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Wisconsin · Private foundation

Earl and Eugenia Quirk Foundation Inc

Its FY2026 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$235k
Granted FY2026(still arriving)
11
Grants FY2026
10
Organizations funded FY2025
10%
First-time grantees FY2025
Read the full brief
Median grant, FY2026
$10,000
Largest grant, FY2026
$100,000
Organizations funded a year
10 to 13
FY2020 to FY2025
States reached, FY2026
1
Total assets, FY2026
$3.4M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2025, 10% of the organizations Earl and Eugenia Quirk Foundation Inc funded were first-time grantees, receiving 9% of its grant dollars.

New vs renewed · share of each year

In FY2025, 91% of grant dollars renewed an existing relationship; $20k went to new ones.

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

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

’21’22’23’24’25
HealthAnimalsEnvironmentArts & CultureCommunity ImprovementOther
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.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2026still arriving11$235k0%
FY202510$212k10%
FY202411$202k18%
FY202310$174k10%
FY202212$170k42%
FY202113$174k38%
FY202013$224kn/a
100% classified

What it funded, over time

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

Human Services$444kEducation$272kPhilanthropy$105kHealth$99kAnimals$65kYouth Development$63kArts & Culture$53kEnvironment$45kOther$0

Top grantees

Largest recipients by total granted, FY2020 to FY2026, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Glacial Community YMCA Inc$462,00071%
Rock River Community Clinic Inc$94,00051%
Watertown Humane Society Inc$90,00054%
Jefferson County Literacy Council Inc$64,48676%
Watertown Family Connections Inc$61,50078%
Rock River Coalition Inc$47,90255%
Watertown Family Aid Association Inc$39,0006n/a
Watertown Historical Society$22,60024%
Heritage Military Music Foundation Inc$22,29456%
Watertown Area Cares Clinic Inc$20,0001n/a
Show all 15 grantees
All grantees of Earl and Eugenia Quirk Foundation Inc by total granted
GranteeTotal grantedYearsShare of their budget
Glacial Community YMCA Inc$462,00071%
Rock River Community Clinic Inc$94,00051%
Watertown Humane Society Inc$90,00054%
Jefferson County Literacy Council Inc$64,48676%
Watertown Family Connections Inc$61,50078%
Rock River Coalition Inc$47,90255%
Watertown Family Aid Association Inc$39,0006n/a
Watertown Historical Society$22,60024%
Heritage Military Music Foundation Inc$22,29456%
Watertown Area Cares Clinic Inc$20,0001n/a
Crossroads House of Watertown Inc$10,0001n/a
Watertown Public Library$10,0001n/a
Watertown Concert Series$6,0003n/a
Watertown Food Pantry$5,0001n/a
Watertown Main Street Program Inc$3,00013%

Plus 12 recipients with no EIN on record ($434k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Earl and Eugenia Quirk Foundation Inc supplied at peak.

25%50%75%100%$100k$1.0M$10Mgrantee revenue →↑ funder's share of their budgetGlacial Community YMCA Inc: $462,000 over 7y, 0.7% of budgetRock River Community Clinic Inc: $94,000 over 5y, 1.1% of budgetWatertown Humane Society Inc: $90,000 over 5y, 4.2% of budgetJefferson County Literacy Council Inc: $64,486 over 7y, 6.3% of budgetWatertown Family Connections Inc: $61,500 over 7y, 7.6% of budgetRock River Coalition Inc: $47,902 over 5y, 4.9% of budgetWatertown Historical Society: $22,600 over 2y, 4.1% of budgetHeritage Military Music Foundation Inc: $22,294 over 5y, 6.0% of budgetWatertown Main Street Program Inc: $3,000 over 1y, 3.3% 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 9.

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.

Joseph and Sharon Darcey FoundationWI22.1× affinity8 shared granteesties to 3 of 3Hover any node to trace its alignments.Compare side by side →

Open a dossier: Joseph and Sharon Darcey Foundation · The William and Cathy Kwapil Foundation Inc · Greater Watertown Community Health Foundation Inc · Amazonsmile 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.

Compare Earl and Eugenia Quirk Foundation Inc with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Earl and Eugenia Quirk Foundation Inc?

Find your warmest path to Earl and Eugenia Quirk 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.

About Earl and Eugenia Quirk Foundation Inc

How much does Earl and Eugenia Quirk Foundation Inc give?
Earl and Eugenia Quirk Foundation Inc reported 11 grants totaling $235,395 in its FY2026 IRS filing. It funded between 10 and 13 organizations a year over FY2020 to FY2025.
What does Earl and Eugenia Quirk Foundation Inc fund?
By grant dollars over FY2020 to FY2026, its largest causes are Human Services (35%), Education (22%), Philanthropy (8%).
Who are Earl and Eugenia Quirk Foundation Inc's largest grantees?
By total granted over FY2020 to FY2026: Glacial Community YMCA Inc ($462k), Rock River Community Clinic Inc ($94k), Watertown Humane Society Inc ($90k).
Does Earl and Eugenia Quirk Foundation Inc fund new organizations?
In FY2025, 10% of the organizations it funded were first-time grantees.
Does Earl and Eugenia Quirk Foundation Inc accept unsolicited applications?
Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
Which funders back the same organizations as Earl and Eugenia Quirk Foundation Inc?
Its strongest co-funders, measured against what their size predicts, include Joseph and Sharon Darcey Foundation, The William and Cathy Kwapil Foundation Inc, Greater Watertown Community Health Foundation Inc.
Where is Earl and Eugenia Quirk Foundation Inc based?
Earl and Eugenia Quirk Foundation Inc is based in WI.

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 28 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 2026, released 2026. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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