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· Private foundation

The Frezados Masius Rieger Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$207k
Granted FY2025still arriving
40
Grants FY2025still arriving
8
States reached
$50k
Largest
01What it funds
0191% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2023 to 2025.

Education$249kHousing & Shelter$54kArts & Culture$51kHealth$30kPhilanthropy$19kHuman Services$18kYouth Development$7kRecreation & Sports$4kOther$0
02FY2025 · 40 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k35 grants · $81k
  • $10k–50k4 grants · $76k
  • $50k–250k1 grant · $50k
$2,000
Median grant
8
States reached
$2.9M
Total assets
Largest grants
RecipientAmount
SALISBURY SCHOOL$50,000
WINGS PROGRAM$33,700
NORTH SHORE COUNTRY DAY SCHOOL$17,500
HYDE PARK DAY SCHOOL$15,000
PATHWAYS EARLY EDUCATION CENTER$10,000
NAPLES COMMUNITY HOSPITAL$7,500
THE WINNETKA COMMUNITY HOUSE$6,500
FLORIDA GULF COAST UNIVERSITY$5,000
WOMEN'S FOUNDATION OF COLLIER COUNT$5,000
NAVY SEAL FOUNDATION$5,000
THE HOUSING ALLIANCE$5,000
Individual grant recipient$5,000
DAVID LAWRENCE CENTERS$3,000
GUADALUPE CENTER$3,000
ARTIS-NAPLES$2,500
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 (FY23–25, $10k) land where the poverty rate runs at 10%, against an area that typically sits at 11%. 0% of those dollars go to grantees based in above-average-need neighborhoods. Its grants skew toward lower-need ZIPs.

area typical 11%MOORINGS PARK FOUNDATION: $5k → 10%MOORINGS PARK FOUNDATION: $1k → 10%MOORINGS PARK FOUNDATION: $1k → 10%GUADALUPE CENTER: $3k → 10%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

ID
IL
WI
OH
CT
MO
VA
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.

92%of every dollar goes to organizations it has funded before.
$435k · 29 repeat orgs$40k to everyone else

Grantees it renews have grown median revenue +14% since the first grant, against -17% for those funded once.

29 repeat relationships: 28 still active in FY2025, 1 since wound down; 11 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

29
3

Total granted

$435k
$8k

Median revenue growth · since first grant

+14%
-17%

Still filing today

45%
33%

New vs renewed · share of each year

In FY2025, 85% of grant dollars renewed an existing relationship; $32k went to new ones.

50%100%’23’24’25
RenewedFirst-time

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

’23’24’25
Arts & CultureEducationHousing & ShelterHuman ServicesHealthYouth DevelopmentOther
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

  • SS
    SALISBURY SCHOOL INC
    3× · 2023–2025 · $110k · revenue +40%
  • WP
    WINGS PROGRAM INC
    3× · 2023–2025 · $47k · revenue +69%
  • NC
    NAPLES COMMUNITY HOSPITAL INC
    2× · 2024–2025 · $15k · revenue +5%

Funded once

  • AI
    AUTISM INSPIRED ACADEMY
    one grant, 2024 · $5k
  • RU
    RUSH UNIVERSITY HOSPITAL
    one grant, 2024 · $2k
  • KO
    KINGSWOOD OXFORD SCHOOL INC
    one grant, 2023 · $1k · revenue -17%
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
New World Symphony Inc

Prepares gifted graduates of prestigious music programs for successful careers in orchestras and ensembles.

Education
2
Community School of Naples Inc

The vision of community school of naples is to be a world-class independent school, meeting our mission in memorable ways for the benefit of every student, every day.committed to academic excellence, community school of naples inspires and…

Education
3
South Shore Charter School

The mission of south shore charter school is to cultivate students the tenacity, integrity, and curiosity needed to become innovative and socially responsible leaders, ready to face and solve the ever-changing challenges facing our…

Education
4
The Winsor School

Our mission: the winsor school prepares young women to pursue their aspirations and contribute to the world.

Education
5
The Northwest School of the Arts Humanities and Environment

We offer an outstanding international college preparatory program for grades 6-12.

