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Plinth

· Public charity

William Edwin Hall Foundation Inc

The william e.

$605k
Granted FY2025still arriving
19
Grants FY2025still arriving
4
States reached
$75k
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 FY20172025.

Arts & Culture$191kPhilanthropy$110kEducation$98kHuman Services$97kHealth$96kYouth Development$30kInternational$25kAnimals$20k
02FY2025 · 19 grants

Where the money goes

Your grants by size, and where they go.

The 19 grants below total $540,000 — the rows itemised in this filing. The $604,610 headline is the total grant expense reported on the return, so the remaining $64,610 is giving the schedule does not break out: grants under the $5,000 itemisation floor, grants to individuals, and grants reported on other schedules. Every figure below describes the itemised rows only.

By grant size · FY2025

  • $10k–50k14 grants · $240k
  • $50k–250k5 grants · $300k
$25,000
Median grant
4
States reached
$0
Total assets
Largest grants
RecipientAmount
LOFT CINEMA INC$75,000
THERAPEUTIC RIDING OF TUCSON INC$75,000
LIVE THEATRE WORKSHOP$50,000
THE LEARNING COMMUNITY FOR LOSS$50,000
SOCIAL VENTURE PARTNERS TUCSON$50,000
TUCSON PRESIDIO TRUST FOR HISTORIC$40,000
BOYS AND GIRLS CLUB OF TUCSON$30,000
SOUTHERN ARIZONA FRIENDS OF JUNG$25,000
PEO INTERNATIONAL$25,000
GLOBALMINDED$25,000
THE HAVEN$15,000
ALLIANCE FUND COMMUNITY FOUNDATION$10,000
WHERE PASSION MEETS PURPOSE$10,000
EDUCATIONAL ENRICHMENT FOUNDATION$10,000
SUNNYSIDE UNIFIED SCHOOL DISTRICT$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, $87k) land where the poverty rate runs at 15%, against an area that typically sits at 10%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 10%EASTER SEALS BLAKE FOUNDATION: $10k → 15%EASTER SEALS BLAKE FOUNDATION: $9k → 15%EASTER SEALS BLAKE FOUNDATION: $9k → 15%EASTER SEALS BLAKE FOUNDATION: $9k → 15%THE LEARNING COMMUNITY FOR LOSS: $50k → 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.

27%of every dollar goes to organizations you’ve funded before.
$166k · 4 repeat orgs$441k to everyone else

4 repeat relationships — 3 still active in FY2025, 1 since wound down; 15 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

4
1

Total granted

$166k
$6k

Still filing today

100%
0%

New vs renewed · share of each year

In FY2025, 18% of grant dollars renewed an existing relationship; $435k went to new ones.

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

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

’17’18’19’20’21’22’24’25
Arts & CultureHuman ServicesEducationRecreation & SportsPhilanthropyYouth 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

  • EB
    EASTERSEALS BLAKE FOUNDATION
    4× · 2017–2022 · $37k · revenue +11%
  • SU
    Sunnyside Unified School District Foundation
    3× · 2020–2025 · $28k · revenue ×24
  • RP
    REID PARK ZOOLOGICAL SOCIETY
    2× · 2024–2025 · $20k · revenue +1%

Funded once

  • TP
    TUCSON PRESIDIO TRUST FOR HISTORIC
    one grant, 2021 · $6k

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
Arizona Latin-American Medical Association
Unclassified
2
Tucson Values Teachers

To elevate the teaching profession in southern arizona by empowering and celebrating prek-12 teacher excellence through community engagement and investment.

Employment
3
Arts Foundation for Tucson and Southern Arizona

The Arts Foundation mission is to advance artistic expression, civic participation, and equitable economic growth of our diverse community by supporting, promoting, and advocating for arts and culture in our region.

Arts & Culture
4
Boyce Thompson Southwestern Arboretum
5
Cala Alliance

CelebracinArtstica de lasAmricas(CALA)Alliancecollaborates with artists and arts organizations to nurture artistic talent, focusing onartistsfrom the Latin American diaspora.Through innovative artist residencies, commissions, community…

Arts & Culture
6
Arizona Theatre Company

ATC's mission is to create world-class theatre about what it means to be alive today - inspiring curiosity and creativity, sparking empathy and joy - bringing all Arizonans together.

Arts & Culture
7
Tucson Investigative Reporting Center Inc

The Tucson Investigative Reporting Center educates and informs Southern Arizonans about the community challenges & unique culture of our borderlands through independent local journalism.

Animals
8
Tucson Botanical Gardens

Tucson botanical gardens connects people with plants and nature through art, science, history and culture.

Environment
9
Arizona Site Steward Program Foundation
Education
10
The Dons of Arizona
Education
11
Tucson Scottish Rite Charitable Foundation
12
Tucson Audubon Society

Inspire people to enjoy and protect birds through recreation, education, conservation, and restoration of the environment, upon which we all depend.

