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Plinth

· Private foundation

Joseph and Anthony Chon 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.

$2k
Granted FY2025still arriving
3
Grants FY2025still arriving
1
States reached
$2k
Largest
01What you fund
0196% classified

What you funded, over time

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

Religion$25kHealth$3kArts & Culture$748Community Improvement$665Animals$530Environment$210Recreation & Sports$125Philanthropy$67Other$0
02FY2025 · 3 grants

Where the money goes

Your grants by size, and where they go.

$99
Median grant
1
States reached
$137k
Total assets
Largest grants
RecipientAmount
ARK BAPTIST CHURCH$2,000
GILROY GARDENS FAMILY THEME PARK$99
CALIFORNIA STATE RAILROAD MUSEUM FOUNDATION$36
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 8%, against an area that typically sits at 10%. 7% of your dollars go to grantees based in above-average-need neighborhoods. Your grants skew toward lower-need ZIPs.

area typical 10%SIERRA STATE PARKS FOUNDATION: $26 → 6%PALO ALTO MEDICAL FOUNDATION: $2k → 8%KQED: $240 → 10%USS MIDWAY MUSEUM: $46 → 11%MONTEREY BAY AQUARIUM FOUNDATION: $304 → 12%CA STATE PARK: $60 → 12%FAMILY HEALTH & HOUSING FOUNDATION: $50 → 14%THE SEATTLE FOUNDATION: $67 → 9%NATIONAL AUTO MUSEUM: $28 → 10%GILROY GARDENS FAMILY THEME PARK: $99 → 8%MONTEREY BAY AQUARIUM FOUNDATION: $226 → 12%CALIFORNIA STATE RAILROAD MUSEUM FOUNDATION: $36 → 12%BELLEVUE BOTANICAL GARDEN: $20 → 9%ARK BAPTIST CHURCH: $5k → 8%MONTEREY BAY AQUARIUM: $190 → 12%SUTTER BAY MEDICAL FOUNDATION: $960 → 12%MUSEUM OF FLIGHT FOUNDATION: $129 → 9%ARK BAPTIST CHURCH: $3k → 8%ARK BAPTIST CHURCH: $3k → 8%ARK BAPTIST CHURCH: $3k → 8%ARK BAPTIST CHURCH: $2k → 8%ARK BAPTIST CHURCH: $2k → 8%ARK BAPTIST CHURCH: $2k → 8%HAKONE FOUNDATION: $150 → 8%ARK BAPTIST CHURCH: $2k → 8%HAKONE FOUNDATION: $119 → 8%ARK BAPTIST CHURCH: $2k → 8%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.

95%of every dollar goes to organizations you’ve funded before.
$29k · 4 repeat orgs$1k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +41% since the first grant, against +23% for the ones you funded once.

4 repeat relationships — 1 still active in FY2025, 3 since wound down; 2 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

4
9

Total granted

$29k
$1k

Median revenue growth · since first grant

+41%
+23%

Still filing today

75%
56%

New vs renewed · share of each year

In FY2025, 94% of grant dollars renewed an existing relationship; $135 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
Arts & CultureHealthAnimalsEnvironmentRecreation & SportsOther

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

  • SB
    SUTTER BAY MEDICAL FOUNDATION
    2× · 2019–2020 · $3k · revenue +38%
  • MONTEREY BAY AQUARIUM FOUNDATION
    3× · 2017–2024 · $720 · revenue +105%
  • HF
    Hakone Foundation
    2× · 2019–2021 · $269 · revenue +41%

Funded once

  • CF
    COUNCIL FOR INDUSTRIAL AND COMMERCI
    one grant, 2017 · $665
  • KI
    KQED INC
    one grant, 2017 · $240 · revenue -40%
  • MO
    MUSEUM OF FLIGHT FOUNDATIONgraduated
    one grant, 2019 · $129 · revenue +166%

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
Aquarium of the Pacific Corporation

The aquarium of the pacific's mission is to instill a sense of wonder, respect, and stewardship for the pacific ocean, its inhabitants, and ecosystems.

Animals
2
San Francisco Maritime National Park Association

Education & preservation of maritime history and knowledge; engaging or assisting in the maintenance, acquisition & operation of maritime & maritime-related museums, exhibits, libraries & parks; supporting & assisting the San Francisco…

Arts & Culture
3
San Francisco Bay Bird Observatory

The San Francisco Bay Bird Observatory is dedicated to the conservation of birds and their habitats through science and outreach.

