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Plinth

· Private foundation

Anchor Watch

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.

$128k
Granted FY2025still arriving
13
Grants FY2025still arriving
6
States reached
$30k
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.

Education$728kArts & Culture$38kEmployment$7kPhilanthropy$3kRecreation & Sports$2k
02FY2025 · 13 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k7 grants · $32k
  • $10k–50k6 grants · $96k
$7,500
Median grant
6
States reached
$54k
Total assets
Largest grants
RecipientAmount
San Jacinto College Foundation$30,000
TEXAS A&M UNIVERSITY GALVESTON$24,000
YES PREP PUBLIC SCHOOLS$12,000
PORT HOUSTON PARTNERS IN MARITIME EDUCATION (PHPME$10,000
WOMEN OFFSHORE FOUNDATION$10,000
Massachusetts Maritime Academy$10,000
MAINE MARITIME ACADEMY$7,500
TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM$5,000
EAST END CHAMBER EDUCATION FOUNDATION$5,000
SUNY MARITIME FOUNDATION INC$5,000
United States Merchant Marine Academy$5,000
NAMEPA$2,500
DR KIRK LEWIS CAREER & TECHINCAL HS$1,950
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 15%, against an area that typically sits at 15%. 62% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 15%Massachusetts Maritime Academy: $10k → 8%United States Merchant Marine Academy: $5k → 6%SUNY MARITIME FOUNDATION INC: $5k → 28%Stephen F Austin High School: $10k → 8%TEXAS A&M UNIVERSITY GALVESTON: $25k → 14%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%WOMEN OFFSHORE FOUNDATION: $12k → 11%SUNY MARITIME FOUNDATION INC: $5k → 28%TEXAS A&M UNIVERSITY GALVESTON: $24k → 14%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%WOMEN OFFSHORE FOUNDATION: $10k → 11%TEXAS A&M UNIVERSITY GALVESTON: $24k → 14%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%TEXAS A&M UNIVERSITY GALVESTON: $24k → 14%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%TEXAS A&M UNIVERSITY GALVESTON: $24k → 14%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%TEXAS A&M UNIVERSITY GALVESTON: $24k → 14%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%TEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM: $5k → 16%DR KIRK LEWIS CAREER & TECHINCAL HS: $7k → 16%Houston Maritime Museum: $25k → 16%Houston Maritime Museum: $8k → 16%Houston Maritime Museum: $5k → 16%HOUSTON ISD - STEPHEN F AUSTIN HS: $10k → 16%EAST END CHAMBER EDUCATION FOUNDATION: $5k → 16%EAST END CHAMBER EDUCATION FOUNDATION: $5k → 16%EAST END CHAMBER EDUCATION FOUNDATION: $5k → 16%EAST END CHAMBER EDUCATION FOUNDATION: $5k → 16%EAST END CHAMBER EDUCATION FOUNDATION: $5k → 16%EAST END CHAMBER EDUCATION FOUNDATION: $5k → 16%SAN JACINTO COLLEGE FOUNDATION: $15k → 16%THE BLUE WATER SCHOLARSHIP FUND: $5k → 16%PORT HOUSTON PARTNERS IN MARITIME EDUCATION (PHPME: $10k → 16%PHPME: $10k → 16%PORT HOUSTON PARTNERS IN MARITIME EDUCATION (PHPME: $5k → 16%PHPME: $5k → 16%San Jacinto College Foundation: $30k → 16%SAN JACINTO COLLEGE FOUNDATION: $35k → 16%SAN JACINTO COLLEGE FOUNDATION: $15k → 16%SAN JACINTO COLLEGE FOUNDATION: $15k → 16%SAN JACINTO COLLEGE FOUNDATION: $15k → 16%SAN JACINTO COLLEGE FOUNDATION: $10k → 16%YES PREP PUBLIC SCHOOLS: $12k → 16%SAN JACINTO COLLEGE FOUNDATION: $10k → 16%YES PREP PUBLIC SCHOOLS: $12k → 16%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.
$741k · 17 repeat orgs$36k to everyone else

17 repeat relationships — 12 still active in FY2025, 5 since wound down; 1 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

17
9

Total granted

$741k
$33k

Median revenue growth · since first grant

+79%
+84%

Still filing today

29%
22%

New vs renewed · share of each year

In FY2025, 98% of grant dollars renewed an existing relationship; $3k 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
EducationPhilanthropyRecreation & SportsArts & CultureEmploymentOther

