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Texas · Private foundation

Shamrock Foundation

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.

$507k
Granted FY2025(still arriving)
16
Grants FY2025
13
Organizations funded FY2024
31%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$25,000
Largest grant, FY2025
$100,000
Organizations funded a year
1 to 17
FY2018 to FY2024
States reached, FY2025
8
Total assets, FY2025
$7.3M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 31% of the organizations Shamrock Foundation funded were first-time grantees, receiving 11% of its grant dollars.

New vs renewed · share of each year

In FY2024, 89% of grant dollars renewed an existing relationship; $33k went to new ones.

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

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

’19’20’21’22’23’24
HealthHuman ServicesFood & NutritionInternationalPublic BenefitPhilanthropyOther
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 arriving15$497k20%
FY202413$298k31%
FY202313$478k15%
FY20227$139k14%
FY202115$297k53%
FY202017$229k94%
FY20191$5k0%
FY20185$5kn/a
95% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2018 to 2025.

Human Services$476kHealth$446kEducation$307kHousing & Shelter$179kCivil Rights$142kFood & Nutrition$106kPhilanthropy$95kInternational$55kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

WA
IL
NY
MA
OR
OH
PA
NJ
CO
MD
AZ
NC
DC
LA
TX

Top grantees

Largest recipients by total granted, FY2018 to FY2025, and the share of each one’s budget the grants supplied at peak.

Show all 30 grantees

What it could do for these grantees

Plus 9 recipients with no EIN on record ($543k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Shamrock Foundation supplied at peak.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetEvery Mother Counts: $200,000 over 5y, 0.8% of budgetVincare Services of Austin Foundation: $159,000 over 5y, 2.0% of budgetChamber of Mothers Inc: $135,000 over 3y, 5.1% of budgetPartners in Parenting: $128,650 over 5y, 11% of budgetGiving Austin Labor Support: $122,000 over 6y, 4.3% of budgetCentral Texas Food Bank Inc: $95,000 over 2y, 0.0% of budgetAustin Diaper Bank: $81,000 over 5y, 2.4% of budgetCincinnati Scholarship Foundation: $75,000 over 1y, 4.2% of budgetUnited Way for Greater Austin: $55,000 over 3y, 0.2% of budgetThe Young Center for Immigrant Childrens Rights: $45,000 over 3y, 0.1% of budgetPostpartum Support International: $45,000 over 3y, 0.1% of budgetNurse-Family Partnership: $35,000 over 2y, 0.1% of budgetFamily Connects International: $35,000 over 1y, 0.6% of budgetA Better Balance Inc: $35,000 over 2y, 0.8% of budgetGirl Scouts of Central Texas: $30,000 over 2y, 0.1% of budgetUnited States Fund for Unicef: $25,000 over 1y, 0.0% of budgetPartners in Health a Nonprofit Corporation: $25,000 over 2y, 0.0% of budgetUnited Way of Southwest Louisiana Inc: $20,000 over 1y, 0.4% of budgetBaby Cakes and Brunch: $10,000 over 1y, 1.6% of budgetKeep Austin Fed: $6,000 over 2y, 0.3% of budgetAmerican Immigration Council: $6,000 over 2y, 0.1% of budgetMedecins Sans Frontieres USA Inc: $5,000 over 1y, 0.0% of budgetJeremiah Program: $5,000 over 1y, 0.0% of budgetMobile Loaves & Fishes Inc: $5,000 over 1y, 0.0% of budgetColins Hope: $3,000 over 1y, 0.8% of budgetRefugee & Immigrant Center for Education & Legal Services: $1,000 over 1y, 0.0% of budgetKind Inc: $1,000 over 1y, 0.0% of budgetFlorence Immigrant & Refugee Rights Project 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 28.

Nonprofits that may fit its grantmaking

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.

Austin Community Foundation IncTX19× affinity7 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Austin Community Foundation Inc · St David's Foundation · Episcopal Health Foundation · United Way for Greater Austin · Shield-Ayres Foundation · The Moody Foundation · Better Business Bureau · United Way Worldwide · Shell USA Company Foundation · Charities Aid Foundation America · Enterprise Holdings Foundation · Jpmorgan Chase 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 Shamrock Foundation with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Shamrock Foundation?

Find your warmest path to Shamrock 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 Shamrock Foundation

How much does Shamrock Foundation give?
Shamrock Foundation reported 16 grants totaling $506,995 in its FY2025 IRS filing. It funded between 1 and 17 organizations a year over FY2018 to FY2024.
What does Shamrock Foundation fund?
By grant dollars over FY2018 to FY2025, its largest causes are Human Services (24%), Health (23%), Education (16%).
Who are Shamrock Foundation's largest grantees?
By total granted over FY2018 to FY2025: Every Mother Counts ($200k), Vincare Services of Austin Foundation ($159k), Chamber of Mothers Inc ($135k).
Does Shamrock Foundation fund new organizations?
In FY2024, 31% of the organizations it funded were first-time grantees.
Does Shamrock Foundation 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 Shamrock Foundation?
Its strongest co-funders, measured against what their size predicts, include Austin Community Foundation Inc, St David's Foundation, Episcopal Health Foundation.
Where is Shamrock Foundation based?
Shamrock Foundation is based in TX.

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 41 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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