Indianapolis Symphony Orchestra Foundation Inc
THE INDIANAPOLIS SYMPHONY ORCHESTRA FOUNDATION, INC. (THE "ISO FOUNDATION") WAS FORMED IN SEPTEMBER 1990 FOR THE PURPOSE OF EDUCATING THE PUBLIC AND PROVIDING FINANCIAL AND OTHER SUPPORT TO THE INDIANA SYMPHONY SOCIETY, INC. (THE "SOCIETY"), AN INDIANA NOT-FOR-PROFIT CORPORATION THAT OPERATES THE INDIANAPOLIS SYMPHONY ORCHESTRA. IT IS THE GENERAL PRACTICE OF THE SOCIETY TO TRANSFER CONTRIBUTIONS RAISED, OTHER THAN ANNUAL FUND CONTRIBUTIONS, TO THE ISO FOUNDATION UNLESS A DONOR SPECIFICALLY REQUIRES THE CONTRIBUTION TO BE MAINTAINED BY THE SOCIETY. ALL FUNDRAISING EXPENSES ARE RECORDED AND REPORTED IN THE SOCIETY'S ACCOUNTS.
Financial Overview
From 2024 IRS Form 990-PF
Total Assets
$121.1M
+5.4% YoY
Annual Giving
$6.7M
+5.8% YoY
Grant Count
1
+0.0% YoY
Avg Grant Size
$6.7M
+5.8% YoY
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Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $121,112,166 | $114,922,418 | $117,619,288 |
| Revenue | $8,910,190 | $7,393,933 | $9,602,897 |
| Expenses | $8,504,642 | $7,777,735 | $8,157,454 |
| Qualifying Distributions | — | — | — |
| Net Investment Income | $4,709,318 | $5,379,874 | $8,142,825 |
| Distributable Amount | — | — | — |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
7 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
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Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JILL MARGETTS | TREASURER | 2 | — |
| JOHN R THORNBURGH | CHAIR | 2 | — |
| ROBERT D RAMSEY | SECRETARY | 2 | — |
| MARK MUTZ | DIRECTOR | 2 | — |
| MARTHA LAMKIN | DIRECTOR | 2 | — |
| SCOTT DAVIS | DIRECTOR | 2 | — |
| SUSAN RIDLEN | DIRECTOR | 2 | — |
| TOM GREIN | DIRECTOR | 2 | — |
Geographic Focus
Where this funder has awarded grants
Grant Distribution by State
States
Cities
Data last updated March 2026. Sourced from IRS Form 990-PF filings.
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