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Withycombe Foundation at a glance

· Private foundation

Withycombe Foundation

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.

$5k
Granted FY2024still arriving
1
Grants FY2024still arriving
1
States reached
$5k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Animals$69kEducation$45kEnvironment$39kHuman Services$27kHealth$23kPhilanthropy$20kPublic Benefit$10kRecreation & Sports$2kOther$0
02FY2024 · 1 grant

Where the money goes

Grants by size, and the largest recipients.

$5,000
Median grant
1
States reached
$56k
Total assets
Largest grants
RecipientAmount
AMERICAN LEGION POST 91$5,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Dollar for dollar, its grants (FY17–24) land where the poverty rate runs at 11%, against an area that typically sits at 10%. 100% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 10%HONOR HEALTH FOUNDATION: $10k → 11%STOCK FARM GREATER RAVALLI FOUNDATION: $5k → 11%TEACH FOR AMERICA: $500 → 17%HONORHEALTH FOUNDATION: $10k → 11%STOCK FARM GREATER RAVALLI FOUNDATION: $5k → 11%VALLEY OF THE SUN UNITED WAY: $10k → 11%BITTER ROOT LAND TRUST: $3k → 11%HONOR HEALTH FOUNDATION: $2k → 11%STOCK FARM GREATER RAVALLI FOUNDATION: $3k → 11%ST VINCENT DE PAUL: $1k → 11%HAMILTON FIRE DEPARTMENT: $1k → 11%ARIZONA HUMANE SOCIETY: $25k → 11%TELLER WILDLIFE REFUGE: $14k → 11%AMERICAN LEGION POST 91: $10k → 11%TELLER WILDLIFE REFUGE: $8k → 11%ARIZONA HUMANE SOCIETY: $20k → 11%TELLER WILDLIFE REFUGE: $5k → 11%AMERICAN LEGION POST 91: $5k → 11%TELLER WILDLIFE REFUGE: $5k → 11%ARIZONA HUMANE SOCIETY: $12k → 11%DARBY RODEO ASSOC: $2k → 11%AMERICAN LEGION POST 91: $5k → 11%ARIZONA HUMANE SOCIETY: $10k → 11%AMERICAN LEGION POST 91: $5k → 11%ARIZONA HUMANE SOCIETY: $3k → 11%ASU FOUNDATION: $25k → 11%ASU FOUNDATION: $5k → 11%FIGHTER COUNTRY FOUNDATION INC: $10k → 11%VALLEY OF THE SUN UNITED WAY: $10k → 11%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

90%of every dollar goes to organizations it has funded before.
$212k · 7 repeat orgs$24k to everyone else

7 repeat relationships: 1 still active in FY2024, 6 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

7
9

Total granted

$212k
$24k

Median revenue growth · since first grant

+31%
+63%

Still filing today

86%
67%

New vs renewed · share of each year

In FY2024, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

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

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

’17’19’20’21’22’23’24
EducationAnimalsEnvironmentHealthPhilanthropyPublic BenefitOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). 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

  • AH
    Arizona Humane Society
    5× · 2017–2022 · $69k · revenue +137%
  • ARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY
    3× · 2017–2021 · $31k · revenue +196%
  • HF
    HONORHEALTH FOUNDATION
    3× · 2017–2020 · $22k · revenue +31%

Funded once

  • FC
    FIGHTER COUNTRY FOUNDATION INCgraduated
    one grant, 2017 · $10k · revenue +161%
  • CF
    CLARK FORK COALITION
    one grant, 2021 · $5k · revenue +21%
  • BR
    BITTER ROOT LAND TRUST
    one grant, 2022 · $3k · revenue -9%
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Arizona Community Foundation

To lead, serve and collaborate to mobilize enduring philanthropy for a better arizona.

Philanthropy
2
The Montana Land Reliance

The mission of the montana land reliance (mlr) is to partner with landowners to provide permanent protection for private lands that are significant for agricultural production, fish and wildlife habitat, and open space.

Environment
3
Lodestar Charitable Foundation

To perform the functions of, or to carry out the purposes of the arizona community foundation, an az nonprofit corporation, so long as the arizona community foundation, inc. remains a qualified organization.

—
4
Flathead Land Trust

Flathead land trust is dedicated to the conservation of northwest montana's land and water legacy through voluntary agreements with private land owners. flt's primary program service is private land conservation through voluntary…

Environment
5
Arizona Land and Water Trust Inc

Arizona land and water trust has been a trusted partner to ranchers and farmers of southern arizona for over 40 years. the trust achieves its mission to protect land and water by working with private landowners (continued on schedule o)who…

Environment
6
University of Arizona Foundation

The university of arizona foundation is committed to supporting and enhancing the vision, mission and values of the university of arizona through the development and management of private support.

