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California · Public charity

Mariucci Family Foundation

The foundation will make grants to charities having proven track records of delivering services to and supporting underserved youth and their families by providing access to sports, recreational and therapeutic programs, nutrition, education and healthcare.

$484k
Granted FY2025(still arriving)
5
Itemized grants FY2025
3
Organizations funded FY2024
67%
First-time grantees FY2024
Read the full brief
Itemized, FY2025
$374k
The rest is grants the schedule does not break out
Median grant, FY2025
$50,000
Largest grant, FY2025
$137,000
Organizations funded a year
2 to 6
FY2018 to FY2024
States reached, FY2025
3
Total assets, FY2025
$1.2M

How open it is to new grantees

In FY2024, 67% of the organizations Mariucci Family Foundation funded were first-time grantees, receiving 9% of its grant dollars.

New vs renewed · share of each year

In FY2024, 91% of grant dollars renewed an existing relationship; $10k went to new ones.

50%100%’18’19’20’21’22’23’24
RenewedFirst-time

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

’18’19’20’21’22’23’24
Recreation & SportsCrime & LegalArts & CultureEducationOther
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
FY2025still arriving5$374k20%
FY20243$110k67%
FY20232$175k50%
FY20222$410k0%
FY20214$434k50%
FY20204$82k25%
FY20196$237k17%
FY20186$105k0%
100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Housing & Shelter$1.2MRecreation & Sports$356kPublic Safety & Disaster$145kArts & Culture$116kEducation$115kHealth$35kReligion$25k

Top grantees

Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Hospitality House of the Upper Peninsula$1,222,000935%
Special Olympics Northern California Inc$310,90031%
Los Gatos-Monte Sereno Police Foundation$110,000226%
California Polytechnic State University$100,0001n/a
Montalvo Association$71,00041%
Creativets$45,00021%
Football Camp for the Stars$45,000654%
Santa Clara Firefighters Foundation$35,0001n/a
Holy Family$25,0002n/a
The Taylor Family Foundation$15,00030%
Show all 14 grantees
All grantees of Mariucci Family Foundation by total granted
GranteeTotal grantedYearsShare of their budget
Hospitality House of the Upper Peninsula$1,222,000935%
Special Olympics Northern California Inc$310,90031%
Los Gatos-Monte Sereno Police Foundation$110,000226%
California Polytechnic State University$100,0001n/a
Montalvo Association$71,00041%
Creativets$45,00021%
Football Camp for the Stars$45,000654%
Santa Clara Firefighters Foundation$35,0001n/a
Holy Family$25,0002n/a
The Taylor Family Foundation$15,00030%
Dickinson County Cancer Unit$15,00039%
Los Gatos High School New Millennium Foundation$10,00013%
Iron Mountain Road & Trail Half Marathon$5,0001n/a
University of San Diego$5,00010%

Where it is load-bearing

Mariucci Family Foundation supplied at least a quarter of the budget for 3 of its grantees at some point. The chart plots its 10 largest grantees; load-bearing ones sit top left.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetHospitality House of the Upper Peninsula: $1,222,000 over 9y, 35% of budgetSpecial Olympics Northern California Inc: $310,900 over 3y, 1.3% of budgetLos Gatos-Monte Sereno Police Foundation: $110,000 over 2y, 26% of budgetMontalvo Association: $71,000 over 4y, 0.8% of budgetCreativets: $45,000 over 2y, 0.9% of budgetFootball Camp for the Stars: $45,000 over 6y, 54% of budgetThe Taylor Family Foundation: $15,000 over 3y, 0.3% of budgetDickinson County Cancer Unit: $15,000 over 3y, 9.3% of budgetLos Gatos High School New Millennium Foundation: $10,000 over 1y, 2.9% of budgetUniversity of San Diego: $5,000 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 10.

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.

Silicon Valley Community FoundationCA14.7× affinity6 shared granteesties to 7 of 7Hover any node to trace its alignments.Compare side by side →

Open a dossier: Silicon Valley Community Foundation · American Endowment Foundation · Morgan Stanley Global Impact Funding Trust Inc · The Blackbaud Giving Fund · American Online Giving Foundation Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · 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 Mariucci Family Foundation with peer funders

About Mariucci Family Foundation

How much does Mariucci Family Foundation give?
Mariucci Family Foundation reported 5 itemized grants totaling $374,000, out of $484,000 in total grant expense reported on the return in its FY2025 IRS filing. It funded between 2 and 6 organizations a year over FY2018 to FY2024.
What does Mariucci Family Foundation fund?
By grant dollars over FY2017 to FY2025, its largest causes are Housing & Shelter (61%), Recreation & Sports (18%), Public Safety & Disaster (7%).
Who are Mariucci Family Foundation's largest grantees?
By total granted over FY2017 to FY2025: Hospitality House of the Upper Peninsula ($1.2M), Special Olympics Northern California Inc ($311k), Los Gatos-Monte Sereno Police Foundation ($110k).
Does Mariucci Family Foundation fund new organizations?
In FY2024, 67% of the organizations it funded were first-time grantees.
Which funders back the same organizations as Mariucci Family Foundation?
Its strongest co-funders, measured against what their size predicts, include Silicon Valley Community Foundation, American Endowment Foundation, Morgan Stanley Global Impact Funding Trust Inc.
Where is Mariucci Family Foundation based?
Mariucci Family Foundation is based in CA.

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 14 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 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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