Samuel B O'Brien Foundation

Private foundation · Grantmaker Des Moines, IA EIN: 81-4616804

The Samuel B O'Brien Foundation is a private foundation based in Des Moines, Iowa. It made 14 grants totaling $40,821 in filing year 2025, supporting charitable organizations including an Iowa amusement park, an environmental organization, a school, and arts organizations.

Samuel B O'Brien Foundation at a glance

In short: Samuel B O'Brien Foundation gave $41K across 14 grants in 2025 (avg $3K), mostly in Iowa. 14% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$40,821
-3.8% vs 2024
Grants made (2025)
14
-12.5% vs 2024
Average grant
$2,916
+9.9% vs 2024
Median grant
$278
Total assets
$464,947
+11.5% vs 2024
New grantees (estimate)
14% first-time grantees (2 of 14, 2025; small sample)
Primary geography
Iowa (96% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Samuel B O'Brien Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. No application process or materials are specified.

Contact

Mailing address: 1303 Bell Ave, Des Moines, IA 50315
Phone: (515) 238-3737

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Samuel B O'Brien Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Historic Arnolds Park: $30KHistoric Arnolds Park$30KIowa Great Lakes Foundation: $6KIowa Great Lakes Foundation$6KShattuck St Mary's School: $1KShattuck St Mary's School$1KDes Moines Metro Opera: $1KDes Moines Metro Opera$1KHeritage Carousel of Des Moines: $1KHeritage Carousel of DesMoines$1KMill Reef Fund: $500Mill Reef Fund$500U of Okoboji Junior Tennis: $300U of Okoboji Junior Tennis$300Brenton Arboretum: $256Brenton Arboretum$256Animal Rescue League: $225Animal Rescue League$225Des Moines Art Center: $140Des Moines Art Center$140

The largest 2025 recipient was Historic Arnolds Park ($30K). Together the top 10 received $40K.

Grant Size Distribution

71 grants across all recorded years

71<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 71 grants of 71 (100%).

Geographic Focus

Where this funder awards grants

In 2025, 96% of grant dollars went to recipients in Iowa, 3% to Minnesota, 1% to Michigan, and less than 1% to Oregon. The listed recipients included organizations in Des Moines and other Iowa communities, as well as grantees in Minnesota and Michigan.

Grant Distribution by State

6states

Share of 2025 grant dollars across all 14 itemized grants.

Cities

Des MoinesIndianolaOkobojiDallas CenterDetroitFaribaultArnolds ParkPortlandSacramentoSanibel

Is Samuel B O'Brien Foundation open to new grantees?

14%

first-time grantees, 2025

In 2025, 2 of 14 grantees (14%) were first-time recipients. With only 14 grantees, that is a small sample: one grantee more or less moves the share by about 7 points. First grants averaged $3K; repeat grants $3K. How we count

Medians: $3K first-time, $241 repeat.

  • 86% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+18%). Method
  • In 2025 it paid out 81% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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

$0$20K$40K$60K16 grants2020 13 grants2021 17 grants2022 11 grants2023 16 grants2024 14 grants2025

From 2020 to 2025, annual grant giving ranged from $26K (2021) to $42K (2024). In 2025 it made 14 grants totaling $41K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Historic Arnolds Park Arnolds Park, IACharitable$30,000
Iowa Great Lakes Foundation Des Moines, IACharitable$6,000
Shattuck St Mary's School Faribault, MNCharitable$1,050
Des Moines Metro Opera Indianola, IACharitable$1,000
Heritage Carousel of Des Moines Des Moines, IACharitable$1,000
Mill Reef Fund Detroit, MICharitable$500
U of Okoboji Junior Tennis Okoboji, IACharitable$300
Brenton Arboretum Dallas Center, IACharitable$256
Animal Rescue League Des Moines, IACharitable$225
Des Moines Art Center Des Moines, IACharitable$140
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$464,947$91,260$43,386$40,82114$40,821$91,260$50,648
2024$417,073$148,253$42,436$42,43616$42,436$75,193$40,949
2023$311,256$19,186$40,309$39,16611$39,166$19,186$31,855
2022$332,379$17,769$37,498$34,70017$34,700$17,769$33,868
2021$351,948$23,260$29,364$26,00613$26,006$23,260$34,187
2020$358,052$25,752$35,706$33,70616—$16,381$26,000