Animals

For reference, the grantee most central to the portfolio’s shape is Educational Enrichment Foundation and the most unlike its peers is Learning Community for Loss Grief and Transition. 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

19 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. 19 of the 21 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.

1
Load-bearing (≥25% of a budget)
5
Early backer (in before they grew)
19/19
Grantees still filing
10/19
Grew since you first funded

Where your money sits — by cause, then by grantee

LOFT CINEMA INC FKA TUCSON CINEMA FOUNDATION INC — $75,000 · Arts & CultureLOFT CINEMA INC FKA TUCS…Live Theatre Workshop — $50,000 · Arts & CultureLive Theatre WorkshopWHERE PASION MEETS PURPOSE — $10,000 · Arts & CultureWHERE PASION MEETS PURPO…ARIZONA-SONORA DESERT MUSEUM — $10,000 · Arts & CultureARIZONA-SONORA DESERT MU…TUCSON PRESIDIO TRUST FOR HISTORIC PRESERVATION — $40,000 · OtherTUCSON PRESIDIO TRUST F…Sunnyside Unified School District Foundation — $28,000 · OtherSunnyside Unified Schoo…PEO Program for Continuing Education — $25,000 · OtherPEO Program for Continu…SOUTHERN ARIZONA FRIENDS OF JUNG — $25,000 · OtherSOUTHERN ARIZONA FRIEND…THE HAVEN — $15,000 · OtherTHE HAVENTUCSON PRESIDIO TRUST FOR HISTORIC — $6,000 · OtherCOMMUNITY FOUNDATION FOR SOUTHERN ARIZONA — $60,000 · PhilanthropyCOMMUNITY FOUNDATI…SOCIAL VENTURE PARTNERS TUCSON — $50,000 · PhilanthropySOCIAL VENTURE PAR…Learning Community for Loss Grief and Transition — $50,000 · Human ServicesLearning Communi…EASTERSEALS BLAKE FOUNDATION — $37,000 · Human ServicesEASTERSEALS BLAK…OWL & PANTHER — $10,000 · Human ServicesOWL & PANTHERTherapeutic Riding of Tucson Inc — $81,000 · Recreation & SportsTherapeutic R…GLOBALMINDED — $25,000 · EducationLITERACY CONNECTS — $10,000 · EducationEDUCATIONAL ENRICHMENT FOUNDATION — $10,000 · EducationBOYS & GIRLS CLUBS OF TUCSON INC — $30,000 · Youth DevelopmentREID PARK ZOOLOGICAL SOCIETY — $19,500 · Animals
Arts & Culture$145,000Other$139,000Philanthropy$110,000Human Services$97,000Recreation & Sports$81,000Education$45,000Youth Development$30,000Animals$19,500

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$10Mgrantee revenue →↑ your share of their budgetTherapeutic Riding of Tucson Inc — $81,000 over 2y, 8.6% of budgetCOMMUNITY FOUNDATION FOR SOUTHERN ARIZONA — $60,000 over 2y, 0.3% of budgetLive Theatre Workshop — $50,000 over 1y, 7.8% of budgetSOCIAL VENTURE PARTNERS TUCSON — $50,000 over 1y, 6.2% of budgetLearning Community for Loss Grief and Transition — $50,000 over 1y, 67% of budgetTUCSON PRESIDIO TRUST FOR HISTORIC PRESERVATION — $40,000 over 1y, 7.0% of budgetEASTERSEALS BLAKE FOUNDATION — $37,000 over 4y, 0.0% of budgetSunnyside Unified School District Foundation — $28,000 over 3y, 11% of budgetPEO Program for Continuing Education — $25,000 over 1y, 0.6% of budgetREID PARK ZOOLOGICAL SOCIETY — $19,500 over 2y, 0.1% of budgetWHERE PASION MEETS PURPOSE — $10,000 over 1y, 20% of budgetLITERACY CONNECTS — $10,000 over 1y, 0.3% of budgetEDUCATIONAL ENRICHMENT FOUNDATION — $10,000 over 1y, 1.1% 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.

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.

Community Foundation for Southern ArizonaAZ31.9× affinity13 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Community Foundation for Southern Arizona · Connie Hillman Family Foundation · Arizona Community Foundation · Margaret E Mooney Foundation · Marshall Foundation · Social Venture Partners Tucson · The Hs Lopez Family Foundation · United Way of Tucson and Southern Arizona Inc · Tucson Osteopathic Medical Foundation · Fred & Christine Armstrong Foundation · Angel Charity for Children Inc · Donald Pitt Family 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 William Edwin Hall 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%5%19%42%75%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
    7report 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.

    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to William Edwin Hall Foundation Inc?

    Find your warmest path to William Edwin Hall Foundation Inc through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

    Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

    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 21 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 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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