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Plinth

· Private foundation

Langholz Family 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.

$48k
Granted FY2025still arriving
15
Grants FY2025still arriving
5
States reached
$18k
Largest
01What you fund
0195% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20212025.

Education$109kFood & Nutrition$71kReligion$52kPhilanthropy$27kCrime & Legal$14kAnimals$13kArts & Culture$5kHealth$2kOther$0
02FY2025 · 15 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k13 grants · $20k
  • $10k–50k2 grants · $28k
$1,000
Median grant
5
States reached
$840k
Total assets
Largest grants
RecipientAmount
DESERT COMMUNITY FOUNDATION$17,500
PEPPERDINE UNIVERSITY$10,000
TOWN & COUNTRY SCHOOL$7,200
ACADEMY OF NUTRITION & DIETETICS$3,000
THE LAWRENCEVILLE SCHOOL$2,000
UNIVERSITY OF TULSA$2,000
CHILDRENS HOSPITAL ST FRANCIS$1,000
KIRK OF THE HILLS$1,000
SAINT GEORGE ORTHODOX CHURCH$800
PHILBROOK MUSEUM OF ART$800
TULSA ZOO$775
SKIATOOK PAWS AND CLAWS RESCUE$500
PUPPY HAVEN RESCUE$500
MEALS ON WHEELS$500
AUSTIN CHILDRENS MUSEUM$200
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 (FY22–22, $1k) land where the poverty rate runs at 15%, against an area that typically sits at 11%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 11%CLAREHOUSE: $1k → 15%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.

84%of every dollar goes to organizations you’ve funded before.
$228k · 10 repeat orgs$43k to everyone else

10 repeat relationships — 9 still active in FY2025, 1 since wound down; 5 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

10
11

Total granted

$228k
$33k

Median revenue growth · since first grant

+6%
+20%

Still filing today

70%
36%

New vs renewed · share of each year

In FY2025, 67% of grant dollars renewed an existing relationship; $10k went to new ones.

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

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

’21’22’23’24’25
EducationArts & CultureAnimalsHuman ServicesFood & NutritionOther

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

  • PU
    PEPPERDINE UNIVERSITY
    5× · 2021–2025 · $70k · revenue +4%
  • AO
    ACADEMY OF NUTRITION AND DIETETICS
    4× · 2021–2025 · $70k · revenue +4%
  • The University of Tulsa
    5× · 2021–2025 · $17k · revenue +6%

Funded once

  • CS
    CARUSO SCHOOL OF LAW - PEPPERDINE UNIVERSITY
    one grant, 2024 · $14k
  • SM
    SAINT MICHAEL AND ALL ANGELS
    one grant, 2023 · $9k
  • IG
    Individual grant recipient
    one grant, 2021 · $4k

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
Tulsa Legacy Charter School

To prepare students for college through a rigorous arts infused program.

Education
2
Tulsa Regional Chamber (Fka Metropolitan Tulsa Chamber of Commerce)

The tulsa regional chamber transforms the tulsa region by attracting and retaining employers, talent and tourism for long-term prosperity.

3
Tulsa Area United Way

The tulsa area united way unites people and resources to improve lives and strengthen our communities.

4
Museum of Arts and Design

To collect, display and interpret objects in craft art and design.

Arts & Culture
5
Tulsa Zoo Management Inc

Connecting, caring, advocating for wildlife, people, and wild places.

Animals
6
Oklahoma Hall of Fame

The oklahoma hall of fame preserves oklahomas unique history while promoting pride in our great state through each of its programs and the gaylord-pickens museum. the association honors our states rich tradition by telling oklahomas story…

Arts & Culture
7
Oklahoma Council of Public Affairs Inc

To promote the flourishing of the people of oklahoma by advancing principles and policies that support free enterprise, limited government, personal responsibility, and individual initiative.

Public Safety & Disaster
8
Tulsa Honor Academy Inc

The operation of a public charter school in the tulsa area with the mission to equip all scholars with the academic skills, content knowledge, and ethical character required for college graduation and life success.

Education
9
University of the Ozarks

True to our christian heritage, we prepare students from diverse religious, cultural, educational and economic backgrounds to live life fully.

Education
10
Dallas International University

As a christian university, we provide education and research opportunities preparing global leaders to partner with local communities.

