightly interlocked camp — most of these funders back each other's grantees too.

Collier Community Fou…The League Club IncCarol B Phelon Founda…The Richard M Schulze…Naples Children Found…Suncoast Credit Union…Clif Family FoundationThe Minneapolis Found…Harold & Nancy Kaplan…Barron Collier Jr Fou…Moorings Park Foundat…Seattle Foundation
Collier Community Foundation IncFL33.7× affinity15 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Collier Community Foundation Inc · The League Club Inc · Carol B Phelon Foundation · The Richard M Schulze Family Foundation · Naples Children Foundation Inc · Suncoast Credit Union Foundation · Clif Family Foundation · The Minneapolis Foundation · Harold & Nancy Kaplan Foundation · Barron Collier Jr Foundation Inc · Moorings Park Foundation Inc · Seattle Foundation

Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. A research starting point: overlap is association, not proof of shared intent.

Government reliance of your grantees

Every dot is one organization The Martin Foundation Inc funds. Left–right is the share of its income from government; up–down is the share from you. Bigger dots raise more. Filter to federal, a single department, or state — and drag the year to watch it move.

2024
’20’21’22’23’24’25
no gov · 220%6%25%56%100%your share of their income ↑0%25%50%75%100%share of the org’s income from government →median 2%
  • Lawrence General Hospital — 41% of income from government
  • Xerces Society Inc — 22% of income from government
  • Trustees of Boston University — 12% of income from government
  • Cambridge Community Center Inc — 8% of income from government
  • Naples Botanical Garden Inc — 3% of income from government
  • Northeast Wilderness Trust Corporation — 2% of income from government
  • Shatterproof a Nonprofit Corporation — 2% of income from government
  • Volunteer Florida Foundation Inc — 2% of income from government
  • The Shelter for Abused Women & Children Inc — 2% of income from government
  • Southeastern Guide Dogs Inc — 0% of income from government
  • Hope for Haiti Inc — 0% of income from government
  • Vermont College of Fine Arts Inc — 0% of income from government
  • Guadalupe Center Inc — 0% of income from government
  • Avow Hospice Inc — 0% of income from government
no gov moneyreceives it· size = income
22get no government money at all
26report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
typical government reliance, FY20–25

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 your grant caused the public funding. Coverage is precision-first — a floor, not 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 12–24 months.

05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The Martin Foundation Inc?

Find your warmest path to The Martin Foundation Inc 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 directly from IRS e-file XML — your own 990/990-PF and the multi-year returns of the 176 grantees we resolved across every year we hold, several hundred filings in all (a different count from the grant rows on the cover, which are one fiscal year)— each linked to its source. Grantee achievements and outcomes are each organization’s own program-service reporting (Form 990, Part III); we read these as association with sustained funding — the foundation is one of several forces — suppress low-confidence name matches rather than guess, and say so where a figure rests on a single grant or filing. Not everything on this page is a filed figure, and the difference matters. Filed is what you reported on your 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. How we build these →

Generated from your IRS Form 990-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12–24 months behind; figures are dated accordingly.

Source object · view filing

More from the funding graph

The unnamed billions
grants reported with no recipient in the public record
The regranting layer
51% of grant dollars land in the regranting layer
The DAF merry-go-round
$9.7B circulates between donor-advised funds
The camps
funders cluster by geography, not ideology
By state
where grant money is based, and what stays home
State money flows
the interactive map of money crossing state lines