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Plinth

· Private foundation

Wirtz Family Foundation John O Wirtz

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.

$19k
Granted FY2025still arriving
12
Grants FY2025still arriving
7
States reached
$5k
Largest
01What you fund
0197% classified

What you funded, over time

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

Education$93kPhilanthropy$73kHealth$36kHuman Services$12kPublic Safety & Disaster$8kRecreation & Sports$5kCrime & Legal$4kHousing & Shelter$2kOther$0
02FY2025 · 12 grants

Where the money goes

Your grants by size, and where they go.

$2,000
Median grant
7
States reached
$16k
Total assets
Largest grants
RecipientAmount
NIGHT WATCH$5,000
TUNNELS TO TOWERS PROJECT$2,244
WOUNDED WARRIOR PROJECT$2,200
ST JUDE RESEARCH HOSPITAL$2,200
HURRICANE MELISSA FD-UNITED WAY MIA$2,000
FOLDS OF HONOR$2,000
BAILEY FOUNDATION$1,000
QUAIL VALLEY CHARITIES$770
PORT HURON NORTHERN FOOTBALL$500
SPINEHOPE FOUNDATION$500
VNA HOSPICE FOUNDATION$400
TURNING POINT USA$100
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 (FY24–25, $5k) land where the poverty rate runs at 14%, 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%WOUNDED WARRIOR PROJECT: $3k → 14%WOUNDED WARRIOR PROJECT: $2k → 14%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.

Which US states your grants reach

MI
NY
OR
PA
MD
AZ
OK
TX
FL

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.

77%of every dollar goes to organizations you’ve funded before.
$181k · 16 repeat orgs$56k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +56% since the first grant, against +43% for the ones you funded once.

16 repeat relationships — 3 still active in FY2025, 13 since wound down; 9 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

16
32

Total granted

$181k
$43k

Median revenue growth · since first grant

+56%
+43%

Still filing today

31%
6%

New vs renewed · share of each year

In FY2025, 34% of grant dollars renewed an existing relationship; $13k 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
PhilanthropyEducationHuman ServicesHealthOther

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

  • MU
    MORAVIAN UNIVERSITY
    3× · 2017–2019 · $30k · revenue +56%
  • FO
    FOLDS OF HONOR FOUNDATION
    9× · 2017–2025 · $15k · revenue +162%
  • STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION
    3× · 2020–2024 · $6k · revenue +392%

Funded once

  • UW
    UNITED WAY OF ST CLAIR CO
    one grant, 2019 · $15k
  • JW
    JEN WOODRUFFEVENING OF G
    one grant, 2019 · $6k
  • MP
    MCLAREN PH FOUNDATION
    one grant, 2020 · $4k

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
Furman University

The primary mission of furman as a liberal arts institution is to provide a distinctive education in fine arts, humanities, social sciences, mathematics and the sciences, as well as selected professional disciplines.

Education
2
Fisk University

Fisk university produces graduates from diverse backgrounds with the integrity and intellect required for substantive contributions to society. our curriculum is grounded in the liberal arts. our faculty and administrators emphasize the…

Education
3
Fordham University

Fordham university, the jesuit university of new york, is committed to the discovery of wisdom and the transmission of learning, through research and through education of the highest quality. for more information, see schedule o.

Education
4
University Health Inc

Primary functions are the coordination and delivery of health care resources and services, health care education for the hospital service area, long range analysis of health care needs and development of programs, and arranging for…

5
St Francis College

St. francis college is an independent, coeducational institution of higher education chartered by an act of the regents of the university of the state of new york on april 10, 1957.

Education
6
Shield of Faith Missions

Sof is called to empower warriors to find purpose, be resilient, and live well. we develop and provide customized treatment plans for veterans through our national network of partners.

Religion
7
United States Naval Institute

Provide an independent forum for those who dare to read, think, speak, and write to advance the professional, literary, and scientific understanding of sea power and other issues critical to global security.

8
Foundation for Financial Planning Inc

Our mission is to help people in need improve their financial lives by expanding access to pro bono financial planning.