Education
7
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
8
Wetlands America Trust Inc

Wetlands america trust, inc. is a nonprofit organization formed in 1985 to expand ducks unlimited, inc's mission to provide leadership in the protection of the natural balance of wetlands ecosystems ensuring the future viability of…

Environment
9
Rocky Mountain Elk Foundation Inc

The mission of the rocky mountain elk foundation (rmef) is to ensure the future of elk, other wildlife, their habitat and our hunting heritage. our mission includes four core programs; land protection and access, hunting heritage, habitat…

Animals
10
Grand Canyon State Electric Coop Inc

To represent, advance and protect the interests of arizona's member-owned, rural electric cooperatives.

—
11
Teton Regional Land Trust Inc

The mission of the teton regional land trust is to conserve working farms and ranches, fish and wildlife habitat, and scenic open spaces in eastern idaho for this and future generations.

Environment
12
Arizona Trail Association

To coordinate the planning, development, and promotion of the arizona trail for recreational and educational experiences of nonmotorized trail users.

Public Benefit
How this is measured
The grantee most central to the portfolio’s shape is Arizona Humane Society; the most unlike its peers is Darby Rodeo Association. 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 grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 12 of the 16 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
2
Early backer (in before they grew)
12/12
Grantees still filing
8/12
Grew since first funded

Where the money sits, by cause and then by grantee

Arizona Humane Society: $68,950 · AnimalsArizona Humane SocietyTELLER WILDLIFE REFUGE INC: $31,400 · AnimalsTELLER WILDLIFE REFUGE INCARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY: $31,214 · EducationARIZONA STATE UNIVERS…STOCK FARM GREATER RAVALLI FOUNDATION: $13,000 · EducationSTOCK FARM GREATER RA…+1 more: $500 · EducationAMERICAN LEGION POST 91: $25,000 · OtherAMERICAN LEGIO…DARBY RODEO ASSOCIATION: $2,000 · OtherDARBY RODEO AS…+4 more: $3,593 · Other+4 moreHONORHEALTH FOUNDATION: $22,000 · HealthHONORHEALT…VALLEY OF THE SUN UNITED WAY: $20,000 · PhilanthropyVALLEY OF…FIGHTER COUNTRY FOUNDATION INC: $10,000 · Public BenefitCLARK FORK COALITION: $5,000 · EnvironmentBITTER ROOT LAND TRUST: $3,000 · Environment
Animals$100,350Education$44,714Other$30,593Health$22,000Philanthropy$20,000Public Benefit$10,000Environment$8,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$10M$100Mgrantee revenue →↑ funder's share of their budgetArizona Humane Society: $68,950 over 5y, 0.1% of budgetTELLER WILDLIFE REFUGE INC: $31,400 over 4y, 2.0% of budgetARIZONA STATE UNIVERSITY FOUNDATION FOR A NEW AMERICAN UNIVERSITY: $31,214 over 3y, 0.0% of budgetHONORHEALTH FOUNDATION: $22,000 over 3y, 0.0% of budgetVALLEY OF THE SUN UNITED WAY: $20,000 over 2y, 0.0% of budgetSTOCK FARM GREATER RAVALLI FOUNDATION: $13,000 over 3y, 0.7% of budgetFIGHTER COUNTRY FOUNDATION INC: $10,000 over 1y, 1.0% of budgetCLARK FORK COALITION: $5,000 over 1y, 0.2% of budgetBITTER ROOT LAND TRUST: $3,000 over 1y, 0.2% of budgetDARBY RODEO ASSOCIATION: $2,000 over 1y, 0.3% of budgetDIOCESAN COUNCIL FOR THE SOCIETY OF ST VINCENT DE PAUL DIOCESE PHOENIX: $1,000 over 1y, 0.0% of budgetTeach for America Inc: $500 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Siebel Family Charita…Donor Advised Charita…Fidelity Investments …Amazonsmile Foundation
Siebel Family Charitable FoundationCA13.6× affinity4 shared granteesties to 3 of 3Hover any node to trace its alignments.Compare side by side →

Open a dossier: Siebel Family Charitable Foundation · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization Withycombe Foundation funds: left to right is the share of its income from government, bottom to top the share from Withycombe Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get 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
    typical government reliance, FY20–25
    How this is measured
    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 a grant caused the public funding. Coverage is precision-first, a floor rather than 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 to 24 months.

    On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 16 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

    How this is measured
    Each figure carries one of six labels. Filed is what the funder reported on its 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.

    Generated from the IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

    Play a game based on Withycombe’s filings →

    More from the funding graph

    The unnamed billions
    grants reported with no recipient in the public record
    The regranting layer
    51% of grant dollars land in the regranting layer
    The DAF merry-go-round
    $9.7B circulates between donor-advised funds
    The endowment market
    who holds foundation money, and what just moved
    The camps
    funders cluster by geography, not ideology
    By state
    where grant money is based, and what stays home