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Plinth

· Private foundation

Rockwell C Webb Foundation

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.

$173k
Granted FY2025still arriving
10
Grants FY2025still arriving
2
States reached
$52k
Largest
01What you fund
0197% classified

What you funded, over time

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

Health$169kArts & Culture$111kPublic Safety & Disaster$105kAnimals$95kFood & Nutrition$52kEducation$51kYouth Development$24kCrime & Legal$13kOther$0
02FY2025 · 10 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k4 grants · $23k
  • $10k–50k5 grants · $98k
  • $50k–250k1 grant · $52k
$19,000
Median grant
2
States reached
$1.0M
Total assets
Largest grants
RecipientAmount
PRESCOTT WESTERN HERITAGE FOUNDATIO$52,000
POLICE OFFICERS SCOTTSDALE ASSOC$26,000
Individual grant recipient$22,500
PRESCOTT FIREFIGHTER CHARITIES$20,000
ASCEND SCHOOL AUTISM SPECTRUM CTR$19,000
LIBERTY BAPTIST CHURCH$10,000
YAVAPAI HUMANE SOCIETY$9,000
UNITED ANIMAL FRIENDS$6,500
KID'S BEAT CANCER FOUNDATION$5,000
MISS KITY'S CAT HOUSE$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 (FY17–25) land where the poverty rate runs at 13%, against an area that typically sits at 7%. 99% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 7%POLICE OFFICERS SCOTTSDALE ASSOC: $26k → 11%UNITED ANIMAL FRIENDS: $7k → 14%JUDICIAL WATCH: $6k → 14%PACE BRANTLEY SCHOOL: $15k → 11%JOHNATHAN'S LANDING: $7k → 11%KID'S BEAT CANCER FOUNDATION: $5k → 13%THE NRA FOUNDATION: $6k → 6%SOLID ROCK TEEN CENTERS: $7k → 11%PACE BRANTLEY SCHOOL: $10k → 11%POLICE OFFICERS SCOTTSDALE ASSOC: $6k → 11%PACE BRANTLEY SCHOOL: $10k → 11%POLICE OFFICERS SCOTTSDALE ASSOC: $5k → 11%WHOLESOME HEALING PATHWAYS: $23k → 14%PACE BRANTLEY SCHOOL: $10k → 11%POLICE OFFICERS SCOTTSDALE ASSOC: $5k → 11%ASCEND SCHOOL AUTISM SPECTRUM CTR: $20k → 14%PACE BRANTLEY SCHOOL: $5k → 11%ASCEND SCHOOL AUTISM SPECTRUM CTR: $19k → 14%LAKE MARY HS DRAMA BOOSTERS: $7k → 11%ASCEND SCHOOL AUTISM SPECTRUM CTR: $17k → 14%ASCEND SCHOOL AUTISM SPECTRUM CTR: $17k → 14%ASCEND SCHOOL AUTISM SPECTRUM CTR: $17k → 14%ASCEND SCHOOL AUTISM SPECTRUM CTR: $15k → 14%ASCEND SCHOOL AUTISM SPECTRUM CTR: $10k → 14%LIBERTY BAPTIST CHURCH: $10k → 14%ASCEND SCHOOL AUTISM SPECTRUM CTR: $10k → 14%ASCEND SCHOOL AUTISM SPECTRUM CTR: $10k → 14%WHOLESOME HEALING PATHWAYS: $9k → 14%PRESCOTT FIREFIGHTER CHARITIES: $20k → 14%PRESCOTT FIREFIGHTER CHARITIES: $15k → 14%YAVAPAI HUMANE SOCIETY: $15k → 14%PRESCOTT FIREFIGHTER CHARITIES: $10k → 14%PRESCOTT ANIMAL PARK ASSOCIATIO: $10k → 14%MEALS ON WHEELS: $10k → 14%MEALS ON WHEELS: $10k → 14%YAVAPAI HUMANE SOCIETY: $9k → 14%MEALS ON WHEELS: $8k → 14%MEALS ON WHEELS: $7k → 14%MEALS ON WHEELS: $7k → 14%YAVAPAI EXCEPTIONAL INDUSTRIES: $5k → 14%MEALS ON WHEELS: $5k → 14%BOYS TO MEN: $5k → 14%PRESCOTT ANIMAL PARK ASSOCIATIO: $5k → 14%YAVAPAI EXCEPTIONAL INDUSTRIES: $5k → 14%YAVAPAI EXCEPTIONAL INDUSTRIES: $5k → 14%YAVAPAI HUMANE SOCIETY: $5k → 14%PRESCOTT ANIMAL PARK ASSOCIATIO: $5k → 14%YAVAPAI EXCEPTIONAL INDUSTRIES: $5k → 14%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.

