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Plinth

· Private foundation

The Walter C & Stefanie A Zable Family 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.

$210k
Granted FY2024still arriving
2
Grants FY2024still arriving
1
States reached
$200k
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 FY20172024.

Health$960kEducation$500kPhilanthropy$200kPublic Benefit$100kInternational$30kArts & Culture$20kHuman Services$10kCrime & Legal$5kOther$0
02FY2024 · 2 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2024

  • $10k–50k1 grant · $10k
  • $50k–250k1 grant · $200k
$200,000
Median grant
1
States reached
$4.9M
Total assets
Largest grants
RecipientAmount
SHARP HEALTHCARE FOUNDATION$200,000
FRIENDS OF THE CULTURAL CENTER INC$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 (FY18–20, $15k) land where the poverty rate runs at 8%, against an area that typically sits at 8%. 33% of those dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 8%BALD MOUNTAIN RESCUE FUND INC: $5k → 7%CATHOLIC CHARITIES A COMMUNITY SERVICE MINISTRY OF: $5k → 11%SWIFTSURE RANCH THERAPEUTIC EQUESTRIAN CENTER INC: $5k → 7%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.
$1.5M · 4 repeat orgs$125k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +34% since the first grant, against +1% for the ones you funded once.

4 repeat relationships — 2 still active in FY2024, 2 since wound down.

How the two cohorts compare

Re-uppedFunded once

Organizations

4
7

Total granted

$1.5M
$125k

Median revenue growth · since first grant

+34%
+1%

Still filing today

100%
100%

New vs renewed · share of each year

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

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

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

’17’18’19’20’21’22’23’24
Human ServicesHealthInternationalPublic BenefitArts & CulturePublic Safety & DisasterOther

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

  • SH
    Sharp Healthcare Foundation
    5× · 2020–2024 · $953k · revenue +34%
  • UO
    UNIVERSITY OF SAN DIEGO
    5× · 2017–2021 · $500k · revenue +60%
  • FO
    Friends of the Cultural Center Inc
    2× · 2023–2024 · $20k · revenue +18%

Funded once

  • ST
    Stand Together Foundation
    one grant, 2019 · $100k · revenue -85%
  • SR
    SWIFTSURE RANCH THERAPEUTIC EQUESTRIAN CENTER INC
    one grant, 2018 · $5k · revenue +1%
  • BM
    Bald Mountain Rescue Fund
    one grant, 2019 · $5k · revenue -69%

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
The San Diego Foundation

The san diego foundation inspires enduring philanthropy and enables community solutions to improve the quality of life in our region.

Philanthropy
2
Sharp Coronado Hospital & Healthcare Center

To operate and maintain a general acute care hospital and related facilities for the acute care of persons suffering from illnesses or disabilities, and for the continuing care of persons needing rehabilitation and the custodial care of…

3
San Diego Theatres Inc

San Diego Theatres, Inc. (SDTI) is a not-for-profit public benefit corporation established to manage and operate publicly owned performing arts theatres. SDTI was established in 2003 by the San Diego Convention Center Corporation (SDCCC),…

Arts & Culture
4
San Diego State University Foundation Sdsu Research Foundation

To support and further the research, education and community service objectives of san diego state university.

Education
5
Kfhpw Holdings

Supporting kaiser permanente organizations which provide high-quality, affordable health care services to improve the health of our members and the communities we serve.

6
National University

To deliver accessible world-class student experiences by providing quality programs and services that ensure student success through meaningful learning. to be an inclusive and innovative university serving life-long learners who…

Education
7
United Way of San Diego County

To spark breakthrough community action that elevates every child and family toward a brighter future.

Philanthropy
8
California Walks

Statewide voice for pedestrian safety and healthy, walkable communities for people of all ages and abilities. California Walks partners with state agencies, community-based organizations and residents.

Public Safety & Disaster
9
California Pacific Medical Center Foundation

MISSION STATEMENT: MISSION: CARING FOR OUR PATIENTS FIRST AND OUR PEOPLE ALWAYS. VISION: TO BE THE MOST COMPREHENSIVE, INTEGRATED AND CONNECTED HEALTH SYSTEM FOR GETTING AND STAYING WELL. VALUES: EXCELLENCE - We deliver high-quality,…

Health
10
California Institute for BioMedical Research

Our mission is to build a unique institute that bridges basic research and drug discovery, and that attracts the best and brightest scientists, physicians and students to work together synergistically to find cures for neglected human…

11
San Diego Habitat Conservancy

Acquire, manage and protect land in perpetuity that supports sensitive habitats and species, and to educate and inspire people and communities as stewards and advocates of their natural environment.

Arts & Culture
12
Associated Students of San Diego State University

To support the social, recreational, cultural and education programs and facilities, both on campus and in the community, and to advocate for student interests, provide leadership opportunities and participate in shared governance.

For reference, the grantee most central to the portfolio’s shape is Stand Together Foundation and the most unlike its peers is Bald Mountain Rescue Fund. 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.

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

Where your money sits — by cause, then by grantee

Sharp Healthcare Foundation — $952,500 · HealthSharp Healthcare FoundationUNIVERSITY OF SAN DIEGO — $500,000 · OtherUNIVERSITY OF SAN DIEGO+3 more — $10,000 · OtherNATIONAL PHILANTHROPIC TRUST — $200,000 · PhilanthropyNATIONAL PHI…Stand Together Foundation — $100,000 · Public BenefitPROJECT CONCERN INTERNATIONAL — $30,000 · InternationalFriends of the Cultural Center Inc — $20,000 · Arts & CultureSWIFTSURE RANCH THERAPEUTIC EQUESTRIAN CENTER INC — $5,000 · Human ServicesBald Mountain Rescue Fund — $5,000 · Human ServicesCATHOLIC CHARITIES DIOCESE OF SAN DIEGO — $5,000 · Human Services
Health$952,500Other$510,000Philanthropy$200,000Public Benefit$100,000International$30,000Arts & Culture$20,000Human Services$15,000

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 budgetSharp Healthcare Foundation — $952,500 over 5y, 1.0% of budgetUNIVERSITY OF SAN DIEGO — $500,000 over 5y, 0.0% of budgetNATIONAL PHILANTHROPIC TRUST — $200,000 over 2y, 0.0% of budgetStand Together Foundation — $100,000 over 1y, 0.2% of budgetPROJECT CONCERN INTERNATIONAL — $30,000 over 3y, 0.0% of budgetFriends of the Cultural Center Inc — $20,000 over 2y, 0.1% of budgetSWIFTSURE RANCH THERAPEUTIC EQUESTRIAN CENTER INC — $5,000 over 1y, 0.7% of budgetBald Mountain Rescue Fund — $5,000 over 1y, 1.5% of budgetCATHOLIC CHARITIES DIOCESE OF SAN DIEGO — $5,000 over 1y, 0.0% of budgetSUN VALLEY WELLNESS INSTITUTE — $2,500 over 1y, 0.8% of budgetWALKSANDIEGO — $2,500 over 1y, 0.4% 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.

The San Diego FoundationCA17.2× affinity6 shared granteesties to 9 of 9Hover any node to trace its alignments.Compare side by side →

Open a dossier: The San Diego Foundation · Rancho Santa Fe Foundation · Morgan Stanley Global Impact Funding Trust Inc · Vanguard Charitable Endowment Program · American Endowment Foundation · National Philanthropic Trust · The Bank of America Charitable Foundation Inc · 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 The Walter C & Stefanie A Zable Family 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%0%1%3%5%your 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
    4report 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 12 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 2024, released 2024. Filings run roughly 12–24 months behind; figures are dated accordingly.

    Source object · view filing

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