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Plinth

· Private foundation

The Mhe Foundation Inc

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.

$2.0M
Granted FY2025still arriving
23
Grants FY2025still arriving
5
States reached
$594k
Largest
01What you fund
0191% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172025.

Education$1.3MEnvironment$1.2MArts & Culture$1.0MHealth$425kHousing & Shelter$250kRecreation & Sports$25kAnimals$14kCivil Rights$5kOther$0
02FY2025 · 23 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k2 grants · $10k
  • $10k–50k6 grants · $154k
  • $50k–250k13 grants · $993k
  • $250k+2 grants · $845k
$50,000
Median grant
5
States reached
$21M
Total assets

Anchored by a single position — about 96% of reported assets are held in Berkshire Hathaway Class A.

Largest grants
RecipientAmount
Individual grant recipient$594,017
CHESAPEAKE CONSERVANCY$250,629
ANNE ARUNDEL MEDICAL CENTER$152,343
Individual grant recipient$103,808
HISTORIC ANNAPOLIS$102,948
MOUNT SAINT JOSEPH$102,402
CHESAPEAKE ARTS CENTER$100,720
RESOURCE LEGACY FUND$75,477
ARTS COUNCIL OF ANNE ARUNDEL COUNTY$52,500
ARCHBISIHOP SPALDING HIGH SCHOOL$52,450
ARUNDEL RIVERS FEDERATION$50,360
CHESAPEAKE BAY TRUST$50,000
AAC LIBRARY FOUNDATION$50,000
ESPERANZA EN ESCANTE$50,000
THE TALENT MACHINE COMPANY INC$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:

Dollar for dollar, your grants (FY17–25) land where the poverty rate runs at 9%, against an area that typically sits at 10%. 32% of your dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 10%ESPERANZA EN ESCANTE: $50k → 15%RESOURCE LEGACY FUND: $75k → 12%ARCHBISIHOP SPALDING HIGH SCHOOL: $52k → 6%WATERSHED STEWARDS: $104k → 11%CHESAPEAKE ARTS CENTER: $101k → 11%MOUNT SAINT JOSEPH HIGH SCHOOL: $504k → 19%ESPERANZA EN ESCANTE: $40k → 15%ARCHBISIHOP SPALDING HIGH SCHOOL: $52k → 6%WATERSHED STEWARDS: $102k → 11%CHESAPEAKE ARTS CENTER: $51k → 11%MOUNT SAINT JOSEPH: $102k → 19%ARCHBISIHOP SPALDING HIGH SCHOOL: $51k → 6%WATERSHED STEWARDS: $50k → 11%CHESAPEAKE ARTS CENTER: $25k → 11%MOUNT SAINT JOSEPH HIGH SCHOOL: $102k → 19%ARCHBISIHOP SPALDING HIGH SCHOOL: $25k → 6%WEST BALTIMORE RAVENS FOOTBALL AND CHEERLEADING ACADEMY INC: $25k → 11%MOUNT SAINT JOSEPH: $50k → 19%MOUNT SAINT JOSEPH HIGH SCHOOL: $25k → 19%CHESAPEAKE CONSERVANCY: $251k → 6%CHESAPEAKE CONSERVANCY: $201k → 6%CHESAPEAKE CONSERVANCY: $146k → 6%CHESAPEAKE CONSERVANCY: $102k → 6%CHESAPEAKE CONSERVANCY: $51k → 6%JOHNS HOPKINS: $52k → 19%CHESAPEAKE CONSERVANCY: $25k → 6%JOHNS HOPKINS KRIEGER SCHOOL: $50k → 19%MARYLAND HALL: $594k → 6%HISTORIC ANNAPOLIS: $193k → 6%ANNE ARUNDEL MEDICAL CENTER: $152k → 6%HISTORIC ANNAPOLIS: $138k → 6%HISTORIC ANNAPOLIS: $103k → 6%ANNE ARUNDEL MEDICAL CENTER: $102k → 6%ARTS COUNCIL OF ANNE ARUNDEL COUNTY: $53k → 6%THE LIGHT HOUSE: $51k → 6%MARYLAND HALL: $51k → 6%ARUNDEL RIVERS FEDERATION: $50k → 6%RESILIENCE AUTHORITY OF AA COUNTY: $50k → 6%AAC LIBRARY FOUNDATION: $50k → 6%CHESAPEAKE BAY TRUST: $50k → 6%THE LIGHT HOUSE: $49k → 6%ARTS COUNCIL OF ANNE ARUNDEL COUNTY: $44k → 6%AAC LIBRARY FOUNDATION: $40k → 6%CHESAPEAKE BAY TRUST: $25k → 6%CHESAPEAKE BAY TRUST: $25k → 6%INDIAN CREEK SCHOOL: $100k → 6%THE TALENT MACHINE COMPANY INC: $50k → 6%THE TALENT MACHINE COMPANY INC: $45k → 6%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.

