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Illinois · Private foundation

The Frezados Masius Rieger Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$207k
Granted FY2025(still arriving)
40
Grants FY2025
30
Organizations funded FY2024
43%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$2,000
Largest grant, FY2025
$50,000
Organizations funded a year
19 to 30
FY2023 to FY2024
States reached, FY2025
8
Total assets, FY2025
$2.9M
Applications
Takes unsolicited applications
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 43% of the organizations The Frezados Masius Rieger Foundation funded were first-time grantees, receiving 17% of its grant dollars.

The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving39$206k28%
FY202430$196k43%
FY202319$72kn/a
91% 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

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

ID
IL
WI
OH
CT
MO
VA
FL

Top grantees

Largest recipients by total granted, FY2023 to FY2025, and the share of each one’s budget the grants supplied at peak.

Show all 19 grantees

What it could do for these grantees

Plus 24 recipients with no EIN on record ($161k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget The Frezados Masius Rieger Foundation supplied at peak.

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 budgetKingswood Oxford School Inc: $1,000 over 1y, 0.0% of budgetChicago Public Media Inc: $1,000 over 1y, 0.0% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 17.

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.

Compare The Frezados Masius Rieger Foundation with peer funders

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.

About The Frezados Masius Rieger Foundation

How much does The Frezados Masius Rieger Foundation give?
The Frezados Masius Rieger Foundation reported 40 grants totaling $207,075 in its FY2025 IRS filing. It funded between 19 and 30 organizations a year over FY2023 to FY2024.
What does The Frezados Masius Rieger Foundation fund?
By grant dollars over FY2023 to FY2025, its largest causes are Education (52%), Housing & Shelter (11%), Arts & Culture (11%).
Who are The Frezados Masius Rieger Foundation's largest grantees?
By total granted over FY2023 to FY2025: Salisbury School Inc ($110k), North Shore Country Day School ($53k), Wings Program Inc ($47k).
Does The Frezados Masius Rieger Foundation fund new organizations?
In FY2024, 43% of the organizations it funded were first-time grantees.
Does The Frezados Masius Rieger Foundation accept unsolicited applications?
Its most recent filing reports that it accepts unsolicited grant applications.
Which funders back the same organizations as The Frezados Masius Rieger Foundation?
Its strongest co-funders, measured against what their size predicts, include The Ayco Charitable Foundation, Collier Community Foundation Inc, The Bessemer Giving Fund.
Where is The Frezados Masius Rieger Foundation based?
The Frezados Masius Rieger Foundation is based in IL.

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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