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Plinth

· Private foundation

L John & Deborah Arbizzani Charitable 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.

$362k
Granted FY2025still arriving
10
Grants FY2025still arriving
4
States reached
$321k
Largest
01What you fund
01

What you funded, over time

By grantee IRS cause code (NTEE).

A cause breakdown isn’t shown here: 84% of L JOHN & DEBORAH ARBIZZANI CHARITABLE FOUNDATION INC’s grantee dollars fall outside its nine largest cause areas, whether because the recipient carries no IRS cause code or because its cause sits in the long tail. A chart would be mostly one residual band and misrepresent the portfolio.

02FY2025 · 10 grants

Where the money goes

Your grants by size, and where they go.

By grant size · FY2025

  • Under $10k8 grants · $31k
  • $10k–50k1 grant · $10k
  • $250k+1 grant · $321k
$5,000
Median grant
4
States reached
$9k
Total assets
Largest grants
RecipientAmount
LJOHN AND DEBORAH ARBIZZANI$320,758
NETSANET MINISTIRES INC$10,000
MAYA DRONCA FOUNDATION$5,220
AUBURN UNIVERSITY$5,000
SAMARITANS PURSE$5,000
MULHERIN CUSTODIAL HOME$5,000
LITTLE SISTERS OF THE POOR$3,000
Individual grant recipient$3,000
SISTERS OF ST JOSEPH$3,000
ANCIENT CITY BAPTIST CHURCH$2,000
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 (FY17–25, $18k) land where the poverty rate runs at 19%, against an area that typically sits at 8%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of your grants land in higher-need ZIPs.

area typical 8%MULHERIN CUSTODIAL HOME: $5k → 19%MULHERIN CUSTODIAL HOME: $4k → 19%MULHERIN CUSTODIAL HOME: $2k → 19%MULHERIN CUSTODIAL HOME: $2k → 19%MULHERIN CUSTODIAL HOME: $2k → 19%MULHERIN CUSTODIAL HOME: $2k → 19%MULHERIN CUSTODIAL HOME: $1k → 19%WOUNDED WARRIOR PROJECT: $100 → 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

NY
MA
PA
NJ
VA
TN
NC
DC
LA
AL
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.

75%of every dollar goes to organizations you’ve funded before.
$1.2M · 26 repeat orgs$397k to everyone else

And the relationships you keep tend to grow: grantees you re-up on have seen median revenue of +50% since the first grant, against +11% for the ones you funded once.

26 repeat relationships — 7 still active in FY2025, 19 since wound down; 3 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

26
16

Total granted

$1.2M
$66k

Median revenue growth · since first grant

+50%
+11%

Still filing today

27%
50%

New vs renewed · share of each year

In FY2025, 9% of grant dollars renewed an existing relationship; $331k 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
EducationArts & CultureHealthHuman ServicesReligionCrime & LegalOther

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

  • LM
    Lightner Museum
    2× · 2018–2021 · $155k · revenue +50%
  • SO
    Sisters of St Joseph Inc
    9× · 2017–2025 · $110k · revenue +150%
  • MC
    Mulherin Custodial Home Inc
    7× · 2017–2025 · $18k · revenue +20%

Funded once

  • FC
    FLAGLER COLLEGE INC
    one grant, 2023 · $13k · revenue +11%
  • ON
    Operation New Hope Incgraduated
    one grant, 2019 · $10k · revenue +242%
  • FC
    FIRST COAST OPERA INC
    one grant, 2024 · $10k · revenue +5%

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
National Marine Mammal Foundation Inc

The nmmf's mission is to improve and protect life for marine mammals, humans, and our shared oceans through science, service, and education. our vision is to be the leading laboratory in marine mammal science, where critical questions…

Animals
2
Florida Coalition On Donation Inc

The florida coalition on donation, inc., is dedicated to motivating floridians to designate themselves as organ, eye and tissue donors, so lives are saved and enhanced through donation and transplantation.

Health
3
Jacksonville Frat Order of Police Foundation

Charitable organization that supports other charitable organizations and projects to enhance the quality of life for all citizens in Duval County, Jacksonville, Florida.

Community Improvement
4
Franciscan Workers of Junipero Serra

With love, respect and compassion, the Franciscan Workers of Junipero Serra provide essential services and transitional support to people experiencing the injustice of homelessness and extreme poverty.

Human Services
5
Florida Society of Anesthesiologists

To raise the standards, public awareness, and encourage research and publications in anesthesiology

6
Foundation for Sarcoidosis Research

The foundation for sarcoidosis research (fsr) is the leading international organization dedicated to finding a cure for sarcoidosis and improving care for sarcoidosis patients through research, education, and support. since its…

Philanthropy
7
Runway to Hope Inc

Runway to hope's mission is to support families, primarily in central florida, fighting pediatric cancer while seeking a cure.

Health
8
South Florida Guardianship Program Inc

The organization's mission is to provide pro bono guardianship services and care management to indigent individuals with disabling conditions.

Health
9
The Folded Flag Foundation

The mission of the folded flag foundation is to provide scholarships and educational support grants to the spouses and children of the united states military and government personnel who died as a result of hostile action or in an accident…

Public Benefit
10
Sarasota Opera Association Inc

Sarasota Opera produces impassioned opera performances true to the vision of the composer, to entertain, enrich, educate, and inspire a life-long love of opera in our diverse and growing communities.