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.

94%of every dollar goes to organizations you’ve funded before.
$4.9M · 22 repeat orgs$313k to everyone else

22 repeat relationships — 19 still active in FY2025, 3 since wound down; 4 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

22
5

Total granted

$4.9M
$178k

Still filing today

73%
0%

New vs renewed · share of each year

In FY2025, 93% of grant dollars renewed an existing relationship; $136k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
Arts & CultureEnvironmentHousing & ShelterHealthEducationAnimalsOther

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

  • CC
    CHESAPEAKE CONSERVANCY INC
    7× · 2019–2025 · $790k · revenue +116%
  • HA
    HISTORIC ANNAPOLIS INC
    4× · 2022–2025 · $439k · revenue +80%
  • LH
    LUMINIS HEALTH ANNE ARUNDEL MEDICAL CENTER INC
    8× · 2017–2025 · $293k · revenue +40%

Funded once

  • JH
    JOHNS HOPKINS
    one grant, 2023 · $52k
  • RA
    RESILIENCE AUTHORITY OF AA COUNTY
    one grant, 2024 · $50k
  • JH
    JOHNS HOPKINS KRIEGER SCHOOL
    one grant, 2022 · $50k

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
Center Stage Associates Inc

See schedule o.inspired by our home city, baltimore center stage acts as a cultural catalyst for all communities to access theater in every form and engage in compelling conversations. programming: capture the collective imagination and…

Arts & Culture
2
Classic Theatre of Maryland Inc

Classic Theatre of Marylands mission is to produce bold re-imagined entertaining and accessible interpretations of classical works contemporary plays and musicals with a core commitment to the works of Shakespeare and other major…

Arts & Culture
3
Chesapeake Shakespeare Company

Chesapeake shakespeare company creates community through energetic, joyful, and accessible classic theatre, bringing our art to baltimore, the state of maryland, and beyond through innovative and comprehensible productions of shakespeare…

Arts & Culture
4
Annapolis Maritime Museum Inc

The annapolis maritime museum educates youth and adults about the annapolis areas rich maritime heritage and the ecology of the chesapeake bay through programs, exhibits, and community events. continued on schedule o

5
Chesapeake Audubon Society

The chesapeake audubon society works in the maryland region to promote the stewardship of natural ecosystems through conservation, restoration, education, and advocacy.

Environment
6
Anne Arundel County Casa Inc

Advocate for and support abused and neglected children to ensure their right to safe, stable and permanent homes.

Civil Rights
7
Delaware Museum of Nature and Science Inc

The museum is an educational corporation formed to ignite a life-long passion for exploring, discovering, and valuing nature and science.

8
Chesapeake Bay Maritime Museum Inc

The mission of the chesapeake bay maritime museum cbmm is to preserve and explore the history, environment, and people of the chesapeake bay. the vision of the chesapeake bay maritime museum is to be the premier see sched o

Arts & Culture
9
Cape Ann Museum Inc

To foster an appreciation of the quality and diversity of life on cape ann, past and present; to further the knowledge and enjoyment of cape ann history and art; to collect and preserve significant information and artifacts; and to…

Arts & Culture
10
Susquehanna Heritage Corporation

As a designated national and state heritage area, susquehanna heritage corporation works to raise awareness and appreciation of the cultural and economic value of the susquehanna riverlands, and preserve, enhance and celebrate the area's…

Community Improvement
11
Chesapeake Charities Inc

The mission of chesapeake charities, inc. is to provide innovative leadership and quality services that encourage charitable giving, build community resources, and enable donors continued on schedule o

Philanthropy
12
Westminster Canterbury On Chesapeake Bay Foundation

To support the mission of westminster-canterbury on chesapeake bay

Health

For reference, the grantee most central to the portfolio’s shape is Chesapeake Bay Trust and the most unlike its peers is Luminis Health Anne Arundel Medical Center Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.

