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Plinth

· Private foundation

George K Tallman Trust Xxxxx0004

Its FY2025 filing reports that it accepted unsolicited grant applications.

$122k
Granted FY2025still arriving
8
Grants FY2025still arriving
2
States reached
$45k
Largest
01What you fund
0198% classified

What you funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year — across FY20182025.

Arts & Culture$367kEducation$144kHuman Services$111kPublic Benefit$110kHealth$61kYouth Development$60kInternational$25kOther$0
02FY2025 · 8 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k4 grants · $22k
  • $10k–50k4 grants · $100k
$15,000
Median grant
2
States reached
$1.9M
Total assets
Largest grants
RecipientAmount
ROCK COUNTY HISTORICAL SOCIETY$45,000
JANESVILLE PERFORMING ARTS CENTER$25,000
BOYS AND GIRLS CLUB OF JANESVILLE$15,000
BELOIT COLLEGE$15,000
JUNIOR ACHIEVEMENT-WISCONSIN$8,277
MILWAUKEE AREA TECHNICAL COLLEGE$5,000
JANESVILLE COMMUNITY DAY CARE CENTER$5,000
Individual grant recipient$3,600
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 (FY18–25, $91k) land where the poverty rate runs at 10%, 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%JANESVILLE COMMUNITY DAY CARE CENTER: $63k → 10%JANESVILLE COMMUNITY DAY CARE CENTER: $8k → 10%JANESVILLE COMMUNITY DAY CARE CENTER: $5k → 10%JANESVILLE COMMUNITY DAY CARE CENTER: $5k → 10%JANESVILLE COMMUNITY DAY CARE CENTER: $5k → 10%JANESVILLE COMMUNITY DAY CARE CENTER: $5k → 10%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.
$834k · 9 repeat orgs$48k to everyone else

9 repeat relationships — 7 still active in FY2025, 2 since wound down; 1 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

9
3

Total granted

$834k
$44k

Median revenue growth · since first grant

+9%
+12%

Still filing today

67%
100%

New vs renewed · share of each year

In FY2025, 97% of grant dollars renewed an existing relationship; $4k went to new ones.

50%100%’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’18’19’20’21’22’23’24’25
Arts & CultureHealthEducationHuman ServicesInternationalPhilanthropyOther

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

  • JC
    JANESVILLE COMMUNITY DAY CARE CENTER INC
    6× · 2018–2025 · $91k · revenue +33%
  • HO
    HEALTHNET OF ROCK COUNTY INC
    4× · 2018–2021 · $46k · revenue +87%
  • JUNIOR ACHIEVEMENT OF WISCONSIN INC
    4× · 2022–2025 · $25k · revenue +9%

Funded once

  • YO
    YMCA OF NORTHERN ROCK COUNTY INCgraduated
    one grant, 2018 · $20k · revenue +49%
  • AH
    Agrace HospiceCare Foundation Inc
    one grant, 2022 · $15k · revenue +12%
  • HE
    HAMILTON EDUCATION FOUNDATION INC
    one grant, 2022 · $9k · revenue -12%

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 Trustees of Grinnell College

To educate students in the liberal arts through free inquiry and the open exchange of ideas.when grinnell college framed its charter in the iowa territory of the united states in 1846, it set forth a mission to educate its students "for…

Education
2
Wisconsin Association of Agricultural Educators Inc

The corporation is organized exclusively for educational purposes, to improve and advance agricultural education efforts in the state of wisconsin at the secondary and post-secondary levels. programs and activities aim to provide…

3
Wisconsin Nurses Association Incorporated

The wisconsin nurses association advocates for policies that positively impact the nursing workforce. the association also supports workplace standards that promoted safe patient and nursing care.the association advocated for full practice…

4
Junior Achievement of Northern in Inc

The mission statement of jani is: to inspire and prepare young people to succeed in a global economy.

International
5
Burnett Medical Center Inc

The mission of burnett medical center is to provide compassionate, comprehensive, community healthcare that exceeds our customer's expectations. our mission, as well as our vision and values, serves as a guideline for daily decision making…

Health
6
Coe College

Coe college is a private, four-year co-educational liberal arts college.

Education
7
Young Men's Christian Association of Jamestown New York

The mission of the Jamestown Area Family YMCA is "To put Christian principles into practice through programs that build strong kids, strong families, and strong communities by enriching the lives of all people in spirit, mind, and body."

