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Plinth

· Private foundation

T W Leon M Seidel Charitable Tr

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.

$30k
Granted FY2025still arriving
11
Grants FY2025still arriving
3
States reached
$5k
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 FY20192025.

Education$74kHealth$53kReligion$19kRecreation & Sports$11kAnimals$10kArts & Culture$5k
02FY2025 · 11 grants

Where the money goes

Your grants by size, and where they go.

$3,000
Median grant
3
States reached
$590k
Total assets
Largest grants
RecipientAmount
Individual grant recipient$4,500
BORDENTOWN CITY CATS INC$4,500
AMERICAN CANCER SOCIETY INC$3,000
SHRINERS HOSPITALS FOR CHILDREN$3,000
DEBORAH HEART AND LUNG CENTER FDN$3,000
SARAH SEIDEL SISTERHOOD$3,000
Individual grant recipient$3,000
Individual grant recipient$1,500
Individual grant recipient$1,500
Individual grant recipient$1,500
Individual grant recipient$1,500
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 (FY19–25) land where the poverty rate runs at 9%, against an area that typically sits at 9%. 41% of your dollars go to grantees based in above-average-need neighborhoods. Your grants spread fairly evenly across need levels.

area typical 9%SHRINERS HOSPITALS FOR CHILDREN: $3k → 13%SHREYA MANAK CO SARAH SEIDEL AWARD: $2k → 15%SHRINERS HOSPITAL FOR CHILDREN: $400 → 8%AMERICAN CANCER SOCIETY INC: $3k → 13%BraveHoods: $2k → 12%DEBORAH HEART AND LUNG CENTER FDN: $3k → 7%BORDENTOWN REGIONAL HIGH SCHOOL BAND BOO: $5k → 11%SHRINERS HOSPITALS FOR CHILDREN: $3k → 13%SAMEER SHARMA CO LEON SEIDEL AWARD: $1k → 15%AMERICAN CANCER SOCIETY INC: $3k → 13%DEBORAH HEART AND LUNG CENTER FDN: $3k → 7%DEBORAH HEART AND LUNG CENTER: $1k → 11%SHRINERS HOSPITALS FOR CHILDREN: $3k → 13%TYLER GENTRY CO LEON SEIDEL AWARD: $1k → 15%AMERICAN CANCER SOCIETY INC: $3k → 13%DEBORAH HEART AND LUNG CENTER FDN: $3k → 7%SHRINERS HOSPITALS FOR CHILDREN: $3k → 13%NICHOLAS EIFFERT CO EDWARD SEIDEL AWARD: $1k → 15%AMERICAN CANCER SOCIETY INC: $3k → 13%DEBORAH HEART AND LUNG CENTER FDN: $3k → 7%SHRINERS HOSPITALS FOR CHILDREN: $2k → 13%YVONNE ADJEI CO LEON SEIDEL AWARD: $1k → 15%AMERICAN CANCER SOCIETY INC: $2k → 13%DEBORAH HEART AND LUNG CENTER FDN: $2k → 7%SHRINERS HOSPITALS FOR CHILDREN: $2k → 13%AMERICAN CANCER SOCIETY INC: $2k → 13%DEBORAH HEART AND LUNG CENTER FDN: $2k → 7%SHRINERS HOSPITALS FOR CHILDREN: $1k → 13%AMERICAN CANCER SOCIETY INC: $1k → 13%BORDENTOWN REGIONAL SCHOOL DISTRICE: $5k → 7%BORDENTOWN REGIONAL HIGH SCHOOL: $5k → 7%ADDISON KENNEDY: $5k → 7%BORDENTOWN CITY CATS INC: $5k → 7%SARAH SEIDEL SISTERHOOD: $3k → 7%SARAH SEIDEL SISTERHOOD: $3k → 7%HOPE HOSE HUMANE COMPANY: $3k → 7%SARAH SEIDEL SISTERHOOD: $3k → 7%AJAY DONTHULA: $3k → 7%SARAH SEIDEL SISTERHOOD: $3k → 7%SARAH SEIDEL SISTERHOOD: $3k → 7%HOPE HOSE HUMANE COMPANY: $2k → 7%SARAH SEIDEL SISTERHOOD: $2k → 7%AMELIE DELA CRUZ: $2k → 7%HUNTER ZHANG: $2k → 7%JAYDEN MAIGUE: $2k → 7%FAMIMORA OLORUNNISOLA: $2k → 7%SARAH SEIDEL SISTERHOOD: $1k → 7%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.