Your grantees are a median of 42 years old; the field is 18. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number20%5%<5yr15%0%5–10yr17%5%10–20yr16%27%20–35yr12%32%35–55yr20%32%55yr+
THE FIELDby orgYOUR MONEYby value20%1%<5yr15%0%5–10yr17%21%10–20yr16%18%20–35yr12%14%35–55yr20%47%55yr+

The field is 20% startups (under 5 years old) — 5% of your grantees by number, and just 1% of your money.

Closures · last 5 years

The orgs you fund almost never close 0.0% lost their exemption, against 14% of the field you don’t fund.

orgs you fund
0.0%0/22
the rest of the field
14%
1,954/14,463

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

19 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 20172025, not grant rows in a single year — so this will not match the grant count on the cover. 19 of the 31 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.

0
Load-bearing (≥25% of a budget)
4
Early backer (in before they grew)
19/19
Grantees still filing
15/19
Grew since you first funded

Where your money sits — by cause, then by grantee

Individual grant recipient — $697,590 · OtherIndividual grant recipientMOUNT SAINT JOSEPH HIGH SCHOOL INC — $662,834 · OtherMOUNT SAINT JOSEPH HIGH SCHOOL INCIndividual grant recipient — $255,314 · OtherIndividual grant recipientARCHBISHOP SPALDING HIGH SCHOOL — $210,630 · OtherARCHBISHOP SPALDING HIGH SCHOOLMOUNT SAINT JOSEPH — $152,851 · OtherMOUNT SAINT JOSEPHCHESAPEAKE BAY TRUST — $131,350 · OtherAAC LIBRARY FOUNDATION — $130,000 · Other+8 more — $237,626 · Other+8 moreCHESAPEAKE CONSERVANCY INC — $790,335 · EnvironmentCHESAPEAKE CONSERVANC…CHESAPEAKE BAY FOUNDATION INC — $89,000 · EnvironmentCHESAPEAKE BAY FOUNDA…RESOURCES LEGACY FUND — $75,477 · EnvironmentRESOURCES LEGACY FUNDARUNDEL RIVERS FEDERATION INC — $50,360 · EnvironmentHISTORIC ANNAPOLIS INC — $438,522 · Arts & CultureHISTORIC ANNAPOLIS…CHESAPEAKE ARTS CENTER INC — $176,293 · Arts & CultureCHESAPEAKE ARTS CE…THE TALENT MACHINE COMPANY INC — $152,500 · Arts & CultureTHE TALENT MACHINE…CHILDREN'S THEATRE OF ANNAPOLIS INC — $40,000 · Arts & CultureSIGNATURE THEATRE INC — $40,000 · Arts & CultureLUMINIS HEALTH ANNE ARUNDEL MEDICAL CENTER INC — $292,849 · HealthCHILDREN'S TUMOR FOUNDATION — $75,000 · HealthTHE LIGHT HOUSE INC — $140,026 · Housing & ShelterEsperanza En Escalante Inc — $110,000 · Housing & ShelterARTS COUNCIL OF ANNE ARUNDEL COUNTY INC — $116,000 · PhilanthropyINDIAN CREEK SCHOOL INC — $109,705 · EducationMARYLAND ZOOLOGICAL SOCIETY INC — $14,000 · Animals
Other$2,478,195Environment$1,005,172Arts & Culture$847,315Health$367,849Housing & Shelter$250,026Philanthropy$116,000Education$109,705Animals$14,000

