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· Private foundation

Lannon Stone Foundation Inc

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.

$305k
Granted FY2025still arriving
21
Grants FY2025still arriving
3
States reached
$100k
Largest
01What it funds
0198% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2025.

Education$2.8MCommunity Improvement$657kRecreation & Sports$190kCrime & Legal$158kInternational$153kPublic Benefit$120kHuman Services$96kHealth$95kOther$0
02FY2025 · 21 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k9 grants · $31k
  • $10k–50k11 grants · $174k
  • $50k–250k1 grant · $100k
$10,000
Median grant
3
States reached
$4.3M
Total assets
Largest grants
RecipientAmount
BRIDGE BUILDERS$100,000
ST AUGUSTINE PREPARATORY ACADEMY INC$35,500
RECLAIM13$25,000
THE WOMEN'S CENTER OF WAUKESHA$20,000
GREAT LAKES ADULT AND TEEN CHALLENGE$15,750
PYRAMAX BANK 4 BALL CHARITY TOURNAMENT INC$15,000
LIFECAMPUSA$12,500
RIVEREDGE NATURE CENTER INC$10,000
SOLES FOR JESUS$10,000
WISCONSIN INSTITUTE FOR LAW & LIBERTY$10,000
NOTRE DAME SCHOOL OF MILWAUKEE$10,000
BLUE LOTUS FARM & RETREAT CENTER$10,000
Individual grant recipient$6,500
WSGA FOUNDATION$6,500
MACC FUND$5,000
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY20–25, $553k) land where the poverty rate runs at 17%, against an area that typically sits at 8%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 8%BRIDGE BUILDERS: $102k → 17%BRIDGE BUILDERS: $100k → 17%BRIDGE BUILDERS: $100k → 17%BRIDGE BUILDERS: $100k → 17%BRIDGE BUILDERS: $100k → 17%SOLES FOR JESUS: $12k → 17%SOLES FOR JESUS: $10k → 17%SOLES FOR JESUS: $10k → 17%SOLES FOR JESUS: $9k → 17%SOLES FOR JESUS: $5k → 17%SOLES FOR JESUS: $5k → 17%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

IL
WI
NY
UT
MO
NC
TX
FL
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

87%of every dollar goes to organizations it has funded before.
$3.9M · 28 repeat orgs$589k to everyone else

Grantees it renews have grown median revenue +57% since the first grant, against +19% for those funded once.

28 repeat relationships: 13 still active in FY2025, 15 since wound down; 8 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

28
28

Total granted

$3.9M
$538k

Median revenue growth · since first grant

+57%
+19%

Still filing today

46%
46%

New vs renewed · share of each year

In FY2025, 83% of grant dollars renewed an existing relationship; $52k went to new ones.

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

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

’20’21’22’23’24’25
EducationYouth DevelopmentPhilanthropyHuman ServicesCrime & LegalHealthOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). 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

  • ST AUGUSTINE PREPARATORY ACADEMY INC
    3× · 2023–2025 · $2.1M · revenue +204%
  • Bridge Builders Inc
    5× · 2021–2025 · $502k · revenue +75% · 25% of their budget
  • CITY FORWARD COLLECTIVE INC
    2× · 2023–2024 · $178k · revenue +55%

Funded once

  • MC
    MMAC COMMUNITY SUPPORT FOUNDATION INC
    one grant, 2024 · $150k · revenue -92%
  • VO
    VILLAGE OF GERMANTOWN PARK & RECREATION DEPARTMENT
    one grant, 2024 · $80k
  • GM
    Greater Milwaukee Committee for Community Development
    one grant, 2024 · $40k · revenue 0%
How this is measured

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

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Wisconsin Independent Christian School Inc

Valley christian school pursues educational excellence through christ centered programs to produce servant leaders.

Education
2
One City Schools Inc

Our mission is to seed a new model of public education that ensures young children are on track to succeed in a college or career preparatory program from birth through high school graduation.

Human Services
3
Woodlands School Inc

Woodlands school, inc. is a public charter non-profit school authorized through the univerity of wisconsin-milwaukee using a character-based education approach to prepare children for lifelong learning in a rapidly changing world.

Education
4
Wisconsin Principles Inc

Wisconsin principles (wp) is a 501(c)(4) non-profit organization dedicated to preserving conservative values in the state of wisconsin. committed to fiscal conservatism, educational choice, and individual liberty, we strive to empower…

Civil Rights
5
Milwaukee Excellence Inc

The mission of the organization is to provide a high quality education for all students with choices after graduation that will provide financial stability, inspire personal freedom to builda legacy.