92%of every dollar goes to organizations you’ve funded before.
$619k · 17 repeat orgs$57k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +52% since the first grant, against +16% for the ones you funded once.

17 repeat relationships — 8 still active in FY2025, 9 since wound down; 2 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

17
8

Total granted

$619k
$42k

Median revenue growth · since first grant

+52%
+16%

Still filing today

53%
25%

New vs renewed · share of each year

In FY2025, 91% of grant dollars renewed an existing relationship; $15k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
AnimalsPublic BenefitPhilanthropyArts & CultureHuman ServicesCrime & LegalOther

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

  • PW
    Prescott Western Heritage Foundation Inc
    9× · 2017–2025 · $94k · revenue +125%
  • YH
    YAVAPAI HUMANE SOCIETY
    9× · 2017–2025 · $51k · revenue +52%
  • PF
    PRESCOTT FIREFIGHTERS CHARITIES INC
    3× · 2023–2025 · $45k · revenue +103%

Funded once

  • IG
    Individual grant recipient
    one grant, 2024 · $7k
  • LM
    LAKE MARY HS DRAMA BOOSTERS
    one grant, 2022 · $7k
  • SR
    SOLID ROCK TEEN CENTERS
    one grant, 2022 · $7k

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
Yavapai Humane Trappers Animal Search

Animal search and rescue, vetting, rehome and placement of unwanted and abandoned pets, primarily in northern arizona.sponsors a foster pet program and overpopulation program of spay and neuter.

Animals
2
Alliance for Arizona Animal Protection

Prevention of animal cruelty and intervention on behalf of animals being abused.

Animals
3
Phoenix Animal Care Coalition PACC911

PACC911 (Phoenix Animal Care Coalition) unites and supports pet rescue organizations throughout Arizona by fostering collaboration and providing critical resources that strengthen lifesaving efforts. Through large well promoted adoption…

Animals
4
Arizona Desert Rotti & Pals Rescue Inc

Take dogs from local shelters, rehabilitate them medically if necessary, care for and get the pet ready for adoption into a family. Hold adoption events, adoption screenings, and transportation if needed.

Animals
5
Southern Arizona Reptile Rescue and Education Inc

To advocate on behalf of reptiles through Rescue, Relocation, Rehabilitation and Education

Animals
6
Phx Cat Cafe

On average, we find homes for over 100 cats each year through our adoption program. In 2024 we fixed 125 cats with our TNR efforts and were able to provide a dozen microchips to owned pets in the community

Animals
7
High Desert Police K9 Association
8
Save the Cats Arizona

No-kill, cage free cat sanctuary with adoption

Animals
9
Central Arizona Animal Rescue Inc

Central Arizona Animal Rescue serves the community by rescuing, caring for, rehabilitating and placing rescued animals with new owners that would otherwise be euthanized. We spay or neuter all animals that are adopted, ending the cycle of…

Animals
10
Yavapai County Sheriffs Response T

Search and Rescue in Yavapai County, AZ

Public Safety & Disaster
11
Lovepup Foundation

Lovepup foundation is an arizona non-profit corporation organized and operated exclusively for the charitable purpose of facilitating the rescue, rehabilitation, and adoption of dogs and other pets.

Animals
12
Friends of the Palm SpringsAnimal Shelter

We are dedicated to building a community responsible for pet stewardship and humane treatment of animals.

