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Plinth

· Private foundation

Norman K Probstein Charitable Foundation Inc

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.

$10k
Granted FY2024still arriving
3
Grants FY2024still arriving
1
States reached
$4k
Largest
01What you fund
0187% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20172024.

Arts & Culture$101kRecreation & Sports$17kHealth$17kPhilanthropy$13kEducation$8kYouth Development$6kAnimals$5kCivil Rights$3kOther$0
02FY2024 · 3 grants

Where the money goes

Your grants by size, and where they go.

$3,000
Median grant
1
States reached
$138k
Total assets
Largest grants
RecipientAmount
Individual grant recipient$4,000
ELLIS FISCHEL SUMMER GALA$3,000
FOREST PARK FOREVER$2,500
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 (FY17–24) land where the poverty rate runs at 18%, against an area that typically sits at 12%. 75% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 12%PLANNED PARENTHOOD FEDERATION OF AMERICA: $3k → 17%LAUMEIER SCULPTURE PARK: $5k → 11%ELLIS FISCHEL SUMMER GALA: $3k → 13%THE SCHOLARSHIP FUND OF ST LOUIS: $500 → 21%ST JUDE CHILDREN'S RESEARCH HOSPITAL: $250 → 17%JOHN BURROUGHS: $4k → 11%ELLIS FISCHEL SUMMER GALA: $3k → 13%CLOWDER HOUSE FOUNDATION INC: $5k → 21%JOHN BURROUGHS: $4k → 11%FOREST PARK FOREVER: $5k → 21%JEWISH FOUNDATION OF ST LOUIS: $3k → 11%FOREST PARK FOREVER: $3k → 21%JOHN BURROUGHS: $3k → 11%FOREST PARK FOREVER: $3k → 21%JEWISH FOUNDATION OF ST LOUIS: $2k → 11%FOREST PARK FOREVER: $3k → 21%JOHN BURROUGHS: $2k → 11%FOREST PARK FOREVER: $3k → 21%JEWISH FOUNDATION OF ST LOUIS: $2k → 11%FOREST PARK FOREVER: $1k → 21%JOHN BURROUGHS: $2k → 11%FOREST PARK FOREVER: $1k → 21%JEWISH FOUNDATION OF ST LOUIS: $2k → 11%CONTEMPORARY ART MUSEUM: $20k → 21%JOHN BURROUGHS: $2k → 11%ST LOUIS ART MUSEUM: $5k → 21%JEWISH FOUNDATION OF ST LOUIS: $2k → 11%CONTEMPORARY ART MUSEUM: $18k → 21%LADUE HORTON WATKINS HIGH SCHOOL: $2k → 11%ST LOUIS ART MUSEUM: $3k → 21%JEWISH FOUNDATION OF ST LOUIS: $2k → 11%CONTEMPORARY ART MUSEUM: $16k → 21%JOHN BURROUGHS: $1k → 11%ST LOUIS ART MUSEUM: $2k → 21%WEBSTER UNIVERSITY: $5k → 11%CONTEMPORARY ART MUSEUM: $15k → 21%CRAFT ALLIANCE CENTER OF ART & DESIGN: $250 → 11%ST LOUIS ART MUSEUM: $2k → 21%CONTEMPORARY ART MUSEUM: $8k → 21%ST LOUIS ART MUSEUM: $2k → 21%CONTEMPORARY ART MUSEUM: $5k → 21%ST LOUIS ART MUSEUM: $2k → 21%PEDAL THE CAUSE ST LOUIS: $1k → 21%PEDAL THE CAUSE ST LOUIS: $1k → 21%PEDAL THE CAUSE ST LOUIS: $500 → 21%ST LOUIS ARTS AND EDUCATION COUNCIL: $500 → 21%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.

88%of every dollar goes to organizations you’ve funded before.
$165k · 9 repeat orgs$22k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +154% since the first grant, against +12% for the ones you funded once.

