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Plinth

· Private foundation

Robert W Knox & Pearl Wallis Knox Charitable

Its FY2025 filing reports that it accepted unsolicited grant applications.

$306k
Granted FY2025still arriving
26
Grants FY2025still arriving
1
States reached
$25k
Largest
01What you fund
0199% classified

What you funded, over time

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

Human Services$449kHealth$409kAnimals$279kYouth Development$170kEducation$95kHousing & Shelter$95kFood & Nutrition$83kArts & Culture$70kOther$0
02FY2025 · 26 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k3 grants · $14k
  • $10k–50k23 grants · $292k
$10,000
Median grant
1
States reached
$5.7M
Total assets
Largest grants
RecipientAmount
BOYS & GIRLS CLUB OF GREATER HOUSTON$25,000
BIG BROTHERS BIG SISTERS LONE STAR$25,000
KERRVILLE PETS ALIVE$20,000
CENTER FOR HEARING & SPEECH FOUNDATION$15,000
CATHOLIC FAMILY SERVICE INC$15,000
SAN JOSE CLINIC$15,000
AUSTIN PETS ALIVE$15,000
SoleAna STABLES$12,000
THE MENINGER CLINIC FOUNDATION$10,000
KIDS' MEALS INC$10,000
AUTISM TREATMENT CENTER INC$10,000
INSPIRATION RANCH INC$10,000
FAMILY SERVICE CENTER$10,000
WESLEY COMMUNITY CENTER INC$10,000
ETOSHA RESCUE & ADOPTION CENTER$10,000
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:

Your human-services grants (FY17–25, $352k) land where the poverty rate runs at 15%, against an area that typically sits at 11%. 82% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 11%COMMUNITY ALLIANCE AGAINST FAMILY ABUSE: $10k → 11%INSPIRATION RANCH INC: $10k → 9%BENEVOLENT HOUSE CHILD PLACING AGENCY: $5k → 9%SoleAna STABLES: $12k → 10%GLADNEY CENTER FOR ADOPTION: $3k → 11%THE CHILDREN'S SHELTER: $10k → 16%STREET GRACE: $15k → 9%TEXAS NEW COMMUNITY ALLIANCE: $10k → 9%PRESBYTERIAN CHILDRENS HOMES & SERVICES: $10k → 10%NEMEHIAH CENTER INC: $10k → 16%BOYSVILLE INC: $10k → 16%RESPITE CARE OF SAN ANTONIO INC: $10k → 16%WESLEY COMMUNITY CENTER INC: $10k → 16%BUCKNER CHILDREN & FAMILY SERVICES: $10k → 14%AFTER MILITARY SERVICE: $10k → 16%THE WOMEN'S HOME: $20k → 16%COVENANT HOUSE TEXAS: $15k → 16%CATHOLIC CHARITIES OF THE ARCHDIOCESE OF: $10k → 16%COVENANT HOUSE TEXAS: $10k → 16%COVENANT HOUSE TEXAS: $10k → 16%THE WOMEN'S HOME: $5k → 16%SPAULDING FOR CHILDREN: $15k → 16%SPAULDING FOR CHILDREN: $10k → 16%SPAULDING FOR CHILDREN: $10k → 16%BOYS & GIRLS COUNTRY OF HOUSTON INC: $10k → 16%BOYS & GIRLS COUNTRY OF HOUSTON INC: $10k → 16%BAKER RIPLEY: $10k → 16%MEMORIAL ASSISTANCE MINISTRIES INC: $10k → 16%FURNITURE BANK: $10k → 16%REACH UNLIMITED INC: $5k → 16%NORTHWEST ASSISTANCE MINISTRIES: $10k → 16%ADAM MCCAULEY FAMILY CANCER FOUNDATION: $6k → 16%KIDS' MEALS INC: $10k → 16%KID'S MEALS INC: $10k → 16%COMMUNITY FAMILY CENTERS: $10k → 16%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.

Which US states your grants reach

ND
IL
NY
CO
AZ
GA
TX
FL

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.

44%of every dollar goes to organizations you’ve funded before.
$809k · 32 repeat orgs$1.0M to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +25% since the first grant, against +15% for the ones you funded once.

32 repeat relationships — 11 still active in FY2025, 21 since wound down; 15 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

32
85

Total granted

$809k
$848k

Median revenue growth · since first grant

+25%
+15%

Still filing today

91%
74%

New vs renewed · share of each year

In FY2025, 46% of grant dollars renewed an existing relationship; $166k went to new ones.