Animals

For reference, the grantee most central to the portfolio’s shape is Yavapai Humane Society and the most unlike its peers is Christian Academy of Prescott 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

12 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. 12 of the 27 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)
5
Early backer (in before they grew)
11/12
Grantees still filing
9/12
Grew since you first funded

Where your money sits — by cause, then by grantee

ASCEND SCHOOL AUTISM SPECTRUM CTR — $136,065 · OtherASCEND SCHOOL AUTISM SPECTRUM CTRMEALS ON WHEELS — $52,000 · OtherMEALS ON WHEELSPACE BRANTLEY SCHOOL — $50,000 · OtherPACE BRANTLEY SCHOOLPOLICE OFFICERS SCOTTSDALE ASSOC — $42,000 · OtherPOLICE OFFICERS SCOTTSDALE ASSOCIndividual grant recipient — $31,815 · OtherIndividual grant recipientYavapai Exceptional Industries — $25,500 · OtherYavapai Exceptional IndustriesBOYS TO MEN — $17,000 · Other+10 more — $53,250 · Other+10 moreYAVAPAI HUMANE SOCIETY — $50,713 · AnimalsYAVAPAI HUMANE …Prescott Animal Park Association — $30,500 · AnimalsPrescott Animal…UNITED ANIMAL FRIENDS INC — $9,500 · AnimalsUNITED ANIMAL F…MISS KITTYS CAT HOUSE — $4,500 · AnimalsPrescott Western Heritage Foundation Inc — $93,500 · PhilanthropyPrescott Wester…PRESCOTT FIREFIGHTERS CHARITIES INC — $45,000 · Public BenefitJUDICIAL WATCH INC — $6,250 · Public BenefitPrescott Police Foundation — $11,250 · Human ServicesTHE MUSEUM OF INDIGENOUS PEOPLE — $11,000 · Arts & CultureNRA FOUNDATION INC — $6,250 · Crime & Legal
Other$407,630Animals$95,213Philanthropy$93,500Public Benefit$51,250Human Services$11,250Arts & Culture$11,000Crime & Legal$6,250

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 budgetPrescott Western Heritage Foundation Inc — $93,500 over 9y, 8.1% of budgetYAVAPAI HUMANE SOCIETY — $50,713 over 9y, 0.5% of budgetPRESCOTT FIREFIGHTERS CHARITIES INC — $45,000 over 3y, 18% of budgetPrescott Animal Park Association — $30,500 over 7y, 0.8% of budgetYavapai Exceptional Industries — $25,500 over 6y, 0.2% of budgetTHE MUSEUM OF INDIGENOUS PEOPLE — $11,000 over 4y, 3.1% of budgetUNITED ANIMAL FRIENDS INC — $9,500 over 2y, 0.5% of budgetJUDICIAL WATCH INC — $6,250 over 1y, 0.0% of budgetNRA FOUNDATION INC — $6,250 over 1y, 0.0% of budgetMISS KITTYS CAT HOUSE — $4,500 over 2y, 0.9% of budgetChristian Academy of Prescott Inc — $1,000 over 1y, 0.2% 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 Prescott Western Heritage Foundation Inc
  • Who funds YAVAPAI HUMANE SOCIETY
  • Who funds PRESCOTT FIREFIGHTERS CHARITIES INC
  • Who funds Prescott Animal Park Association
  • Who funds Yavapai Exceptional Industries
  • Who funds Prescott Police Foundation
  • Who funds THE MUSEUM OF INDIGENOUS PEOPLE
  • Who funds UNITED ANIMAL FRIENDS INC
  • Who funds JUDICIAL WATCH INC
  • Who funds NRA FOUNDATION INC
  • Who funds MISS KITTYS CAT HOUSE
  • Who funds Christian Academy of Prescott Inc

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.

Arizona Community FoundationAZ16.8× affinity6 shared granteesties to 3 of 3Hover any node to trace its alignments.Compare side by side →

Open a dossier: Arizona Community Foundation · Donor Advised Charitable Giving 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 Rockwell C Webb Foundation 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%6%25%56%100%your share of their income ↑0%1%3%4%5%share of the org’s income from government
    no gov moneyreceives it· size = income
    0get no government money at all
    2report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–5%
    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 27 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