Adan A Rios Foundation

Private foundation · Grantmaker Houston, TX EIN: 76-0587814

Adan A Rios Foundation is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in Houston, TX. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $713 in total assets. In 2024, it made $2K in qualifying distributions.

Adan A Rios Foundation at a glance

Total assets
$713
-78.0% vs 2023
Qualifying distributions (2024)
$2,218
-20.0% vs 2023
Expenses (2024)
$2,523
-32.2% vs 2023
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who Adan A Rios Foundation funds

How this funder distributes its grants

Grant Size Distribution

9 grants across all recorded years

9<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 9 grants of 9 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

States

Cities

Houston

How Adan A Rios Foundation gives

  • Giving grew 247% from 2020 to 2023. Method
  • In 2024 it paid out well above its IRS minimum distribution (the 5% rule). 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

$0$2K$4K$6K1 grant2020 2 grants2021 2 grants2022 4 grants2023 0 grants2024

From 2020 to 2023, annual grant giving ranged from $800 (2020) to $4K (2022). In 2023 it made 4 grants totaling $3K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Theatre Under the Stars Houston, TXYouth Arts program, The River$1,034
Casa Esperanza-Panama Houston, TXBooks$900
2 grants to individuals Recipients not named —$840
Your AI grants department

Ready to take the next step with Adan A Rios Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsDistributable Amount
2024$713—$2,523——$2,218$110
2023$3,236$5,000$3,723$2,7744$2,774$200
2022$1,959—$4,326$4,0652$4,065$153
2021$6,285$1,708$3,346$2,0002$2,000$372
2020$7,923—$1,863$8001—$452

Under IRS private-foundation payout rules, Adan A Rios Foundation reported a distributable amount of $110 for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Adan A Rios Foundation is led by Adan A Rios MD, President on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2024 filing

  • Adan A Rios MD

    President

    On filings since 2020

    0.1 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "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 Adan A Rios Foundation

How large is Adan A Rios Foundation?

Adan A Rios Foundation reported $713 in total assets on its 2024 IRS Form 990-PF. It paid out $2K in qualifying distributions that year, against a required minimum of $110 (roughly 5% of its investment assets).

What is Adan A Rios Foundation?

Adan A Rios Foundation is a private foundation focused on Diseases, Disorders & Medical Disciplines, based in Houston, TX. It holds $713 in total assets as of 2024.

Where does Adan A Rios Foundation operate?

Adan A Rios Foundation has awarded grants in Texas.

What is Adan A Rios Foundation's EIN?

Adan A Rios Foundation's EIN (Employer Identification Number) is 76-0587814. IRS Form 990 filing data is available on this page for 2020–2024.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in Adan A Rios Foundation's focus areas in our free grants database

Similar Funders

Funders with grantees in common, and similar funders in Texas

Hamill Foundation

Houston, TX

The Hamill Foundation supports social services, education, health and medical research, animal welfare, children’s programs, and the arts, primarily in Texas. Its 2024 grants ranged from $5,000 to $1 million, with a median of $150,000. It funds only preselected organizations and does not accept unsolicited requests.

Assets

$212.4M

Grants

81

Total Given

$14.9M

Jack and Annis Bowen Foundation

Houston, TX

The Jack and Annis Bowen Foundation supports a range of charitable work, including food access, housing, violence prevention, children’s welfare, disability services, mental health, and the arts, with a strong focus on Texas, especially Houston. Its 2025 grants ranged from $1,000 to $6,000, with a median of $3,000. It gives only to preselected organizations and does not accept unsolicited requests.

Assets

$839K

Grants

27

Total Given

$81K

MD Anderson Foundation

Houston, TX

The MD Anderson Foundation funds tax-exempt organizations working in health and medicine, education, arts and culture, and improving the lives of underserved people, primarily in Houston and Harris County, Texas. In 2024, grants ranged from $7,500 to $360,000, with a median of $50,000. It accepts written applications from tax-exempt organizations; no deadline is stated.

Assets

$107.0M

Grants

75

Total Given

$6.2M

The Morabito Family Foundation

Houston, TX

Assets

$2.5M

Grants

7

Total Given

$135K

CenterPoint Energy Foundation Inc

Houston, TX

The CenterPoint Energy Foundation funds community vitality and education, including affordable housing, environmental stewardship, community spaces, literacy, STEM, and workforce development. It awarded grants from $250 to $2.9 million in 2025, with a median of $15,000, to eligible organizations in Indiana, Minnesota, Ohio, and Texas. Although it offers online application cycles, its 2025 filing says it does not accept unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$52.6M

Grants

483

Total Given

$18.4M

Mechia Foundation

Beaumont, TX

The Mechia Foundation supports education, arts and culture, health, and other community needs, with most funding going to Texas organizations. Its 2024 grants ranged from $75 to $42,250, with a median of $1,100. It funds only preselected charitable organizations and does not accept unsolicited requests.

Assets

$1.8M

Grants

234

Total Given

$729K

More similar funders

More Funders in Texas

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

Figures come from Adan A Rios 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.

Adan A Rios Foundation down — hundreds of funders to go?

Want AI to do this for you?