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

  • SJ
    SAN JACINTO COMMUNITY COLLEGE FOUNDATION INC
    8× · 2017–2025 · $145k · revenue +79%
  • HM
    HOUSTON MARITIME MUSEUM
    3× · 2020–2022 · $38k · revenue +276%
  • YP
    YES Prep Public Schools Inc
    2× · 2024–2025 · $24k · revenue +5%

Funded once

  • SF
    Stephen F Austin High School
    one grant, 2019 · $10k
  • HI
    HOUSTON ISD - STEPHEN F AUSTIN HS
    one grant, 2017 · $10k
  • BW
    BLUE WATER SCHOLARSHIP FUND
    one grant, 2024 · $5k · revenue 0%

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

04Your field
04the grantee network

7 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. 7 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)
4
Early backer (in before they grew)
7/7
Grantees still filing
6/7
Grew since you first funded

Where your money sits — by cause, then by grantee

TEXAS A&M UNIVERSITY GALVESTON — $267,000 · OtherTEXAS A&M UNIVERSITY GALVESTONTEXAS SOUTHERN UNIVERSITY MARITIME PROGRAM — $45,000 · OtherTEXAS SOUTHERN UNIVERSITY MARITIME PROGRAMEAST END CHAMBER EDUCATION FOUNDATION — $45,000 · OtherEAST END CHAMBER EDUCATION FOUNDATIONPHPME — $30,000 · OtherPHPMEMAINE MARITIME ACADEMY — $24,500 · OtherMassachusetts Maritime Academy — $24,000 · OtherWOMEN OFFSHORE FOUNDATION — $21,500 · OtherUnited States Merchant Marine Academy — $19,000 · Other+12 more — $70,786 · Other+12 moreSAN JACINTO COMMUNITY COLLEGE FOUNDATION INC — $145,000 · PhilanthropySAN JACINTO COMMUNITY…YES Prep Public Schools Inc — $24,000 · EducationSUNY MARITIME FOUNDATION INC — $10,000 · EducationBLUE WATER SCHOLARSHIP FUND — $5,000 · EducationHOUSTON MARITIME MUSEUM — $37,500 · Arts & CultureWomen Offshore Foundation — $6,773 · EmploymentHOUSTON LIVESTOCK SHOW AND RODEO INC — $2,000 · Recreation & Sports
Other$546,786Philanthropy$145,000Education$39,000Arts & Culture$37,500Employment$6,773Recreation & Sports$2,000

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 budgetSAN JACINTO COMMUNITY COLLEGE FOUNDATION INC — $145,000 over 8y, 2.1% of budgetHOUSTON MARITIME MUSEUM — $37,500 over 3y, 5.5% of budgetYES Prep Public Schools Inc — $24,000 over 2y, 0.0% of budgetSUNY MARITIME FOUNDATION INC — $10,000 over 2y, 0.2% of budgetWomen Offshore Foundation — $6,773 over 2y, 1.5% of budgetBLUE WATER SCHOLARSHIP FUND — $5,000 over 1y, 2.7% of budgetHOUSTON LIVESTOCK SHOW AND RODEO INC — $2,000 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.

  • Who funds SAN JACINTO COMMUNITY COLLEGE FOUNDATION INC
  • Who funds HOUSTON MARITIME MUSEUM
  • Who funds YES Prep Public Schools Inc
  • Who funds SUNY MARITIME FOUNDATION INC
  • Who funds Women Offshore Foundation
  • Who funds BLUE WATER SCHOLARSHIP FUND
  • Who funds HOUSTON LIVESTOCK SHOW AND RODEO 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.

Shell USA Company FoundationTX14.2× affinity5 shared granteesties to 3 of 3Hover any node to trace its alignments.Compare side by side →

Open a dossier: Shell USA Company Foundation · Orange County Community Foundation · 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 Anchor Watch 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%1%3%6%10%your share of their income ↑0%3%5%8%10%share of the org’s income from government
    no gov moneyreceives it· size = income
    0get no government money at all
    0rely on government for over half their income
    ⤢ axis zoomed · 0–10%
    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 Anchor Watch?

    Find your warmest path to Anchor Watch 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 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