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

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

’17’20’21’22’23’24’25
Human ServicesAnimalsEducationHealthArts & CultureYouth DevelopmentOther

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

  • BB
    BIG BROTHERS BIG SISTERS LONE STAR
    3× · 2021–2025 · $65k · revenue +69%
  • The Houston Food Bank
    3× · 2020–2024 · $43k · revenue +36%
  • HH
    Houston Hospice
    3× · 2020–2024 · $40k · revenue +5%

Funded once

  • FB
    FURNITURE BANK HOUSTON
    one grant, 2023 · $30k
  • MT
    Miller Theatre Advisory Board Incgraduated
    one grant, 2021 · $20k · revenue +142%
  • TB
    THE BRIDGE OVER TROUBLED WATERS INC
    one grant, 2021 · $20k · revenue -14%

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
Family Service Center of Houston and Harris County

The mission of Family Service Center of Houston and Harris County (Family Houston) is to create a stronger community for tomorrow by helping individuals and families meet the challenges they face today. We help others help themselves.

Human Services
2
LifeHouse of Houston Inc

LifeHouse is a Christ-centered ministry ensuring life for unborn children by providing opportunities for housing, help, and hope for young women during their pregnancies and beyond.

3
Laurels House

Laurel's House strengthens the human animal bond improves public health decreases the number of companion animal euthanasia due to overpopulation and diminishes human impact on native wildlife species by providing unprecedented access to…

4
Houston Pets Alive

Houston Pets Alive!s (HPA!) mission is to save the lives of at-risk companion cats and dogs and find them loving homes.

Animals
5
Central Texas Children's Home

To provide family services and to provide residential child care for dependent children where there is a need to assist children and families disrupted by problems.

Human Services
6
Rebuilding Together Houston

Rebuilding Together Houston is the only organization in Houston and Harris County providing free home repairs to hundreds of families each year. We employ licensed contractors to restore homes to safe, livable conditions, extending each…

Housing & Shelter
7
Central Texas Spca

Rescue neglected, unwanted homeless dogs and cats nurture and provide shelter until they are placed with a forever family strive to reduce animal overpopulation prevent cruelty to animals teach responsible pet ownership through an outreach…

Animals
8
Fostering Family

Fostering family dba the riverside project is a 501(c)(3) public charity that on behalf of houston's children and their families, brings together organizations and passionate people working as one to help families heal and children thrive.

Community Improvement
9
Humane Society of Harris County

Humane Society of Harris County's mission remains steadfast: to provide high-quality adoption, transport, foster, Trap, neuter, release, and pet food pantry services to our community. Yet, with a fresh perspective and a renewed passion,…

10
Spca of Texas

The spca of texas is dedicated to providing every animal exceptional care and a loving home.

Animals
11
Houston Area Women's Center

The Houston Area Women's Center (HAWC) works to end domestic and sexual violence and supports all in building safe and healthy lives through advocacy, counseling, education, shelter, and support services.

Human Services
12
Trees for Houston

Plant, protect and promote trees all over the greater Houston area.

For reference, the grantee most central to the portfolio’s shape is Inspiration Ranch Inc and the most unlike its peers is The Adam McCauley Family Cancer Foundation. 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 35 years old; the field is 12. You back the established end — and your money leans older still.

THE FIELDby orgYOUR GRANTEESby number28%1%<5yr17%8%5–10yr20%16%10–20yr16%24%20–35yr9%26%35–55yr11%24%55yr+
THE FIELDby orgYOUR MONEYby value28%0%<5yr17%7%5–10yr20%13%10–20yr16%21%20–35yr9%31%35–55yr11%27%55yr+

The field is 28% startups (under 5 years old) — 1% of your grantees by number, and just 0% of your money.

Closures · last 5 years

The orgs you fund almost never close 0.0% lost their exemption, against 17% of the field you don’t fund.

orgs you fund
0.0%0/109
the rest of the field
17%
9,457/54,358

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

108 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. 108 of the 133 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)
22
Early backer (in before they grew)
107/108
Grantees still filing
74/108
Grew since you first funded