Education
6
Canterbury School Inc

Canterbury school is pk3-12, coeducational, college preparatory day school with approximately 650 students. the school is dedicated to academic excellence within a caring and supportive community emphasizing character, leadership and…

Education
7
Windward School

Windward school is a dynamic college-preparatory school that challenges each student to achieve excellence in a nurturing, inclusive community. windward teachers, parents, and administrators work together to inspire our students to be…

Education
8
Miss Porter's School Inc

Miss porter's school educates young women to become informed, bold, resourceful and ethical global citizens. we expect our graduates to shape a changing world.

Education
9
Westside Neighborhood School

Wns is committed to creating a deeply caring community of lifelong learners that nurtures students from diverse backgrounds to reach their full potential, develop cultural competency, and inspire the world with their curiosity, innovation,…

Education
10
New West Charter School

The mission of new west charter school is to provide an academically rigorous, highly individualized education for 21st century students in grades 6 - 12. in the decades to come, personal success will require increasingly high levels of…

Education
11
Wilson College

Wilson college empowers students to be confident and critical thinkers, creative visionaries, effective communicators, honorable leaders, and agents of justice.

Education
12
Dickinson College

Dickinson college provides a useful, innovative and interdisciplinary education in the liberal arts and sciences to prepare students to lead rich and fulfilling lives of engaged global citizenship

Education
How this is measured
The grantee most central to the portfolio’s shape is Moorings Park Foundation Inc; the most unlike its peers is Winged Foot Scholarship Foundation. 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 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. 20 of the 44 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.

0
Load-bearing (≥25% of a budget)
2
Early backer (in before they grew)
20/20
Grantees still filing
10/20
Grew since first funded

Where the money sits, by cause and then by grantee

NORTH SHORE COUNTRY DAY SCHOOL: $52,800 · OtherNORTH SHORE COUNTRY DAY SCHOOLHYDE PARK DAY SCHOOL: $49,500 · OtherHYDE PARK DAY SCHOOLIndividual grant recipient: $35,000 · OtherIndividual grant recipientDAVID LAWRENCE CENTERS: $11,200 · OtherFLORIDA GULF COAST UNIVERSITY: $11,000 · OtherPathways Early Education Center of Immokalee Inc: $10,000 · Other+21 more: $56,550 · Other+21 moreSALISBURY SCHOOL INC: $110,000 · EducationSALISBURY SCHOOL INCHATHAWAY BROWN SCHOOL: $7,500 · EducationHATHAWAY BROWN SCHOOL+1 more: $1,000 · EducationWINGS PROGRAM INC: $46,800 · Housing & ShelterWINGS PROGRA…The Housing Alliance Inc: $5,000 · Housing & ShelterThe Housing …WINNETKA COMMUNITY HOUSE INC: $22,500 · Arts & CultureWINNETKA CO…NAVY SEAL FOUNDATION INC: $12,500 · Arts & CultureNAVY SEAL F…ARTIS-NAPLES INC: $5,000 · Arts & CultureARTIS-NAPLE…GULFSHORE PLAYHOUSE INC: $3,200 · Arts & CultureGULFSHORE P…RAVINIA FESTIVAL ASSOCIATION: $3,000 · Arts & CultureRAVINIA FES…OPERA NAPLES INC: $2,000 · Arts & Culture+1 more: $1,000 · Arts & CultureNAPLES COMMUNITY HOSPITAL INC: $15,000 · HealthMOORINGS PARK FOUNDATION INC: $7,000 · Human ServicesGuadalupe Center Inc: $3,000 · Human ServicesRED PINE CAMP FOUNDATION INC: $4,000 · Youth DevelopmentThe Chicago Community Trust: $2,000 · Philanthropy
Other$226,050Education$118,500Housing & Shelter$51,800Arts & Culture$49,200Health$15,000Human Services$10,000Youth Development$4,000Philanthropy$2,000

