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Plinth

· Private foundation

Dr Stuart Dittmar and Winifred Dittmar Memor

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
2
Grants FY2025still arriving
1
States reached
$25k
Largest
01What you fund
01100% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20202025.

Health$108kEducation$65kEmployment$27kPublic Safety & Disaster$25k
02FY2025 · 2 grants

Where the money goes

Your grants by size, and where they go.

$25,000
Median grant
1
States reached
$743k
Total assets
Largest grants
RecipientAmount
CARLISLE AREA HEALTHCARE AUXILIARY INC$25,000
FULTON COUNTY MEDICAL CENTER FOUNDATION$11,253
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 (FY20–25) land where the poverty rate runs at 9%, against an area that typically sits at 7%. 100% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 7%SHIPPENSBURG UNIVERSITY FOUNDATION: $25k → 8%WILSON COLLEGE: $40k → 9%FULTON COUNTY MEDICAL CENTER: $15k → 11%AMERICAN RED CROSS: $20k → 11%CARLISLE AREA HEALTHCARE AUXILIARY INC: $25k → 8%LEAH'S LEGACY: $7k → 9%FULTON COUNTY MEDICAL CENTER FOUNDATION: $11k → 11%CARLISLE AREA HEALTHCARE AUXILIARY INC: $25k → 8%FRANKLIN COUNTY CAREER & TECH: $27k → 9%Rescue Hose Company No 1 of Greencastle: $5k → 9%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 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
Upmc Pinnacle Hospitals

Upmc pinnacle hospitals mission as a charitable organization is dedicatied to maintaining and improving the health and quality of life for all persons of the central pennsylvania area.

Health
2
Upmc Group

Healthcare, education, and research

3
Upmc Carlisle

Upmc carlisle's mission is to serve the community by providing access to outstanding patient care and to shape tomorrow's health care system through clinical and technological innovation, research and education.

Health
4
Upmc Williamsport

UPMC Williamsport is a subsidiary of UPMC Susquehanna. The mission of UPMC Susquehanna and its subsidiaries is to serve the community by providing outstanding patient care and shaping tomorrow's health care through clinical and…

Health
5
Upmc Pinnacle Lancaster

Upmc lancaster's mission while in operation as a charitable organization was dedicated to maintaining and improving the health and quality of life for all persons of the central pennsylvania area.

Health
6
Thomas Jefferson University

Thomas jefferson university ("tju") is a comprehensive university with preeminence in transdisciplinary, experiential professional education, research and discovery, delivering exceptional value for the 21st century students with…

Education
7
Upmc

Support of subsidiary tax-exempt healthcare, education and research organizations (see schedule o)

Health
8
Pinnacle Health Medical Services

Pinnacle health medical services is a charitable organization dedicated to maintaining and improving the health and quality of life for all the people of central pennsylvania by providing primary, clinic, family and specialty physician…

Health
9
Upmc Pinnacle

Upmc pinnacle (a.k.a., upmc in central pa.) is a division of upmc. upmc is a world-renowned nonprofit health care provider and insurer with 100,000 employees-including more than 5,000 physicians-caring for patients across more than 40…

Health
10
Upmc Muncy

Muncy Valley Hospital is a subsidiary of the exempt entity UPMC Susquehanna. The mission of UPMC Susquehanna and its subsidiaries is to serve the community by providing outstanding patient care and shaping tomorrow's health care through…

Health
11
Roane County Medical Center

Roane County Medical Center provides quality healthcare, in alignment with Covenant Health's mission to serve the community by improving the quality of life through better health, regardless of a patient's ability to pay.

Health
12
Highmark Health Group

Working as an integrated system within highmark health, employees at all of ahn's care sites, including hospitals, health + wellness pavilions, primary and specialty care offices and more, are committed to improving health and promoting…

For reference, the grantee most central to the portfolio’s shape is Upmc Pinnacle Foundation and the most unlike its peers is Leahs Legacy. 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 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. 8 of the 10 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)
1
Early backer (in before they grew)
8/8
Grantees still filing
2/8
Grew since you first funded

Where your money sits — by cause, then by grantee

CARLISLE AREA HEALTHCARE AUXILIARY — $50,000 · HealthCARLISLE AREA HEALTHCARE AUXILIARYUPMC PINNACLE FOUNDATION — $25,000 · HealthUPMC PINNACLE FOUNDATIONFulton County Medical Center — $14,770 · HealthFulton County Medical CenterFulton County Med Ctr Foundation — $11,253 · HealthFulton County Med Ctr FoundationWILSON COLLEGE — $40,000 · EducationWILSON COLLEGESHIPPENSBURG UNIVERSITY FOUNDATION — $25,000 · EducationSHIPPENSBURG UNIVERSITY FOUNDATI…FRANKLIN COUNTY CAREER & TECH — $27,000 · OtherFRANKLIN COUNTY CAREER …AMERICAN RED CROSS — $20,000 · OtherAMERICAN RED CROSSLEAHS LEGACY — $6,500 · PhilanthropyRESCUE HOSE COMPANY NO 1 OF GREENCASTLE PA — $5,000 · Public Safety & Disaster
Health$101,023Education$65,000Other$47,000Philanthropy$6,500Public Safety & Disaster$5,000

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

25%50%75%100%$1.0M$10Mgrantee revenue →↑ your share of their budgetWILSON COLLEGE — $40,000 over 1y, 0.1% of budgetUPMC PINNACLE FOUNDATION — $25,000 over 1y, 0.1% of budgetSHIPPENSBURG UNIVERSITY FOUNDATION — $25,000 over 1y, 0.2% of budgetFulton County Medical Center — $14,770 over 1y, 0.0% of budgetFulton County Med Ctr Foundation — $11,253 over 1y, 0.5% of budgetLEAHS LEGACY — $6,500 over 1y, 6.3% of budgetRESCUE HOSE COMPANY NO 1 OF GREENCASTLE PA — $5,000 over 1y, 0.3% 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.

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.

American Online Giving Foundation IncDE6.2× affinity4 shared granteesties to 2 of 2Hover any node to trace its alignments.Compare side by side →

Open a dossier: American Online Giving Foundation Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile 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 Dr Stuart Dittmar and Winifred Dittmar Memor 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 or a single department — and drag the year to watch it move.

2023
202122232425
no gov · 00%6%25%56%100%your 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, 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 10 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

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