Human Services
8
Janesville Foundation Inc
Philanthropy
9
Rainbow Childcare of Monroe Inc

Rainbow Childcare Inc. is a not for profit child care agency committed to providing quality, affordable, learning-oriented child care to the greater Green County community. We serve the children enrolled at Rainbow Childcare, Inc. and…

Human Services
10
Rock River Repertory Theatre

Inspire artists, audiences, and our greater southern wisconsin community to celabrate the art of theatre.

Arts & Culture
11
Wisconsin Broadcasters Association Inc

The purpose of the wisconsin broadcasters association shall be to foster and promote the development of the arts of aural and visual broadcasting in all its forms; to protect its members in every lawful and proper manner from injustices…

Community Improvement
12
Hastings College

Hastings college is a private, co-education, residential, liberal arts college founded in 1882.

Education

For reference, the grantee most central to the portfolio’s shape is Healthnet of Rock County Inc and the most unlike its peers is Janesville Community Day Care Center 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

9 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. 9 of the 13 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)
9/9
Grantees still filing
5/9
Grew since you first funded

Where your money sits — by cause, then by grantee

ROCK COUNTY HISTORICAL SOCIETY INC — $198,671 · Arts & CultureROCK COUNTY HISTORICAL SOCIETY INCJANESVILLE PERFORMING ARTS CENTER INC — $168,539 · Arts & CultureJANESVILLE PERFORMING ARTS CENTER INCCITY OF JANESVILLE — $110,000 · OtherCITY OF JANESVILLEBOYS AND GIRLS CLUB OF JANESVILLE — $60,000 · OtherBOYS AND GIRLS CLUB OF JAN…YMCA OF NORTHERN ROCK COUNTY INC — $20,000 · OtherYMCA OF NORTHERN ROCK COUN…MILWAUKEE AREA TECHNICAL COLLEGE — $15,000 · OtherMILWAUKEE AREA TECHNICAL C…+1 more — $3,600 · OtherBELOIT COLLEGE — $120,000 · EducationBELOIT COLLEGEJANESVILLE COMMUNITY DAY CARE CENTER INC — $91,000 · Human ServicesJANESVILLE …HEALTHNET OF ROCK COUNTY INC — $45,500 · HealthAgrace HospiceCare Foundation Inc — $15,000 · HealthJUNIOR ACHIEVEMENT OF WISCONSIN INC — $25,403 · InternationalHAMILTON EDUCATION FOUNDATION INC — $9,000 · Philanthropy
Arts & Culture$367,210Other$208,600Education$120,000Human Services$91,000Health$60,500International$25,403Philanthropy$9,000

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 budgetROCK COUNTY HISTORICAL SOCIETY INC — $198,671 over 5y, 6.9% of budgetJANESVILLE PERFORMING ARTS CENTER INC — $168,539 over 7y, 4.9% of budgetBELOIT COLLEGE — $120,000 over 8y, 0.0% of budgetJANESVILLE COMMUNITY DAY CARE CENTER INC — $91,000 over 6y, 0.9% of budgetHEALTHNET OF ROCK COUNTY INC — $45,500 over 4y, 0.5% of budgetJUNIOR ACHIEVEMENT OF WISCONSIN INC — $25,403 over 4y, 0.2% of budgetYMCA OF NORTHERN ROCK COUNTY INC — $20,000 over 1y, 0.9% of budgetAgrace HospiceCare Foundation Inc — $15,000 over 1y, 0.2% of budgetHAMILTON EDUCATION FOUNDATION INC — $9,000 over 1y, 5.1% 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 ROCK COUNTY HISTORICAL SOCIETY INC
  • Who funds JANESVILLE PERFORMING ARTS CENTER INC
  • Who funds BELOIT COLLEGE
  • Who funds JANESVILLE COMMUNITY DAY CARE CENTER INC
  • Who funds HEALTHNET OF ROCK COUNTY INC
  • Who funds JUNIOR ACHIEVEMENT OF WISCONSIN INC
  • Who funds YMCA OF NORTHERN ROCK COUNTY INC
  • Who funds Agrace HospiceCare Foundation Inc
  • Who funds HAMILTON EDUCATION FOUNDATION 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.

Baird Foundation IncWI17.9× affinity7 shared granteesties to 8 of 8Hover any node to trace its alignments.Compare side by side →

Open a dossier: Baird Foundation Inc · Jpc Foundation · Janesville Foundation Inc · Claremont S Jackman Foundation Xxx-Xx-Xxxx · Dorothy a Ashcraft Charitable Xxxxx7008 · Walter & Jessie Francisco Char Fnd Xxxxx8003 · Community Foundation of Southern Wisconsin Inc · Donor Advised Charitable Giving Inc · 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 George K Tallman Trust Xxxxx0004 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
    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 · 0–10%
    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.

    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 13 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