Sam & Ada Petro Foundation
Sam & Ada Petro Foundation is a private foundation, based in Houston, TX. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $112K in total assets. In 2025, it awarded 3 grants totaling $4K.
Sam & Ada Petro Foundation at a glance
In short: Sam & Ada Petro Foundation gave $4K across 3 grants in 2025 (avg $1K), mostly in Texas. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $3,582
- +59.2% vs 2024
- Grants made (2025)
- 3
- +50.0% vs 2024
- Average grant
- $1,194
- +6.1% vs 2024
- Median grant
- $1,082
- Total assets
- $112,424
- -4.1% vs 2024
- Primary geography
- Texas (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Sam & Ada Petro Foundation funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Houston Methodist Hospital Foundation ($2K). Together the top 3 received $4K.
Grant Size Distribution
19 grants across all recorded years
The most common grant size was under $50K: 19 grants of 19 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
Cities
How Sam & Ada Petro Foundation gives
- Giving fell 80% from 2022 to 2025. Method
- In 2025 it paid out 75% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $2K (2024) to $18K (2022). In 2025 it made 3 grants totaling $4K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Houston Methodist Hospital Foundation Houston, TX | Support of program to provide the best possible health care for every member of our community conduct advanced medical research and educate our community through outreach programs. | $1,500 |
| MD Anderson Cancer Center Houston, TX | Support of programs that integrate patient care, research and prevention, and through education for undergraduate and graduate students, trainees, professionals, employees and the public. | $1,082 |
| Alzhemier's Association Houston, TX | Support of programs to end alzheimer's by accelerating global research, driving risk reduction and early detection, and maximizing quality care and support. | $1,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Expenses | Grants paid | Grants | Qualifying Distributions | Distributable Amount |
|---|---|---|---|---|---|---|
| 2025 | $112,424 | $4,752 | $3,582 | 3 | $4,042 | $5,367 |
| 2024 | $117,176 | $3,469 | $2,250 | 2 | $2,723 | $5,802 |
| 2023 | $120,645 | $17,154 | $16,000 | 5 | $16,452 | $6,496 |
| 2022 | $137,799 | $20,424 | $18,250 | 4 | $19,110 | $7,205 |
| 2021 | $158,223 | $9,083 | $9,006 | 5 | $9,037 | $7,962 |
| 2020 | $167,306 | $13,860 | $12,806 | 7 | — | $8,542 |
Under IRS private-foundation payout rules, Sam & Ada Petro Foundation reported a distributable amount of $5K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Sam & Ada Petro Foundation is led by Sam Petro Jr., Director on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2025 filing
Sam Petro Jr.
Director
On filings since 2020
2 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 Sam & Ada Petro Foundation
How much does Sam & Ada Petro Foundation give each year?
Sam & Ada Petro Foundation gave $4K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $2K across 2 grants.
What is Sam & Ada Petro Foundation's typical grant size?
Sam & Ada Petro Foundation's median grant in 2025 was $1,082, and its average grant was $1,194, across 3 grants on its 2025 IRS Form 990-PF.
Where does Sam & Ada Petro Foundation give grants?
Sam & Ada Petro Foundation gives mostly in Texas: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Houston, TX (3 grants).
Does Sam & Ada Petro Foundation give general operating support?
Not in 2025: none of the 3 grants with a stated purpose on Sam & Ada Petro Foundation's 2025 IRS Form 990-PF were described as general or operating support.
How large is Sam & Ada Petro Foundation?
Sam & Ada Petro Foundation reported $112K in total assets on its 2025 IRS Form 990-PF. It paid out $4K in qualifying distributions that year, against a required minimum of $5K (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 is Sam & Ada Petro Foundation's EIN?
Sam & Ada Petro Foundation's EIN (Employer Identification Number) is 54-6587689. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 11, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 13, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS May 10, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 13, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 23, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Sam & Ada Petro Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Alamo Kiwanis Club Charities Funding Request Due October 31, 2026
- Women's Health Fund Grants Circle of Friends: Up to $2,000; Women's Giving Circle: In excess of $2,000 · Due October 31, 2026
- Besse Johnson & George Blanton Allen Memorial Foundation Grant Average grant $1,000–$5,000 · Due October 31, 2026
Explore Open Grants
Browse active grant opportunities in Sam & Ada Petro Foundation's focus areas in our free grants database
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