Education
11
Oklahoma Educational Memorial Trust Fdn

Providing, maintaining and issuing scholarships to eligible nominees or applicants for admission to college or for contributions to regularly maintained scholarship funds of other federal tax exempt colleges and universities with an…

Education
12
Academy of Television Arts and Sciences

The Television Academy is dedicated to celebrating excellence, innovation and the advancement of the telecommunications arts and sciences through recognition, education and leadership, while fostering a diverse, inclusive and accessible…

For reference, the grantee most central to the portfolio’s shape is The University of Tulsa and the most unlike its peers is Puppy Haven Rescue Inc. 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

15 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. 15 of the 28 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)
15/15
Grantees still filing
13/15
Grew since you first funded

Where your money sits — by cause, then by grantee

ACADEMY OF NUTRITION AND DIETETICS — $70,000 · OtherACADEMY OF NUTRITION AND DIETETICSFIRST PRESBYTERIAN CHURCH — $35,500 · OtherFIRST PRESBYTERIAN CHURCHCARUSO SCHOOL OF LAW - PEPPERDINE UNIVERSITY — $13,500 · OtherCARUSO SCHOOL OF LAW - PEPPERDINE UNIVERSITYSAINT MICHAEL AND ALL ANGELS — $8,500 · OtherSAINT MICHAEL AND ALL ANGELSThe Town & Country School Inc — $7,200 · OtherTULSA ZOO — $7,106 · OtherKIRK OF THE HILLS — $7,000 · Other+8 more — $10,175 · Other+8 morePEPPERDINE UNIVERSITY — $70,000 · EducationPEPPERDINE UNIVERSITYThe University of Tulsa — $17,000 · EducationThe University of TulsaTRUSTEES OF THE LAWRENCEVILLE SCHOOL — $14,000 · EducationTRUSTEES OF THE LAWRENCEVILLE SCHOOL+1 more — $833 · EducationDESERT COMMUNITY FOUNDATION — $25,500 · PhilanthropyDESERT COM…TULSA COMMUNITY FOUNDATION — $1,000 · PhilanthropyTHE PHILBROOK MUSEUM OF ART INC — $3,400 · Arts & CultureTULSA CHILDREN'S MUSEUM INC — $1,000 · Arts & CultureAUSTIN CHILDREN'S MUSEUM — $360 · Arts & CulturePUPPY HAVEN RESCUE INC — $4,000 · AnimalsOKLAHOMA AQUARIUM FOUNDATION — $290 · AnimalsClarehouse Inc — $1,000 · Human ServicesMeals on Wheels of Norman Inc — $500 · Food & Nutrition
Other$158,981Education$101,833Philanthropy$26,500Arts & Culture$4,760Animals$4,290Human Services$1,000Food & Nutrition$500

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 budgetPEPPERDINE UNIVERSITY — $70,000 over 5y, 0.0% of budgetACADEMY OF NUTRITION AND DIETETICS — $70,000 over 4y, 0.1% of budgetDESERT COMMUNITY FOUNDATION — $25,500 over 3y, 0.1% of budgetThe University of Tulsa — $17,000 over 5y, 0.0% of budgetTRUSTEES OF THE LAWRENCEVILLE SCHOOL — $14,000 over 4y, 0.0% of budgetPUPPY HAVEN RESCUE INC — $4,000 over 4y, 0.4% of budgetTHE PHILBROOK MUSEUM OF ART INC — $3,400 over 4y, 0.0% of budgetTULSA CHILDREN'S MUSEUM INC — $1,000 over 1y, 0.0% of budgetClarehouse Inc — $1,000 over 1y, 0.1% of budgetTULSA COMMUNITY FOUNDATION — $1,000 over 1y, 0.0% of budgetSTREET SCHOOL INC — $833 over 1y, 0.0% of budgetAUSTIN CHILDREN'S MUSEUM — $360 over 2y, 0.0% of budgetOKLAHOMA AQUARIUM FOUNDATION — $290 over 1y, 0.1% 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 PEPPERDINE UNIVERSITY
  • Who funds ACADEMY OF NUTRITION AND DIETETICS
  • Who funds DESERT COMMUNITY FOUNDATION
  • Who funds The University of Tulsa
  • Who funds TRUSTEES OF THE LAWRENCEVILLE SCHOOL
  • Who funds The Town & Country School Inc
  • Who funds PUPPY HAVEN RESCUE INC
  • Who funds THE PHILBROOK MUSEUM OF ART INC
  • Who funds TULSA CHILDREN'S MUSEUM INC
  • Who funds Clarehouse Inc
  • Who funds TULSA COMMUNITY FOUNDATION
  • Who funds STREET SCHOOL INC
  • Who funds Meals on Wheels of Norman Inc
  • Who funds AUSTIN CHILDREN'S MUSEUM
  • Who funds OKLAHOMA AQUARIUM FOUNDATION

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.

The Anne and Henry Zarrow FoundationOK19.8× affinity7 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Anne and Henry Zarrow Foundation · Tulsa Community Foundation · Grace & Franklin Bernsen Foundation · Flint Family Foundation · Hille Family Charitable Foundation · Coretz Family Foundation · The Gelvin Foundation · Maxine and Jack Zarrow Family Foundation · The Hardesty Family Foundation Inc · George Kaiser Family Foundation · The Charles & Marion Weber Foundation · Kathleen Patton Westby 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 Langholz Family 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 · 50%0%1%3%5%your share of their income ↑0%4%8%11%15%share of the org’s income from governmentmedian 5%
  • Tulsa Community Foundation11% of income from government
  • The University of Tulsa5% of income from government
  • The Philbrook Museum of Art Inc4% of income from government
no gov moneyreceives it· size = income
5get 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 28 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