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

25%50%75%100%$10M$100Mgrantee revenue →↑ funder's share of their budgetSALISBURY SCHOOL INC: $110,000 over 3y, 0.1% of budgetNORTH SHORE COUNTRY DAY SCHOOL: $52,800 over 3y, 0.1% of budgetWINGS PROGRAM INC: $46,800 over 3y, 0.2% of budgetWINNETKA COMMUNITY HOUSE INC: $22,500 over 3y, 0.2% of budgetNAPLES COMMUNITY HOSPITAL INC: $15,000 over 2y, 0.0% of budgetNAVY SEAL FOUNDATION INC: $12,500 over 3y, 0.0% of budgetPathways Early Education Center of Immokalee Inc: $10,000 over 1y, 0.2% of budgetHATHAWAY BROWN SCHOOL: $7,500 over 3y, 0.0% of budgetMOORINGS PARK FOUNDATION INC: $7,000 over 3y, 0.2% of budgetARTIS-NAPLES INC: $5,000 over 2y, 0.0% of budgetRED PINE CAMP FOUNDATION INC: $4,000 over 2y, 0.1% of budgetGULFSHORE PLAYHOUSE INC: $3,200 over 2y, 0.0% of budgetRAVINIA FESTIVAL ASSOCIATION: $3,000 over 2y, 0.0% of budgetGuadalupe Center Inc: $3,000 over 1y, 0.0% of budgetOPERA NAPLES INC: $2,000 over 2y, 0.1% of budgetThe Chicago Community Trust: $2,000 over 2y, 0.0% of budgetKINGSWOOD OXFORD SCHOOL INC: $1,000 over 1y, 0.0% of budgetCHICAGO PUBLIC MEDIA INC: $1,000 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 SALISBURY SCHOOL INC ↗
  • Who funds NORTH SHORE COUNTRY DAY SCHOOL ↗
  • Who funds WINGS PROGRAM INC ↗
  • Who funds WINNETKA COMMUNITY HOUSE INC ↗
  • Who funds NAPLES COMMUNITY HOSPITAL INC ↗
  • Who funds NAVY SEAL FOUNDATION INC ↗
  • Who funds Pathways Early Education Center of Immokalee Inc ↗
  • Who funds HATHAWAY BROWN SCHOOL ↗
  • Who funds MOORINGS PARK FOUNDATION INC ↗
  • Who funds ARTIS-NAPLES INC ↗
  • Who funds The Housing Alliance Inc ↗
  • Who funds RED PINE CAMP FOUNDATION INC ↗
  • Who funds GULFSHORE PLAYHOUSE INC ↗
  • Who funds RAVINIA FESTIVAL ASSOCIATION ↗
  • Who funds Guadalupe Center Inc ↗
  • Who funds WINGED FOOT SCHOLARSHIP FOUNDATION ↗
  • Who funds OPERA NAPLES INC ↗
  • Who funds The Chicago Community Trust ↗
  • Who funds KINGSWOOD OXFORD SCHOOL 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.

The Ayco Charitable FoundationNY15.7× affinity6 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Ayco Charitable Foundation · Collier Community Foundation Inc · The Bessemer Giving Fund · The Chicago Community Trust · Kohn-Joseloff Foundation Incorporated · Morgan Stanley Global Impact Funding Trust Inc · Gs Donor Advised Philanthropy Fund for Wealth Management Inc · American Endowment Foundation · National Philanthropic Trust · Charities Aid Foundation America · The Bank of America Charitable Foundation Inc · Vanguard Charitable Endowment Program

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 The Frezados Masius Rieger Foundation funds: left to right is the share of its income from government, bottom to top the share from The Frezados Masius Rieger Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 40%0%1%3%5%funder's share of their income ↑0%6%13%19%25%share of the org’s income from government →median 0%
  • Kingswood Oxford School Inc: 0% of income from government
  • Gulfshore Playhouse Inc: 0% of income from government
  • Naples Community Hospital Inc: 0% of income from government
  • Guadalupe Center Inc: 0% of income from government
no gov moneyreceives it· size = income
4get no government money at all
5report 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, 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 The Frezados Masius Rieger Foundation?

Find your warmest path to The Frezados Masius Rieger Foundation 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 44 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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