Arts & Culture
11
Nine Line Foundation Inc

The organization exists for the primary purpose of fundraising for the rebuilding, strengthening, and enriching of the quality of life of wounded veterans - one soldier at a time.

Health
12
Catholic Palliative Care Services Inc

Catholic palliative care services, inc. is a wholly-owned subsidiary of catholic hospice, inc. and under the sponsorship of the archdiocese of miami, provides responsive end-of-life care to patients and families in broward and dade…

For reference, the grantee most central to the portfolio’s shape is Wounded Warrior Project Inc and the most unlike its peers is First Coast Opera 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

20 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. 20 of the 45 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)
5
Early backer (in before they grew)
17/20
Grantees still filing
15/20
Grew since you first funded

Where your money sits — by cause, then by grantee

MAYO CLINIC — $500,000 · OtherMAYO CLINICLJOHN AND DEBORAH ARBIZZANI — $320,758 · OtherLJOHN AND DEBORAH ARBIZZANISisters of St Joseph Inc — $109,500 · OtherSisters of St Joseph IncIndividual grant recipient — $107,600 · OtherIndividual grant recipient+30 more — $319,766 · Other+30 moreLightner Museum — $155,000 · Arts & CultureLightner Mu…FIRST COAST OPERA INC — $10,000 · Arts & CultureFIRST COAST…STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION — $16,000 · EducationFLAGLER COLLEGE INC — $12,642 · EducationJACKSONVILLE SCHOOL FOR AUTISM INC — $5,000 · EducationMulherin Custodial Home Inc — $17,500 · Human Services+1 more — $100 · Human ServicesNETSANET MINISTRIES INC — $15,000 · InternationalOperation New Hope Inc — $10,000 · Housing & ShelterTHE MAYA DRONCA FOUNDATION — $5,220 · HealthUNITED CANCER SUPPORT FOUNDATION INC — $400 · Health
Other$1,357,624Arts & Culture$165,000Education$33,642Human Services$17,600International$15,000Housing & Shelter$10,000Health$5,620

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 budgetLightner Museum — $155,000 over 2y, 5.3% of budgetSisters of St Joseph Inc — $109,500 over 9y, 2.1% of budgetMulherin Custodial Home Inc — $17,500 over 7y, 0.3% of budgetSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION — $16,000 over 4y, 0.0% of budgetNETSANET MINISTRIES INC — $15,000 over 2y, 1.6% of budgetFLAGLER COLLEGE INC — $12,642 over 1y, 0.0% of budgetOperation New Hope Inc — $10,000 over 1y, 0.2% of budgetFIRST COAST OPERA INC — $10,000 over 1y, 3.3% of budgetJACKSONVILLE SCHOOL FOR AUTISM INC — $5,000 over 1y, 0.1% of budgetEPIC CURE INC — $5,000 over 1y, 0.0% of budgetOMICRON DELTA KAPPA FOUNDATION INC — $2,000 over 4y, 0.1% of budgetNRA FOUNDATION INC — $1,300 over 2y, 0.0% of budgetSt Augustine Humane Society Inc — $1,000 over 2y, 0.1% of budgetBLUE LINE BEARS INC — $1,000 over 1y, 0.3% of budgetMARINE TOYS FOR TOTS FOUNDATION — $500 over 1y, 0.0% of budgetUNITED CANCER SUPPORT FOUNDATION INC — $400 over 1y, 0.0% of budgetWOUNDED WARRIOR PROJECT 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 Lightner Museum
  • Who funds Sisters of St Joseph Inc
  • Who funds Mulherin Custodial Home Inc
  • Who funds STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION
  • Who funds NETSANET MINISTRIES INC
  • Who funds FLAGLER COLLEGE INC
  • Who funds Operation New Hope Inc
  • Who funds FIRST COAST OPERA INC
  • Who funds THE MAYA DRONCA FOUNDATION
  • Who funds SAMARITAN'S PURSE
  • Who funds JACKSONVILLE SCHOOL FOR AUTISM INC
  • Who funds EPIC CURE INC
  • Who funds DELTA EPSILON FOUNDATION INC
  • Who funds OMICRON DELTA KAPPA FOUNDATION INC
  • Who funds NRA FOUNDATION INC
  • Who funds St Augustine Humane Society Inc
  • Who funds BLUE LINE BEARS 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.

The Community Foundation for Northeast Florida IncFL19.4× affinity7 shared granteesties to 6 of 6Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Community Foundation for Northeast Florida Inc · The Bank of America Charitable Foundation Inc · Network for Good · Fidelity Investments Charitable Gift Fund · American Online Giving Foundation 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 L John & Deborah Arbizzani Charitable Foundation Inc 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 · 40%1%3%6%10%your share of their income ↑0%23%45%68%90%share of the org’s income from governmentmedian 3%
  • Operation New Hope Inc13% of income from government
  • First Coast Opera Inc3% of income from government
  • Wounded Warrior Project Inc0% of income from government
no gov moneyreceives it· size = income
4get 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 · 0–90%
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 45 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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