Shamrock Foundation
Shamrock Foundation is a family foundation based in Austin, Texas. It supports organizations working to empower women and children in need, including through microfinance, education, health, and community services.
Shamrock Foundation at a glance
In short: Shamrock Foundation gave $507K across 16 grants in 2025 (avg $32K), top state Texas. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $506,995
- +70.1% vs 2024
- Grants made (2025)
- 16
- +23.1% vs 2024
- Average grant
- $31,687
- +38.2% vs 2024
- Median grant
- $25,000
- Total assets
- $7,348,531
- +12.9% vs 2024
- Primary geography
- Texas (45% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
How to apply to Shamrock Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 5405 Highland Crest Dr, Austin, TX 78731
Phone: (917) 428-7646
Website: https://shamrockfound.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Shamrock Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Chamber of Mothers ($100K). Together the top 10 received $411K.
Grant Size Distribution
64 grants across all recorded years
The most common grant size was under $50K: 56 grants of 64 (88%).
Geographic Focus
Where this funder awards grants
The foundation’s website says it supports organizations throughout the United States and across the globe. In 2025, 45% of its grant dollars went to recipients in Texas, 20% to New Jersey, 17% to New York, 7% to North Carolina, and 5% to Colorado.
Grant Distribution by State
Share of 2025 grant dollars across all 16 itemized grants.
States
Cities
How Shamrock Foundation gives
- 75% of 2025 grantees were also funded in 2024. Method
- Giving grew 266% from 2022 to 2025. Method
- In 2025 it paid out 108% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $5K (2019) to $507K (2025). In 2025 it made 16 grants totaling $507K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Chamber of Mothers Springfield, NJ | To Support the Organization | $100,000 |
| Any Baby Can Austin, TX | To Support the Organization | $50,000 |
| Every Mother Counts New York, NY | To Support the Organization | $50,000 |
| Partners in Parenting Austin, TX | To Support the Organization | $35,650 |
| Family Connects International Durham, NC | To Support the Organization | $35,000 |
| Saint Louise House Austin, TX | To Support the Organization | $35,000 |
| Giving Austin Labor Support (Gals) Austin, TX | To Support the Organization | $30,000 |
| A Better Balance New York, NY | To Support the Organization | $25,000 |
| Austin Diaper Bank Austin, TX | To Support the Organization | $25,000 |
| Nurse Family Partnership Denver, CO | To Support the Organization | $25,000 |
Ready to take the next step with Shamrock Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $7,348,531 | $2,409,956 | $560,171 | $506,995 | 16 | $508,947 | $1,368,542 | $469,265 |
| 2024 | $6,507,315 | $2,287,002 | $347,238 | $298,000 | 13 | $300,890 | $1,245,504 | $384,243 |
| 2023 | $5,589,716 | $2,194,386 | $528,729 | $477,923 | 13 | $480,548 | $1,158,819 | $283,371 |
| 2022 | $4,925,838 | $2,151,793 | $180,995 | $138,650 | 7 | $141,358 | $1,122,540 | $275,448 |
| 2021 | $3,957,841 | $683,567 | $323,448 | $296,500 | 15 | $298,512 | $557,455 | $276,695 |
| 2020 | $3,677,240 | $194,420 | $263,236 | $239,000 | 18 | — | $80,108 | $230,574 |
| 2019 | $3,746,056 | $241,906 | $28,808 | $5,000 | 1 | — | $108,655 | $223,171 |
Under IRS private-foundation payout rules, Shamrock Foundation reported a distributable amount of $469K for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation says it works to empower women and children in need by partnering with organizations engaged in microfinance, education, and health and community services.
Its grantees’ stated missions illustrate some of the work it supports. Partners in Parenting says it eases the transition to parenthood through neighborhood-based parent groups that strengthen and empower families. Austin Diaper Bank says it provides diapers to people in need in Greater Austin. Every Mother Counts describes its work as advancing evidence-based strategies to address the global maternal health crisis and improve maternal health outcomes and care. A Better Balance describes itself as a legal advocacy organization promoting workplace equality and expanding choices so people can care for their families without sacrificing economic security.
Grantmaking
In filing year 2025, the foundation reported 16 grants totaling $506,995. Grant amounts ranged from $1,345 to $100,000, with a median grant of $25,000.
Among its largest 2025 grants were $100,000 to Chamber of Mothers in Springfield, New Jersey; $50,000 each to Any Baby Can in Austin, Texas, and Every Mother Counts in New York, New York; and $35,650 to Partners in Parenting in Austin. The foundation also gave $35,000 each to Family Connects International in Durham, North Carolina, and Saint Louise House in Austin.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Shelley M. Mattingly as president, and Catharine O. Edwardson and John J. Mattingly as directors.
Shamrock Foundation is led by Shelley M. Mattingly, President on every filing since 2019; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Shelley M. Mattingly
President
On filings since 2019
5 hrs/week
No compensation reported
Catharine O. Edwardson
Director
On filings since 2019
1 hr/week
No compensation reported
John J. Mattingly
Director
On filings since 2019
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Shamrock Foundation
How much does Shamrock Foundation give each year?
Shamrock Foundation gave $507K across 16 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $298K across 13 grants.
What is Shamrock Foundation's typical grant size?
Shamrock Foundation's median grant in 2025 was $25,000, and its average grant was $31,687, across 16 grants on its 2025 IRS Form 990-PF.
Where does Shamrock Foundation give grants?
Shamrock Foundation's top state is Texas, with 45% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were New Jersey (20%) and New York (17%). The most frequent recipient cities were Austin, TX (7 grants) and New York, NY (3 grants).
Does Shamrock Foundation give general operating support?
Not in 2025: none of the 16 grants with a stated purpose on Shamrock Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "To Support the Organization" (16 grants).
Who are Shamrock Foundation's largest grantees?
Shamrock Foundation's largest 2025 grantees include Chamber of Mothers ($100,000), Any Baby Can ($50,000) and Every Mother Counts ($50,000), according to its 2025 IRS Form 990-PF. Together they received 39% of its itemized 2025 grant dollars.
How large is Shamrock Foundation?
Shamrock Foundation reported $7.3M in total assets on its 2025 IRS Form 990-PF. It paid out $509K in qualifying distributions that year, against a required minimum of $469K (roughly 5% of its investment assets).
What does Shamrock Foundation fund?
The foundation says it works to empower women and children in need by partnering with organizations engaged in microfinance, education, and health and community services. See mission & focus areas ↑
How do I apply for a grant from Shamrock Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Shamrock Foundation's EIN?
Shamrock Foundation's EIN (Employer Identification Number) is 06-1720127. IRS Form 990 filing data is available on this page for 2019–2025.
Does Shamrock Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 6, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 6, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Shamrock Foundation's focus areas in our free grants database
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Cite this profile
Grantable. (2026). Shamrock Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/shamrock-foundation-morg_81a52494754944439bef94343bbaebb8
BibTeX
@misc{grantable_061720127_2026,
author = {{Grantable}},
title = {{Shamrock Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/shamrock-foundation-morg_81a52494754944439bef94343bbaebb8},
note = {Accessed 2026-10-15. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Shamrock Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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