58%of every dollar goes to organizations you’ve funded before.
$99k · 11 repeat orgs$71k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +126% since the first grant, against +13% for the ones you funded once.

11 repeat relationships — 10 still active in FY2025, 1 since wound down; 1 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

11
34

Total granted

$99k
$67k

Median revenue growth · since first grant

+126%
+13%

Still filing today

18%
3%

New vs renewed · share of each year

In FY2025, 85% of grant dollars renewed an existing relationship; $5k 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
HealthAnimalsOther

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

  • SS
    SARAH SEIDEL SISTERHOOD
    7× · 2019–2025 · $19k
  • AC
    AMERICAN CANCER SOCIETY INC
    7× · 2019–2025 · $17k · revenue -81%
  • SHRINERS HOSPITALS FOR CHILDREN
    7× · 2019–2025 · $17k · revenue +126%

Funded once

  • TD
    THE DORA SAGRAN MEMORIAL SCHOLARSHIP
    one grant, 2019 · $5k
  • BR
    BORDENTOWN REGIONAL HIGH SCHOOL BAND BOO
    one grant, 2023 · $5k
  • IG
    Individual grant recipient
    one grant, 2023 · $5k

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

04Your field
04the grantee network

5 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. 5 of the 46 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)
0
Early backer (in before they grew)
4/5
Grantees still filing
2/5
Grew since you first funded

Where your money sits — by cause, then by grantee

SARAH SEIDEL SISTERHOOD — $18,500 · OtherSARAH SEIDEL SISTERHOODDEBORAH HEART AND LUNG CENTER FDN — $15,900 · OtherDEBORAH HEART AND LUNG CENTER FDNIndividual grant recipient — $6,000 · OtherIndividual grant recipient — $6,000 · OtherHOPE HOSE HUMANE COMPANY — $5,250 · OtherTHE DORA SAGRAN MEMORIAL SCHOLARSHIP — $4,950 · OtherBORDENTOWN REGIONAL HIGH SCHOOL BAND BOO — $4,800 · OtherIndividual grant recipient — $4,800 · OtherBORDENTOWN REGIONAL SCHOOL DISTRICE — $4,800 · OtherBORDENTOWN REGIONAL HIGH SCHOOL — $4,500 · OtherIndividual grant recipient — $4,500 · Other+31 more — $50,800 · Other+31 moreAMERICAN CANCER SOCIETY INC — $17,010 · HealthAMERICAN CANCER SOCIETY…SHRINERS HOSPITALS FOR CHILDREN — $16,600 · HealthSHRINERS HOSPITALS FOR …+1 more — $1,100 · HealthBORDENTOWN CITY CATS INC — $4,500 · Animals
Other$130,800Health$34,710Animals$4,500

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 budgetAMERICAN CANCER SOCIETY INC — $17,010 over 7y, 0.0% of budgetSHRINERS HOSPITALS FOR CHILDREN — $16,600 over 7y, 0.0% of budgetBORDENTOWN CITY CATS INC — $4,500 over 1y, 6.2% of budgetBRAVEHOODS — $1,650 over 1y, 2.3% of budgetDEBORAH HEART AND LUNG CENTER — $1,100 over 1y, 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 AMERICAN CANCER SOCIETY INC
  • Who funds SHRINERS HOSPITALS FOR CHILDREN
  • Who funds BORDENTOWN CITY CATS INC
  • Who funds BRAVEHOODS
  • Who funds DEBORAH HEART AND LUNG CENTER

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 set of overlaps that mostly run through you, not between each other.

Amazonsmile FoundationWA3.3× affinity4 shared granteesties to 0 of 0Hover any node to trace its alignments.Compare side by side →

Open a dossier: 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 T W Leon M Seidel Charitable Tr 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 · 10%1%3%6%10%your share of their income ↑0%1%3%4%5%share of the org’s income from governmentmedian 1%
  • Deborah Heart and Lung Center1% of income from government
  • Shriners Hospitals for Children0% of income from government
no gov moneyreceives it· size = income
1get no government money at all
0rely on government for over half their income
⤢ axis zoomed · 0–5%
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 46 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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