—
6
The Medical College of Wisconsin Inc

The medical college of wisconsin (mcw) is a distinguished leader and innovator in the education and development of the next generation of physicians, (continued in schedule o)

Education
7
Wisconsin School Counselor Association Inc

Our vision is for wisconsin to be the model for excellence in equitable school counseling practice, exemplified by the advocacy, leadership, and expertise of the members of the wsca.

—
8
Milwaukee Jewish Day School Inc

Where academic excellence and jewish values prepare children for a lifetime of success, leadership and engagement with the world.

—
9
Rocketship Education Wisconsin Inc

Founded in 2006, rocketship education is a 501 (c)(3) non-profit corporation whose mission is to eliminate the achievement gap in underserved communities across the country. the core of rocketship's instructional model is a teacher-led,…

Education
10
Wisconsin Montessori Society Inc

Mission: educating youngsters to become an informed, committed, and difference-making generation. vision: educating children to graduate as informed, engaged, ethically minded citizens of the world that they inherit. purpose: milwaukee…

Education
11
Central City Cyberschool of Milwaukee Inc

A charter school providing motivation to inner city children to promote a successful future

Education
12
Wisconsin Council On Economic Education Inc

To enhance the quality and quantity of economics education in wisconsin.

Social Science
How this is measured
The grantee most central to the portfolio’s shape is City Forward Collective Inc; the most unlike its peers is Samaritan's Purse. 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

30 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 30 of the 64 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

2
Load-bearing (≥25% of a budget)
9
Early backer (in before they grew)
29/30
Grantees still filing
20/30
Grew since first funded

Where the money sits, by cause and then by grantee

ST AUGUSTINE PREPARATORY ACADEMY INC: $2,088,333 · EducationST AUGUSTINE PREPARATORY ACADEMY INCCITY FORWARD COLLECTIVE INC: $178,000 · EducationCITY FORWARD COLLECTIVE INC+6 more: $121,088 · EducationNATIVITY JESUIT ACADEMY INC: $220,000 · OtherNATIVITY JESUIT ACADEMY INCLUTHERAN HIGH SCHOOL ASSOCIATION OF GREATER MILWAUKEE: $125,000 · OtherLUTHERAN HIGH SCHOOL ASSOCI…VILLAGE OF GERMANTOWN PARK & RECREATION DEPARTMENT: $80,475 · OtherVILLAGE OF GERMANTOWN PARK …ST MARCUS LUTHERAN CHURCH: $52,500 · OtherTHE WOMEN'S CENTER OF WAUKESHA: $50,500 · OtherUFLOURISH CHURCH: $47,800 · OtherWSGA FOUNDATION: $41,300 · OtherIndividual grant recipient: $40,500 · OtherGreater Milwaukee Committee for Community Development: $40,000 · OtherMACC FUND: $40,000 · OtherWISCONSIN POLICY FORUM INC: $40,000 · Other+36 more: $315,752 · Other+36 moreBridge Builders Inc: $502,000 · Human ServicesBridge Builde…SOLES FOR JESUS: $50,500 · Human ServicesSOLES FOR JES…COMPASSIONATE COMMUNITIES FOR CHILDREN: $147,775 · Crime & LegalWISCONSIN INSTITUTE FOR LAW & LIBERTY: $10,000 · Crime & LegalMMAC COMMUNITY SUPPORT FOUNDATION INC: $150,000 · Community ImprovementOZAUKEE NONPROFIT CENTER INC: $5,325 · Community ImprovementPYRAMAX BANK 4 BALL CHARITY TOURNAMENT INC: $54,500 · HealthGLOBAL PARTNERS FOR CHILD HEALTH: $25,000 · HealthMercy Ships International: $75,000 · International
Education$2,387,421Other$1,093,827Human Services$552,500Crime & Legal$157,775Community Improvement$155,325Health$79,500International$75,000