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

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ your share of their budgetCHESAPEAKE CONSERVANCY INC — $790,335 over 7y, 1.8% of budgetHISTORIC ANNAPOLIS INC — $438,522 over 4y, 3.1% of budgetLUMINIS HEALTH ANNE ARUNDEL MEDICAL CENTER INC — $292,849 over 8y, 0.0% of budgetCHESAPEAKE ARTS CENTER INC — $176,293 over 3y, 7.5% of budgetTHE TALENT MACHINE COMPANY INC — $152,500 over 8y, 14% of budgetTHE LIGHT HOUSE INC — $140,026 over 7y, 0.8% of budgetCHESAPEAKE BAY TRUST — $131,350 over 8y, 0.2% of budgetARTS COUNCIL OF ANNE ARUNDEL COUNTY INC — $116,000 over 3y, 3.5% of budgetEsperanza En Escalante Inc — $110,000 over 3y, 3.1% of budgetINDIAN CREEK SCHOOL INC — $109,705 over 2y, 0.6% of budgetCHESAPEAKE BAY FOUNDATION INC — $89,000 over 9y, 0.1% of budgetCHILDREN'S TUMOR FOUNDATION — $75,000 over 9y, 0.1% of budgetARUNDEL RIVERS FEDERATION INC — $50,360 over 1y, 1.4% of budgetMARYLAND FEDERATION OF ART INC — $50,000 over 3y, 5.5% of budgetCHILDREN'S THEATRE OF ANNAPOLIS INC — $40,000 over 3y, 3.7% of budgetSIGNATURE THEATRE INC — $40,000 over 3y, 0.1% of budgetMARYLAND ZOOLOGICAL SOCIETY INC — $14,000 over 3y, 0.0% 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 CHESAPEAKE CONSERVANCY INC
  • Who funds HISTORIC ANNAPOLIS INC
  • Who funds LUMINIS HEALTH ANNE ARUNDEL MEDICAL CENTER INC
  • Who funds CHESAPEAKE ARTS CENTER INC
  • Who funds THE TALENT MACHINE COMPANY INC
  • Who funds THE LIGHT HOUSE INC
  • Who funds CHESAPEAKE BAY TRUST
  • Who funds ARTS COUNCIL OF ANNE ARUNDEL COUNTY INC
  • Who funds Esperanza En Escalante Inc
  • Who funds INDIAN CREEK SCHOOL INC
  • Who funds CHESAPEAKE BAY FOUNDATION INC
  • Who funds RESOURCES LEGACY FUND
  • Who funds CHILDREN'S TUMOR FOUNDATION
  • Who funds ARUNDEL RIVERS FEDERATION INC
  • Who funds MARYLAND FEDERATION OF ART INC
  • Who funds CHILDREN'S THEATRE OF ANNAPOLIS INC
  • Who funds SIGNATURE THEATRE INC
  • Who funds MARYLAND ZOOLOGICAL SOCIETY INC
  • Who funds HOSPICE OF THE CHESAPEAKE INC

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.

Community Foundation of Anne Arundel CoMD26× affinity10 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Community Foundation of Anne Arundel Co · The Jm Kaplan Fund Inc · T Rowe Price Program for Charitable Giving Inc · The Helena Foundation Inc · Koch Family Foundation Inc · Schuh Family Foundation Inc · Arts Council of Anne Arundel County Inc · Anne Arundel Economic Development Corporation · The United Way of Central Maryland Inc · James G Corckran II Charitable Foundation Inc · Davidsonville Ruritan Foundation Inc · The Geaton and Joann Decesaris Family Foundation Inc

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 Mhe 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
202122232425
no gov · 30%1%4%8%15%your share of their income ↑0%25%50%75%100%share of the org’s income from governmentmedian 19%
  • Chesapeake Bay Trust100% of income from government
  • Historic Annapolis Inc45% of income from government
  • Arts Council of Anne Arundel County Inc33% of income from government
  • Chesapeake Conservancy Inc27% of income from government
  • Arundel Rivers Federation Inc19% of income from government
  • Chesapeake Arts Center Inc7% of income from government
  • Maryland Zoological Society Inc3% of income from government
  • Chesapeake Bay Foundation Inc2% of income from government
  • Luminis Health Anne Arundel Medical Center Inc0% of income from government
no gov moneyreceives it· size = income
3get no government money at all
5report government grants on their 990 we could not trace to a source (not plotted)
1rely on government for over half their income
typical government reliance, FY2025

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.

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 31 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