Where your money sits — by cause, then by grantee

SAN JOSE CLINIC — $50,250 · OtherSAN JOSE CLINICThe Houston Food Bank — $42,500 · OtherThe Houston Food BankHouston Hospice — $40,000 · OtherHouston HospiceFURNITURE BANK HOUSTON — $30,000 · OtherCASA DE ESPERANZA DE LOS NINOS INC — $30,000 · OtherInterfaith Ministries for Greater Houston — $25,250 · OtherSAN ANTONIO AREA FOUNDATION — $30,000 · OtherCHILD ADVOCATES INC — $25,250 · Other+43 more — $476,000 · Other+43 moreSPAULDING FOR CHILDREN — $35,000 · Human ServicesSPAULDING FOR CHILDRENCOVENANT HOUSE TEXAS — $35,000 · Human ServicesCOVENANT HOUSE TEXASTHE WOMEN'S HOME — $25,000 · Human ServicesTHE WOMEN'S HOMEBOYS AND GIRLS COUNTRY OF HOUSTON INC — $20,250 · Human ServicesKIDS' MEALS INC — $20,000 · Human ServicesTHE BRIDGE OVER TROUBLED WATERS INC — $20,000 · Human ServicesStreet Grace Inc — $15,000 · Human ServicesCATHOLIC CHARITIES OF THE TEXAS PANHANDLE — $15,000 · Human Services+24 more — $214,250 · Human Services+24 moreAUSTIN PETS ALIVE INC — $30,000 · AnimalsAUSTIN PETS ALI…KERRVILLE PETS ALIVE — $30,000 · AnimalsKERRVILLE PETS …BEAUMONT PETS ALIVE — $20,000 · AnimalsBEAUMONT PETS A…BLUEBONNET EQUINE HUMANE SOCIETY INC — $20,000 · AnimalsBLUEBONNET EQUI…Humane Society of North Texas — $20,000 · AnimalsHumane Society …ETOSHA RESCUE & ADOPTION CENTER — $20,000 · AnimalsETOSHA RESCUE &…PAWS CHICAGO — $10,250 · AnimalsANIMAL REFUGE CENTER INC — $10,250 · AnimalsPET PREVENT A LITTER (PALS) OF CENTRAL TEXAS — $10,250 · AnimalsHILL COUNTRY SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS — $10,000 · AnimalsRESCUED PETS MOVEMENT INC — $10,000 · AnimalsK9S FOR WARRIORS INC — $10,000 · AnimalsTHREE LITTLE PITTIES RESCUE — $10,000 · AnimalsSPAY NEUTER NETWORK — $10,000 · AnimalsDALLAS PETS ALIVE — $10,000 · AnimalsHOUSTON HUMANE SOCIETY — $10,000 · Animals+2 more — $7,500 · AnimalsCOMMUNITIES IN SCHOOLS-BAY AREA INC — $30,000 · EducationCOMMUNITI…THE CENTER FOR HEARING AND SPEECH — $25,000 · EducationTHE CENTE…Small Steps Nurturing Center — $15,000 · EducationSmall Ste…THE CENTER FOR HEARING AND SPEECH FOUNDATION — $15,000 · EducationTHE CENTE…FAMILY LIFE ACADEMY CHARTER SCHOOLS — $10,250 · EducationFAMILY LI…GRANT HALLIBURTON FOUNDATION INC — $10,250 · EducationGRANT HAL…KIPP Texas Inc — $10,000 · EducationKIPP Texa…CAREER GEAR HOUSTON — $10,000 · EducationCAREER GE…Avondale House Inc — $10,000 · EducationAvondale …TINY TIM CENTER INC DBA TLC LEARNING CENTER — $5,250 · Education+2 more — $10,000 · Education+2 moreTHE BEACON OF DOWNTOWN HOUSTON — $25,000 · HealthRONALD MCDONALD HOUSE CHARITIES GREATER HOUSTON INC — $15,000 · HealthNick Finnegan Counseling Center Foundation — $10,000 · HealthTEXAS DIAPER BANK — $10,000 · HealthTHE MENNINGER CLINIC FOUNDATION — $10,000 · HealthAIDS FOUNDATION HOUSTON INC — $10,000 · HealthPALMER DRUG ABUSE PROGRAM HOUSTON INC — $10,000 · HealthChrist Clinic — $10,000 · HealthSEVEN ACRES JEWISH SENIOR CARE SERVICES INC — $10,000 · HealthMagnificat Houses Inc — $5,000 · HealthBIG BROTHERS BIG SISTERS LONE STAR — $65,000 · Youth DevelopmentBoys and Girls Clubs of Greater Houston Inc — $25,000 · Youth DevelopmentGirl Scouts of San Jacinto Council — $10,000 · Youth DevelopmentCamp For All Foundation — $10,000 · Youth DevelopmentMiller Theatre Advisory Board Inc — $20,000 · Arts & CultureHOLOCAUST MUSEUM HOUSTON — $20,000 · Arts & CultureBo's Place — $15,000 · Arts & CultureJohn P McGovern Museum of Health & Medical Science — $10,250 · Arts & CultureHouston Ballet Foundation — $10,000 · Arts & CultureALLEY THEATRE — $5,000 · Arts & Culture
Other$749,250Human Services$399,500Animals$248,250Education$150,750Health$115,000Youth Development$110,000Arts & Culture$80,250

