Houston Symphony Endowment
To support the operations of the Houston Symphony Society.
Houston Symphony Endowment at a glance
In short: Houston Symphony Endowment gave $4.6M across 2 grants in 2025 (avg $2.3M), mostly in Texas. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $4,606,992
- -1.9% vs 2024
- Grants made (2025)
- 2
- +0.0% vs 2024
- Average grant
- $2,303,496
- -1.9% vs 2024
- Median grant
- $2,303,496
- Total assets
- $103,655,103
- +4.0% vs 2024
- Primary geography
- Texas (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who Houston Symphony Endowment funds
How this funder distributes its grants
Top Recipients
Top recipient in 2025
The largest 2025 recipient was Houston Symphony Society ($4.6M across 2 grants).
Grant Size Distribution
11 grants across all recorded years
The most common grant size was in the $250–500K range: 5 grants of 11 (45%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 2 itemized grants.
States
Cities
How Houston Symphony Endowment gives
- Giving grew 21% from 2022 to 2025. Method
From the foundation's IRS Form 990 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 $3.5M (2021) to $5.3M (2020). In 2025 it made 2 grants totaling $4.6M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Houston Symphony Society Houston, TX | Support ongoing operations | $4,206,992 |
| Houston Symphony Society Houston, TX | Admin & fundraising expenses | $400,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $103,655,103 | $5,137,397 | $5,153,086 | $4,606,992 | 2 | $3,382,072 |
| 2024 | $99,665,896 | $10,003,007 | $5,013,137 | $4,695,893 | 2 | $1,913,472 |
| 2023 | $86,515,822 | $5,113,564 | $4,500,976 | $4,159,432 | 2 | $1,643,784 |
| 2022 | $87,456,110 | $3,071,634 | $4,034,226 | $3,803,962 | 2 | $2,540,974 |
| 2021 | $90,419,052 | $3,639,134 | $3,656,998 | $3,517,701 | 3 | $3,169,681 |
| 2020 | $73,523,933 | $2,650,050 | $5,469,767 | $5,302,023 | 3 | $333,914 |
| 2019 | $75,471,987 | $2,200,422 | $3,791,934 | $3,759,147 | 2 | $1,791,150 |
About Houston Symphony Endowment
Based on IRS filings
Houston Symphony Endowment is a public charity focused on Arts, Culture & Humanities, based in Houston, TX. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $103.7M in total assets. In 2025, it awarded 2 grants totaling $4.6M. Net investment income was $3.4M.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Houston Symphony Endowment is led by John Mangum, Symphony CEO on every filing since 2021; none of the 9 officers listed in 2025 report compensation.
Officers on the 2025 filing
John Mangum
Symphony CEO
On filings since 2021
4 hrs/week
No compensation reported
Gary Ginstling
Symphony CEO
New on the 2025 filing
4 hrs/week
No compensation reported
James Lee
President
Trustee → President, 2023
On filings since 2019
0.5 hrs/week
No compensation reported
Lynn Mathre
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
Scott Wise
Trustee
On filings since 2020
0.5 hrs/week
No compensation reported
David Krieger
Trustee
On filings since 2021
0.5 hrs/week
No compensation reported
Ajay Khurana
Trustee
On filings since 2024
0.5 hrs/week
No compensation reported
David Key
Trustee
New on the 2025 filing
0.5 hrs/week
No compensation reported
Elizabeth Condic
CFO
On filings since 2021
4 hrs/week
No compensation reported
Former officers (7)
- Former: William Dee Hunt (2023–2024) — Trustee
- Former: Jerome Simon (2023) — Trustee
- Former: Gene Dewhurst (2019–2022) — Trustee
- Former: Jerry Simon (2019–2022) — Trustee
- Former: William Toomey II (2019–2022) — President
- Former: Alexandra Pruner (2019) — President
- Former: Fredric Weber (2019) — Trustee
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.
Frequently asked questions about Houston Symphony Endowment
How much does Houston Symphony Endowment give each year?
Houston Symphony Endowment gave $4.6M across 2 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $4.7M across 2 grants.
How large is Houston Symphony Endowment?
Houston Symphony Endowment reported $103.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $5.1M.
What is Houston Symphony Endowment?
Houston Symphony Endowment is a public charity focused on Arts, Culture & Humanities, based in Houston, TX. It holds $103.7M in total assets as of 2025.
Where does Houston Symphony Endowment operate?
Houston Symphony Endowment has awarded grants in Texas.
What is Houston Symphony Endowment's EIN?
Houston Symphony Endowment's EIN (Employer Identification Number) is 20-8350227. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2022 (received by the IRS April 11, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS April 9, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS April 10, 2025)
- Updated Form 990 for fiscal year 2025 (received by the IRS April 14, 2026)
- Updated Form 990 for fiscal year 2019 (received by the IRS January 27, 2020)
- Updated Form 990 for fiscal year 2020 (received by the IRS April 14, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS October 14, 2021)
- IRS filings on file for fiscal years 2019–2025
Explore Open Grants
Browse active grant opportunities in Houston Symphony Endowment's focus areas in our free grants database
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