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Plinth

· Private foundation

J L Cox Jr 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.

$36k
Granted FY2025still arriving
6
Grants FY2025still arriving
1
States reached
$29k
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 FY20232025.

Education$71kArts & Culture$10kPhilanthropy$3k
02FY2025 · 6 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k5 grants · $7k
  • $10k–50k1 grant · $29k
$1,300
Median grant
1
States reached
$929k
Total assets
Largest grants
RecipientAmount
UNIVERSITY OF DUBUQUE$29,000
ORCHESTRA IOWA INC$1,300
KIRKWOOD COMMUNITY COLLEGE FOUNDATION$1,300
IOWA PBS FOUNDATION$1,300
GREATER CEDAR RAPIDS COMMUNITY FOUNDATION$1,300
IOWA PUBLIC RADIO INC$1,300
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 (FY23–25) land where the poverty rate runs at 10%, against an area that typically sits at 9%. 100% of your dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 9%GREATER CEDAR RAPIDS COMMUNITY FOUNDATION: $1k → 9%IOWA PBS FOUNDATION: $1k → 10%UNIVERSITY OF DUBUQUE: $29k → 11%ORCHESTRA IOWA INC: $1k → 9%IOWA PBS FOUNDATION: $1k → 10%UNIVERSITY OF DUBUQUE: $26k → 11%GREATER CEDAR RAPIDS COMMUNITY FOUNDATION: $1k → 9%IOWA PBS FOUNDATION: $1k → 10%UNIVERSITY OF DUBUQUE: $12k → 11%ORCHESTRA IOWA INC: $1k → 9%IOWA PUBLIC RADIO INC: $1k → 10%ORCHESTRA IOWA INC: $1k → 9%IOWA PUBLIC RADIO INC: $1k → 10%GREATER CEDAR RAPIDS COMMUNITY FOUNDATION: $1k → 9%IOWA PUBLIC RADIO INC: $1k → 10%KIRKWOOD COMMUNITY COLLEGE FOUNDATION: $1k → 9%KIRKWOOD COMMUNITY COLLEGE FOUNDATION: $1k → 9%KIRKWOOD COMMUNITY COLLEGE FOUNDATION: $1k → 9%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
04Your field
04the grantee network

6 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)
0
Early backer (in before they grew)
6/6
Grantees still filing
3/6
Grew since you first funded

Where your money sits — by cause, then by grantee

UNIVERSITY OF DUBUQUE — $67,216 · EducationUNIVERSITY OF DUBUQUEKIRKWOOD COMMUNITY COLLEGE FOUNDATION — $3,400 · EducationORCHESTRA IOWA INC — $3,400 · Arts & CultureORCHESTRA…IOWA PUBLIC RADIO INC — $3,400 · Arts & CultureIOWA PUBL…GREATER CEDAR RAPIDS COMMUNITY FOUNDATION — $3,400 · PhilanthropyIOWA PBS FOUNDATION — $3,400 · Other
Education$70,616Arts & Culture$6,800Philanthropy$3,400Other$3,400

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 budgetUNIVERSITY OF DUBUQUE — $67,216 over 3y, 0.0% of budgetGREATER CEDAR RAPIDS COMMUNITY FOUNDATION — $3,400 over 3y, 0.0% of budgetIOWA PBS FOUNDATION — $3,400 over 3y, 0.0% of budgetORCHESTRA IOWA INC — $3,400 over 3y, 0.1% of budgetKIRKWOOD COMMUNITY COLLEGE FOUNDATION — $3,400 over 3y, 0.0% of budgetIOWA PUBLIC RADIO INC — $3,400 over 3y, 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.

Alliant Energy Foundation IncWI15.5× affinity5 shared granteesties to 9 of 9Hover any node to trace its alignments.Compare side by side →

Open a dossier: Alliant Energy Foundation Inc · The Kenneth K Kinsey Family Foundation · The US Charitable Gift Trust · Verizon Foundation · The Blackbaud Giving Fund · The Bank of America Charitable Foundation Inc · 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 J L Cox Jr 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
    1report 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 6 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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