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 budgetBIG BROTHERS BIG SISTERS LONE STAR — $65,000 over 3y, 0.1% of budgetThe Houston Food Bank — $42,500 over 3y, 0.0% of budgetHouston Hospice — $40,000 over 3y, 0.1% of budgetSPAULDING FOR CHILDREN — $35,000 over 3y, 0.5% of budgetCOVENANT HOUSE TEXAS — $35,000 over 3y, 0.1% of budgetAUSTIN PETS ALIVE INC — $30,000 over 2y, 0.1% of budgetSAN ANTONIO AREA FOUNDATION — $30,000 over 1y, 0.0% of budgetCOMMUNITIES IN SCHOOLS-BAY AREA INC — $30,000 over 3y, 0.4% of budgetKERRVILLE PETS ALIVE — $30,000 over 2y, 2.9% of budgetCASA DE ESPERANZA DE LOS NINOS INC — $30,000 over 3y, 0.3% of budgetInterfaith Ministries for Greater Houston — $25,250 over 2y, 0.1% of budgetCHILD ADVOCATES INC — $25,250 over 3y, 0.2% of budgetTHE BEACON OF DOWNTOWN HOUSTON — $25,000 over 2y, 0.4% of budgetTHE WOMEN'S HOME — $25,000 over 2y, 0.3% of budgetTHE CENTER FOR HEARING AND SPEECH — $25,000 over 2y, 0.2% of budgetBOYS AND GIRLS COUNTRY OF HOUSTON INC — $20,250 over 2y, 0.2% of budgetMiller Theatre Advisory Board Inc — $20,000 over 1y, 0.9% of budgetBEAUMONT PETS ALIVE — $20,000 over 2y, 3.5% of budgetSIRE INC — $20,000 over 3y, 0.4% of budgetSTAR OF HOPE MISSION — $20,000 over 2y, 0.0% of budgetHOLOCAUST MUSEUM HOUSTON — $20,000 over 2y, 0.2% of budgetBLUEBONNET EQUINE HUMANE SOCIETY INC — $20,000 over 2y, 1.1% of budgetSAN ANTONIO FOOD BANK — $20,000 over 2y, 0.0% of budgetHumane Society of North Texas — $20,000 over 2y, 0.1% of budgetKIDS' MEALS INC — $20,000 over 2y, 0.1% of budgetTHE BRIDGE OVER TROUBLED WATERS INC — $20,000 over 1y, 0.2% of budgetETOSHA RESCUE & ADOPTION CENTER — $20,000 over 2y, 5.5% of budgetCHINQUAPIN PREPARATORY SCHOOL — $15,000 over 1y, 0.5% of budgetRONALD MCDONALD HOUSE CHARITIES GREATER HOUSTON INC — $15,000 over 2y, 0.2% of budgetStreet Grace Inc — $15,000 over 1y, 0.7% of budgetSmall Steps Nurturing Center — $15,000 over 2y, 0.2% of budgetCATHOLIC CHARITIES OF THE TEXAS PANHANDLE — $15,000 over 1y, 0.2% of budgetBo's Place — $15,000 over 2y, 0.3% of budgetCOMMUNITY ALLIANCE AGAINST FAMILY ABUSE — $10,250 over 1y, 1.0% of budgetPAWS CHICAGO — $10,250 over 1y, 0.1% of budgetRespite Care of San Antonio Inc — $10,250 over 1y, 0.3% of budgetTHE CHILDREN'S SHELTER — $10,250 over 1y, 0.1% of budgetFAMILY LIFE ACADEMY CHARTER SCHOOLS — $10,250 over 1y, 0.1% of budgetANIMAL REFUGE CENTER INC — $10,250 over 1y, 0.9% of budgetJohn P McGovern Museum of Health & Medical Science — $10,250 over 1y, 0.3% of budgetGRANT HALLIBURTON FOUNDATION INC — $10,250 over 1y, 1.1% of budgetNick Finnegan Counseling Center Foundation — $10,000 over 1y, 1.5% of budgetBakerRipley — $10,000 over 1y, 0.0% of budgetCOMMUNITY FAMILY CENTERS INC — $10,000 over 1y, 0.2% of budgetNew Hope Housing Inc — $10,000 over 1y, 0.1% of budgetHILL COUNTRY SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS — $10,000 over 1y, 1.6% of budgetCLAYTON DABNEY FOR KIDS WITH CANCER — $10,000 over 1y, 0.7% of budgetRESCUED PETS MOVEMENT INC — $10,000 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.

Albert & Ethel Herzstein Charitable FoundationTX64.5× affinity30 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Albert & Ethel Herzstein Charitable Foundation · Greater Houston Community Foundation · Harry S & Isabel C Cameron Foundation Sentinel Trust Company · The Brown Foundation Inc · Strake Foundation · Shell USA Company Foundation · The William Stamps Farish Fund · United Way of Greater Houston · The Elkins Foundation · The Methodist Hospital · MD Anderson Foundation · Sterling-Turner 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 Robert W Knox & Pearl Wallis Knox Charitable 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 · 10%1%4%8%15%your share of their income ↑0%25%50%75%100%share of the org’s income from governmentmedian 0%
  • K9S for Warriors Inc0% of income from government
no gov moneyreceives it· size = income
1get no government money at all
49report government grants on their 990 we could not trace to a source (not plotted)
0rely 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 133 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