9 repeat relationships — 3 still active in FY2024, 6 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

9
9

Total granted

$165k
$22k

Median revenue growth · since first grant

+154%
+12%

Still filing today

22%
56%

New vs renewed · share of each year

In FY2024, 100% of grant dollars renewed an existing relationship; $0 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 & CultureHealthAnimalsEnvironmentEducationOther

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

  • CA
    CONTEMPORARY ART MUSEUM ST LOUIS
    6× · 2017–2023 · $82k · revenue +36%
  • IG
    Individual grant recipient
    7× · 2017–2024 · $18k
  • FP
    Forest Park Forever Inc
    7× · 2018–2024 · $17k · revenue +154%

Funded once

  • LS
    LAUMEIER SCULPTURE PARK
    one grant, 2017 · $5k · revenue +9%
  • WU
    Webster Universitygraduated
    one grant, 2023 · $5k · revenue +31%
  • CH
    CLOWDER HOUSE FOUNDATION INC
    one grant, 2017 · $5k · revenue -27%

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

7 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. 7 of the 18 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)
7/7
Grantees still filing
6/7
Grew since you first funded

Where your money sits — by cause, then by grantee

CONTEMPORARY ART MUSEUM ST LOUIS — $81,500 · Arts & CultureCONTEMPORARY ART MUSEUM ST LOUISLAUMEIER SCULPTURE PARK — $5,000 · Arts & CultureLAUMEIER SCULPTURE PARKIndividual grant recipient — $18,000 · OtherIndividual grant recipientST LOUIS ART MUSEUM — $14,000 · OtherST LOUIS ART MUSEUMJEWISH FOUNDATION OF ST LOUIS — $12,500 · OtherJEWISH FOUNDATION OF ST LOUISCURATORS OF THE UNIVERSITY OF MISSOURI — $7,500 · OtherCURATORS OF THE UNIVERSITY OF MISSOURIELLIS FISCHEL SUMMER GALA — $6,000 · OtherELLIS FISCHEL SUMMER GALAELLIS FITCHEL CANCER CENTER — $6,000 · OtherELLIS FITCHEL CANCER CENTERPEDAL THE CAUSE ST LOUIS — $2,800 · Other+4 more — $3,250 · OtherForest Park Forever Inc — $17,000 · EnvironmentForest Par…Webster University — $5,000 · EducationCLOWDER HOUSE FOUNDATION INC — $5,000 · AnimalsPLANNED PARENTHOOD FEDERATION OF AMERICA INC — $3,000 · HealthST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $250 · Health
Arts & Culture$86,500Other$70,050Environment$17,000Education$5,000Animals$5,000Health$3,250

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 budgetCONTEMPORARY ART MUSEUM ST LOUIS — $81,500 over 6y, 0.8% of budgetForest Park Forever Inc — $17,000 over 7y, 0.0% of budgetLAUMEIER SCULPTURE PARK — $5,000 over 1y, 0.3% of budgetWebster University — $5,000 over 1y, 0.0% of budgetCLOWDER HOUSE FOUNDATION INC — $5,000 over 1y, 3.3% of budgetPLANNED PARENTHOOD FEDERATION OF AMERICA INC — $3,000 over 1y, 0.0% of budgetST JUDE CHILDREN'S RESEARCH HOSPITAL INC — $250 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 CONTEMPORARY ART MUSEUM ST LOUIS
  • Who funds Forest Park Forever Inc
  • Who funds LAUMEIER SCULPTURE PARK
  • Who funds Webster University
  • Who funds CLOWDER HOUSE FOUNDATION INC
  • Who funds PLANNED PARENTHOOD FEDERATION OF AMERICA INC
  • Who funds ST JUDE CHILDREN'S RESEARCH HOSPITAL INC

Government reliance of your grantees

Every dot is one organization Norman K Probstein Charitable 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 or a single department — and drag the year to watch it move.

2024
202122232425
no gov · 00%0%1%3%5%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
    1report 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 18 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 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

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