Environment
4
Lone Star Flight Museum

Lone Star Flight Museum (LSFM) celebrates flight and achievements in Texas aviation, engages youth through STEM (science, technology, engineering, and math), and believes aviation inspires achievement and endless possibilities.

Arts & Culture
5
Monterey Museum of Art

The monterey museum of art cultivates curiosity in the visual arts and engages community with the diversity of california art - past, present, and future.

Arts & Culture
6
Sonoma Botanical Garden
7
Colorado Museum of Natural History

Be a catalyst! Ignite our community's passion for nature and science.

Arts & Culture
8
Museum of American Finance

Finance impacts everyone. as a socially relevant organization, the museum of american finance seeks to improve understanding of the influence of financial institutions and capital markets on the u.s. and global economies, and on…

9
Ucsf Foundation Investment Company

The organization provides professional investment management services for endowed gifts and financial assets entrusted to the ucsf foundation.

Education
10
Santa Barbara Maritime Museum

Creating excellent exhibits and educational experiences that celebrate the santa barbara channel and illuminate our rich connections with the sea.

Arts & Culture
11
Schiele Museum of Natural History and Planetarium

Inspire wonder and appreciation for science and the natural world through programs, exhibits, and research.

Arts & Culture
12
Museum of Sonoma County

The museum of sonoma county engages and inspires our diverse community with art and history exhibitions, collections, and public programs that are inclusive, educational, and relevant.

Arts & Culture

For reference, the grantee most central to the portfolio’s shape is Museum of Flight Foundation and the most unlike its peers is Sutter Bay Medical Foundation. 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

11 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. 11 of the 16 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)
0
Early backer (in before they grew)
11/11
Grantees still filing
10/11
Grew since you first funded

Where your money sits — by cause, then by grantee

ARK BAPTIST CHURCH — $25,370 · OtherARK BAPTIST CHURCH+5 more — $1,042 · OtherSUTTER BAY MEDICAL FOUNDATION — $2,537 · HealthSUTTER BA…+1 more — $50 · HealthMONTEREY BAY AQUARIUM FOUNDATION — $720 · AnimalsKQED INC — $240 · Arts & CultureMUSEUM OF FLIGHT FOUNDATION — $129 · Arts & CultureUSS MIDWAY MUSEUM — $46 · Arts & CultureCALIFORNIA STATE RAILROAD MUSEUM FOUNDATION INC — $36 · Arts & CultureGILROY GARDENS FAMILY THEME PARK — $99 · EnvironmentSEATTLE FOUNDATION — $67 · PhilanthropySierra State Parks Foundation — $26 · Recreation & Sports
Other$26,412Health$2,587Animals$720Arts & Culture$451Environment$99Philanthropy$67Recreation & Sports$26

Each org by its size and your share of it — top-left is where you’re load-bearing

25%50%75%100%$10M$100Mgrantee revenue →↑ your share of their budgetSUTTER BAY MEDICAL FOUNDATION — $2,537 over 2y, 0.0% of budgetMONTEREY BAY AQUARIUM FOUNDATION — $720 over 3y, 0.0% of budgetHakone Foundation — $269 over 2y, 0.0% of budgetKQED INC — $240 over 1y, 0.0% of budgetMUSEUM OF FLIGHT FOUNDATION — $129 over 1y, 0.0% of budgetSEATTLE FOUNDATION — $67 over 1y, 0.0% of budgetFAMILY HEALTH & HOUSING FOUNDATION INC — $50 over 1y, 0.0% of budgetUSS MIDWAY MUSEUM — $46 over 1y, 0.0% of budgetSierra State Parks Foundation — $26 over 1y, 0.0% 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.

Morgan Stanley Global Impact Funding Trust IncIN9.2× affinity4 shared granteesties to 5 of 5Hover any node to trace its alignments.Compare side by side →

Open a dossier: Morgan Stanley Global Impact Funding Trust Inc · Vanguard Charitable Endowment Program · American Online Giving 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 Joseph and Anthony Chon 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
2021222324
no gov · 00%0%1%3%5%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
    4report 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, FY2024

    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 16 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

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