Human Services
9
Seton Hall University

Seton hall university is a catholic institution of higher education

10
University of Mount Saint Vincent

Founded by the sisters of charity of new york, the university of mount saint vincent is an academically excellent, authentically inclusive, catholic and ecumenical liberal arts university. (cont. in sch.o)

Education
11
Golden Gate University

Golden gate university prepares individuals to lead and serve by providing high quality, practice-based educational programs in law, taxation, business and related professions - as a nonprofit institution - in an innovative and challenging…

Education
12
Fielding Graduate University

We provide exemplary interdisciplinary programs for a community of scholar-practitioners within a distributed learning model grounded in student-driven inquiry and leading to enhanced knowledge.

For reference, the grantee most central to the portfolio’s shape is Turning Point Usa Inc and the most unlike its peers is Spinehope Fka Spinal Deformity Foundation Inc. 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 58 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)
1
Early backer (in before they grew)
11/11
Grantees still filing
6/11
Grew since you first funded

Where your money sits — by cause, then by grantee

MICHIGAN STATE UNIVERSITY — $40,000 · OtherMICHIGAN STATE UNIVERSITYMORAVIAN UNIVERSITY — $30,000 · OtherMORAVIAN UNIVERSITYDAY TREATMENTNIGHT WATCH — $29,000 · OtherDAY TREATMENTNIGHT WATCHUNITED WAY OF ST CLAIR CO — $15,000 · OtherUNITED WAY OF ST CLAIR COJEN WOODRUFFEVENING OF G — $6,298 · Other+45 more — $43,622 · Other+45 moreUNITED WAY OF ST CLAIR COUNTY — $45,000 · PhilanthropyUNITED WAY OF ST CLAI…+1 more — $770 · PhilanthropyFOLDS OF HONOR FOUNDATION — $14,500 · EducationFOLDS OF …STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION — $5,940 · EducationSTEPHEN S…+1 more — $300 · EducationWOUNDED WARRIOR PROJECT INC — $5,200 · Human ServicesSAFE HORIZONS — $1,000 · Human ServicesSPINEHOPE FKA SPINAL DEFORMITY FOUNDATION INC — $500 · Health
Other$163,920Philanthropy$45,770Education$20,740Human Services$6,200Health$500

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 budgetUNITED WAY OF ST CLAIR COUNTY — $45,000 over 3y, 1.2% of budgetMORAVIAN UNIVERSITY — $30,000 over 3y, 0.0% of budgetFOLDS OF HONOR FOUNDATION — $14,500 over 9y, 0.0% of budgetSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION — $5,940 over 3y, 0.0% of budgetWOUNDED WARRIOR PROJECT INC — $5,200 over 2y, 0.0% of budgetSAFE HORIZONS — $1,000 over 1y, 0.1% of budgetFISHER HOUSE FOUNDATION INC — $500 over 1y, 0.0% of budgetHILLSDALE COLLEGE — $300 over 2y, 0.0% of budgetTURNING POINT USA INC — $100 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 UNITED WAY OF ST CLAIR COUNTY
  • Who funds MORAVIAN UNIVERSITY
  • Who funds FOLDS OF HONOR FOUNDATION
  • Who funds STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION
  • Who funds WOUNDED WARRIOR PROJECT INC
  • Who funds SAFE HORIZONS
  • Who funds QUAIL VALLEY CHARITIES INC
  • Who funds SPINEHOPE FKA SPINAL DEFORMITY FOUNDATION INC
  • Who funds FISHER HOUSE FOUNDATION INC

Government reliance of your grantees

Every dot is one organization Wirtz Family Foundation John O Wirtz 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, a single department, or state — and drag the year to watch it move.

2024
202122232425
no gov · 20%0%1%3%5%your share of their income ↑0%6%13%19%25%share of the org’s income from governmentmedian 0%
  • Wounded Warrior Project Inc0% of income from government
no gov moneyreceives it· size = income
2get no government money at all
2report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–25%
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 58 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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