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetST AUGUSTINE PREPARATORY ACADEMY INC: $2,088,333 over 3y, 8.9% of budgetBridge Builders Inc: $502,000 over 5y, 25% of budgetCITY FORWARD COLLECTIVE INC: $178,000 over 2y, 4.0% of budgetMMAC COMMUNITY SUPPORT FOUNDATION INC: $150,000 over 1y, 0.5% of budgetCOMPASSIONATE COMMUNITIES FOR CHILDREN: $147,775 over 6y, 2.5% of budgetMercy Ships International: $75,000 over 3y, 0.0% of budgetPYRAMAX BANK 4 BALL CHARITY TOURNAMENT INC: $54,500 over 4y, 15% of budgetSOLES FOR JESUS: $50,500 over 6y, 1.7% of budgetGreater Milwaukee Committee for Community Development: $40,000 over 1y, 2.5% of budgetWISCONSIN INDEPENDENT CHARTER SCHOOL ADVOCATES INC: $40,000 over 1y, 15% of budgetINSTITUTE FOR REFORMING GOVERNMENT INC: $40,000 over 1y, 2.7% of budgetWISCONSIN POLICY FORUM INC: $40,000 over 1y, 1.9% of budgetBLUE LOTUS FARM & RETREAT CENTER INC: $30,000 over 3y, 2.6% of budgetTHE UNIVERSITY SCHOOL OF MILWAUKEE CORPORATION: $25,000 over 1y, 0.1% of budgetGLOBAL PARTNERS FOR CHILD HEALTH: $25,000 over 1y, 57% of budgetRIVEREDGE NATURE CENTER INC: $20,000 over 2y, 0.5% of budgetFELLER SCHOOL INC: $15,000 over 1y, 6.4% of budgetFriends of Autism Inc: $14,500 over 2y, 10.0% of budgetFAMILY PROMISE OF WASHINGTON COUNTY INC: $10,000 over 2y, 0.4% of budgetWISCONSIN INSTITUTE FOR LAW & LIBERTY: $10,000 over 1y, 0.2% of budgetOZAUKEE NONPROFIT CENTER INC: $5,325 over 1y, 2.6% of budgetFELLOWSHIP OF CHRISTIAN ATHLETES: $5,000 over 1y, 0.0% of budgetRIVERSIDE & GREAT NORTHERN PRESERVATION: $2,000 over 2y, 0.3% of budgetOPTIMIST INTERNATIONAL FOUNDATION: $1,390 over 2y, 0.1% of budgetSAMARITAN'S PURSE: $1,000 over 1y, 0.0% of budgetMCPREPARATORY SCHOOL OF WISCONSIN INC: $888 over 1y, 0.0% of budgetWISCONSIN EDUCATIONAL YOUTH DEVELOPMENT FOUNDATION INC: $500 over 1y, 0.1% of budgetDR HOWARD FULLER COLLEGIATE ACADEMY INC: $200 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds ST AUGUSTINE PREPARATORY ACADEMY INC ↗
  • Who funds Bridge Builders Inc ↗
  • Who funds CITY FORWARD COLLECTIVE INC ↗
  • Who funds MMAC COMMUNITY SUPPORT FOUNDATION INC ↗
  • Who funds COMPASSIONATE COMMUNITIES FOR CHILDREN ↗
  • Who funds Mercy Ships International ↗
  • Who funds PYRAMAX BANK 4 BALL CHARITY TOURNAMENT INC ↗
  • Who funds SOLES FOR JESUS ↗
  • Who funds Greater Milwaukee Committee for Community Development ↗
  • Who funds WISCONSIN INDEPENDENT CHARTER SCHOOL ADVOCATES INC ↗
  • Who funds INSTITUTE FOR REFORMING GOVERNMENT INC ↗
  • Who funds WISCONSIN POLICY FORUM INC ↗
  • Who funds BLUE LOTUS FARM & RETREAT CENTER INC ↗
  • Who funds THE UNIVERSITY SCHOOL OF MILWAUKEE CORPORATION ↗
  • Who funds GLOBAL PARTNERS FOR CHILD HEALTH ↗
  • Who funds RIVEREDGE NATURE CENTER INC ↗
  • Who funds FELLER SCHOOL INC ↗
  • Who funds Friends of Autism Inc ↗
  • Who funds LIFECAMP USA INC ↗
  • Who funds FAMILY PROMISE OF WASHINGTON COUNTY INC ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Greater Milwaukee Foundation IncWI32× affinity14 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Greater Milwaukee Foundation Inc · Bradley Impact Fund Inc · Baird Foundation Inc · The Lynde and Harry Bradley Foundation Inc · Herbert H Kohl Charities Inc · Evan & Marion Helfaer Foundation · Joseph and Vera Zilber Family Foundation Inc · United Way of Greater Milwaukee & Waukesha County Inc · Green Bay Packers Foundation · Youth Foundation Inc · Ralph Evinrude Foundation Inc · Arzbaecher Family Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization Lannon Stone Foundation Inc funds: left to right is the share of its income from government, bottom to top the share from Lannon Stone Foundation Inc. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 00%4%15%34%60%funder's 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
    9report 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, FY20–25
    How this is measured
    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 a grant caused the public funding. Coverage is precision-first, a floor rather than 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 to 24 months.
    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to Lannon Stone Foundation Inc?

    Find your warmest path to Lannon Stone Foundation Inc 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 from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 64 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

    How this is measured
    Each figure carries one of six labels. Filed is what the funder reported on its 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.

    Generated from the IRS Form 990-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

    Source object · view filing

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