Three G Foundation
Three G Foundation is a private foundation based in Houston, Texas. In 2025, it gave $679,500 through 13 grants to organizations in several states, including cultural, educational, medical, and other charitable organizations.
Three G Foundation at a glance
In short: Three G Foundation gave $680K across 13 grants in 2025 (avg $52K), mostly in Florida. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $679,500
- +5.3% vs 2024
- Grants made (2025)
- 13
- -18.8% vs 2024
- Average grant
- $52,269
- +29.6% vs 2024
- Median grant
- $25,000
- Total assets
- $13,370,626
- -0.3% vs 2024
- Primary geography
- Florida (53% 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 Three G Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations.
- Contact
Mailing address: 3310 W Main St, Houston, TX 77098
Phone: (713) 524-5429
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Three G Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Preservation Foundation of Palm Beach Inc ($360K). Together the top 10 received $643K.
Grant Size Distribution
67 grants across all recorded years
The most common grant size was under $50K: 52 grants of 67 (78%).
Geographic Focus
Where this funder awards grants
The 2025 grant dollars went to recipients in Florida (53%), Texas (36%), Washington, DC (6%), New Mexico (4%), and Massachusetts (2%). These shares are as reported.
Grant Distribution by State
Share of 2025 grant dollars across all 13 itemized grants.
States
Cities
How Three G Foundation gives
- 92% of 2025 grantees were also funded in 2024. Method
- Giving grew 36% from 2022 to 2025. Method
- In 2025 it paid out 96% 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 (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 2021 to 2025, annual grant giving ranged from $3K (2021) to $680K (2025). In 2025 it made 13 grants totaling $680K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Preservation Foundation of Palm Beach Inc Palm Beach, FL | General Support | $360,000 |
| MD Anderson Cancer Center Houston, TX | General Support | $62,000 |
| Houston Museum of Natural Science Houston, TX | General Support | $50,000 |
| America First Policy Institute Washington, DC | General Support | $25,000 |
| Georgia Okeeffe Museum Santa Fe, NM | General Support | $25,000 |
| Houston Christian University Houston, TX | General Support | $25,000 |
| Modern Art Museum of Fort Worth Fort Worth, TX | General Support | $25,000 |
| Museum of Fine Arts Houston Houston, TX | General Support | $25,000 |
| The Texas Heart Institute Houston, TX | General Support | $25,000 |
| The Salvation Army of Houston Houston, TX | General Support | $20,500 |
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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 | $13,370,626 | $608,698 | $739,338 | $679,500 | 13 | $689,405 | $530,265 | $715,031 |
| 2024 | $13,409,185 | $617,753 | $692,178 | $645,307 | 16 | $648,346 | $592,704 | $683,045 |
| 2023 | $13,402,453 | $632,503 | $685,840 | $679,189 | 17 | $680,562 | $629,550 | $664,521 |
| 2022 | $13,455,790 | $1,603,926 | $681,555 | $499,950 | 20 | $502,604 | $157,516 | $675,727 |
| 2021 | $12,533,419 | $12,595,990 | $62,571 | $3,000 | 1 | $18,305 | $12,476,724 | $503,371 |
| 2020 | — | $15,305,000 | — | — | — | — | — | $2,159 |
Under IRS private-foundation payout rules, Three G Foundation reported a distributable amount of $715K 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 included support for museums, a university, medical and policy organizations, and other nonprofits. The Houston Museum of Natural Science describes its mission as preserving and advancing knowledge of natural science and maintaining a first-class museum. The Georgia O’Keeffe Museum says it celebrates O’Keeffe’s art, life, and independent spirit. Houston Christian University describes its mission as providing a learning experience centered on academic, spiritual, and professional excellence. The Heritage Foundation says it formulates and promotes conservative public policies.
Grantmaking
In 2025, the foundation made 13 grants totaling $679,500. Grant amounts ranged from $10,000 to $360,000, with a median grant of $25,000. The largest listed grants included $360,000 to the Preservation Foundation of Palm Beach, $62,000 to MD Anderson Cancer Center, and $50,000 to the Houston Museum of Natural Science. Other listed awards included $25,000 each to the America First Policy Institute, Georgia O’Keeffe Museum, Houston Christian University, Modern Art Museum of Fort Worth, Museum of Fine Arts Houston, and The Texas Heart Institute.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Anne W Grimes as president, Martha Hall Grimes as VP/assistant secretary, David Grimes as treasurer, and Melissa Reta as secretary.
Three G Foundation is led by Anne W. Grimes, President on every filing since 2020; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Anne W. Grimes
President
On filings since 2020
1 hr/week
No compensation reported
David Grimes
Treasurer
On filings since 2020
0.3 hrs/week
No compensation reported
Martha Hall Grimes
Vice President & Assistant Secretary
Secretary → Vice President & Assistant Secretary, 2022
On filings since 2020
0.3 hrs/week
No compensation reported
Melissa Reta
Secretary
On filings since 2022
1.5 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 Three G Foundation
How much does Three G Foundation give each year?
Three G Foundation gave $680K across 13 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $645K across 16 grants.
What is Three G Foundation's typical grant size?
Three G Foundation's median grant in 2025 was $25,000, and its average grant was $52,269, across 13 grants on its 2025 IRS Form 990-PF.
Where does Three G Foundation give grants?
Three G Foundation gives mostly in Florida: 53% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Texas (36%) and District of Columbia (6%). The most frequent recipient cities were Houston, TX (7 grants) and Washington, DC (2 grants).
Does Three G Foundation give general operating support?
Yes: 92% of Three G Foundation's 2025 grants with a stated purpose (12 of 13) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Three G Foundation's largest grantees?
Three G Foundation's largest 2025 grantees include Preservation Foundation of Palm Beach Inc ($360,000), MD Anderson Cancer Center ($62,000) and Houston Museum of Natural Science ($50,000), according to its 2025 IRS Form 990-PF. Together they received 69% of its itemized 2025 grant dollars.
How large is Three G Foundation?
Three G Foundation reported $13.4M in total assets on its 2025 IRS Form 990-PF. It paid out $689K in qualifying distributions that year, against a required minimum of $715K (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 Three G Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants included support for museums, a university, medical and policy organizations, and other nonprofits. See mission & focus areas ↑
How do I apply for a grant from Three G Foundation?
The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Three G Foundation's EIN?
Three G Foundation's EIN (Employer Identification Number) is 85-4318097. IRS Form 990 filing data is available on this page for 2020–2025.
Does Three G 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
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 30, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Three G Foundation funder profile. GrantGraph. Retrieved October 14, 2026, from https://grantable.co/funders/three-g-foundation-morg_ac2ad025176a4a8d94748aebbc87699d
BibTeX
@misc{grantable_854318097_2026,
author = {{Grantable}},
title = {{Three G Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/three-g-foundation-morg_ac2ad025176a4a8d94748aebbc87699d},
note = {Accessed 2026-10-14. 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 Three G 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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