Under IRS private-foundation payout rules, Samuel B O'Brien Foundation reported a distributable amount of $51K 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

No mission statement for the foundation is provided. Its 2025 grants went to organizations whose stated missions include preserving family recreation and the Iowa Great Lakes, supporting education, creating theatrical experiences, and protecting Iowa’s land, water, and wildlife. These are the grantees’ missions, not stated priorities of the foundation.

For example, Historic Arnolds Park says its mission is to provide and preserve family fun in the Iowa Great Lakes area through its amusement park, excursion boat, and maritime museum. The Iowa Great Lakes Foundation says it works to protect and enhance the lakes’ water and air quality. The Des Moines Metro Opera says it creates theatrical experiences and learning opportunities for artists and audiences.

Grantmaking

In filing year 2025, the foundation awarded 14 grants totaling $40,821. Grants ranged from $50 to $30,000, with a median grant of $278. The largest awards included $30,000 to Historic Arnolds Park and $6,000 to the Iowa Great Lakes Foundation. Other listed grants included $1,050 to Shattuck-St. Mary’s School, $1,000 to Des Moines Metro Opera, and $1,000 to Heritage Carousel of Des Moines. The Pearson Lakes Art Center also reported receiving $75 from the foundation in 2025.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Samuel B O’Brien as president, vice president, and secretary.

Samuel B O'Brien Foundation is led by Samuel B. O'Brien, President, Vice President & Secretary on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Samuel B. O'Brien

    President, Vice President & Secretary

    On filings since 2020

    0.3 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "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 Samuel B O'Brien Foundation

How much does Samuel B O'Brien Foundation give each year?

Samuel B O'Brien Foundation gave $41K across 14 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $42K across 16 grants.

What is Samuel B O'Brien Foundation's typical grant size?

Samuel B O'Brien Foundation's median grant in 2025 was $278, and its average grant was $2,916, across 14 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Samuel B O'Brien Foundation that year got $3K on average.

Where does Samuel B O'Brien Foundation give grants?

Samuel B O'Brien Foundation gives mostly in Iowa: 96% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Des Moines, IA (6 grants) and Okoboji, IA (2 grants).

Does Samuel B O'Brien Foundation give general operating support?

Not in 2025: none of the 14 grants with a stated purpose on Samuel B O'Brien Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (13 grants).

Who are Samuel B O'Brien Foundation's largest grantees?

Samuel B O'Brien Foundation's largest 2025 grantees include Historic Arnolds Park ($30,000), Iowa Great Lakes Foundation ($6,000) and Shattuck St Mary's School ($1,050), according to its 2025 IRS Form 990-PF. Together they received 91% of its itemized 2025 grant dollars.

How large is Samuel B O'Brien Foundation?

Samuel B O'Brien Foundation reported $465K in total assets on its 2025 IRS Form 990-PF. It paid out $41K in qualifying distributions that year, against a required minimum of $51K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does Samuel B O'Brien Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants went to organizations whose stated missions include preserving family recreation and the Iowa Great Lakes, supporting education, creating theatrical experiences, and protecting Iowa’s land, water, and wildlife. See mission & focus areas ↑

How do I apply for a grant from Samuel B O'Brien Foundation?

The foundation states that it 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 Samuel B O'Brien Foundation's EIN?

Samuel B O'Brien Foundation's EIN (Employer Identification Number) is 81-4616804. IRS Form 990 filing data is available on this page for 2020–2025.

Does Samuel B O'Brien 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

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS June 8, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Samuel B O'Brien 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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