Ernest a Mantzel Foundation
Ernest a Mantzel Foundation is a private foundation, based in Galveston, TX. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $9.3M in total assets. In 2025, it awarded 1 grant totaling $508K. Net investment income was $705K.
Ernest a Mantzel Foundation at a glance
In short: Ernest a Mantzel Foundation gave $508K across 1 grant in 2025 (avg $508K), mostly in Texas. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $508,000
- -7.3% vs 2024
- Grants made (2025)
- 1
- +0.0% vs 2024
- Average grant
- $508,000
- -7.3% vs 2024
- Median grant
- $508,000
- Total assets
- $9,254,019
- +3.9% 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 Ernest a Mantzel Foundation funds
How this funder distributes its grants
Grant Size Distribution
5 grants across all recorded years
The most common grant size was in the $500K–1M range: 3 grants of 5 (60%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2025 grant dollars on its one itemized grant.
States
Cities
How Ernest a Mantzel Foundation gives
- Giving held roughly steady from 2022 to 2025 (−3%). 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 2019 to 2025, annual grant giving ranged from $144K (2021) to $548K (2024). In 2025 it made 1 grant totaling $508K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| See Attached Schedule Galveston, TX | Educational Loan | $508,000 |
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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 |
|---|---|---|---|---|---|---|---|
| 2025 | $9,254,019 | $1,029,931 | $679,272 | $508,000 | 1 | $607,919 | $705,083 |
| 2024 | $8,903,360 | $1,169,909 | $690,992 | $548,000 | 1 | $634,972 | $860,147 |
| 2023 | $8,424,443 | $744,057 | $595,136 | $484,000 | 1 | $545,675 | $452,517 |
| 2022 | $8,275,522 | $453,535 | $670,584 | $523,000 | 1 | $604,116 | $166,818 |
| 2021 | $8,492,571 | $1,123,543 | $265,149 | $144,000 | 1 | $233,382 | $818,124 |
| 2020 | $7,634,299 | $409,517 | $362,746 | $236,000 | 1 | — | $111,489 |
| 2019 | $7,587,528 | $645,378 | $405,385 | $256,000 | 1 | — | $365,423 |
Leadership & Key People
Officers and directors from IRS filings
Ernest a Mantzel Foundation's only listed officer is Frost National Bank, Trustee on every filing since 2019 (compensated).
Officers on the 2025 filing
Frost National Bank
Trustee
On filings since 2019
$80K (2019) → $89K (2025)
Former officers (3)
- Former: Freddie Meier (2019) — Director
- Former: Harris L. Kempner Jr. (2019) — Director
- Former: Katherine Konkel (2019) — Director
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $89K, to Frost National Bank (Trustee).
Frequently asked questions about Ernest a Mantzel Foundation
How much does Ernest a Mantzel Foundation give each year?
Ernest a Mantzel Foundation gave $508K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $548K across 1 grant.
How large is Ernest a Mantzel Foundation?
Ernest a Mantzel Foundation reported $9.3M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $1.0M.
Where does Ernest a Mantzel Foundation operate?
Ernest a Mantzel Foundation has awarded grants in Texas.
What is Ernest a Mantzel Foundation's EIN?
Ernest a Mantzel Foundation's EIN (Employer Identification Number) is 74-6155151. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS April 12, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS May 27, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS October 27, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS April 19, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS June 26, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS April 27, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 7, 2026)
- IRS filings on file for fiscal years 2019–2025
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