Nonprofit · EIN 35-1812636
INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC
Tax-exempt · INDIANAPOLIS, IN 46204
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| August 31, 2025 | 990 | $9,112,572 | $11,319,341 | -$2,206,769 | $122,889,898 | $42,330 | $122,847,568 |
| August 31, 2024 | 990 | $8,910,190 | $8,504,642 | $405,548 | $121,112,166 | $52,749 | $121,059,417 |
| August 31, 2023 | 990 | $7,393,933 | $7,777,735 | -$383,802 | $114,922,418 | $192,080 | $114,730,338 |
Financial details: 990 for the year ended August 31, 2025
Revenue
- Contributions, gifts and grants
- $867,117
- Program service revenue
- $1,250,000
- Investment income
- $6,960,110
- Net gain from sales of assets
- $4,499,722
- Other revenue
- $35,345
Expenses
- Grants and similar amounts paid
- $9,110,679
- Salaries, compensation and benefits (total)
- $0
- Professional fundraising fees
- $0
- Legal fees
- $1,055
- Accounting fees
- $56,430
- Depreciation
- $81,049
- Program services (functional)
- $9,191,728
- Management and general (functional)
- $2,127,613
Balance sheet and other
- Total assets, start of year
- $121,112,166
- Total assets, end of year
- $122,889,898
- Total liabilities, end of year
- $42,330
- Net assets, end of year
- $122,847,568
- Land, buildings and equipment
- $3,654,474
- Publicly traded securities
- $24,187,734
- Net assets without donor restrictions
- $71,615,337
- Net assets with donor restrictions
- $51,232,231
- Gross unrelated business income
- $364,819
- Gross receipts
- $19,157,216
- Employees
- 0
- Volunteers
- 9
- Year formed
- 1990
- State of legal domicile
- IN
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended August 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JILL MARGETTS | TREASURER Trustee or director, Officer | 2 | $0 |
| MARK MUTZ | CHAIR Trustee or director, Officer | 2 | $0 |
| ROBERT D RAMSEY | SECRETARY Trustee or director, Officer | 2 | $0 |
| JOHN R THORNBURGH | DIRECTOR Trustee or director | 2 | $0 |
| MARK A STEMPEL | DIRECTOR Trustee or director | 2 | $0 |
| MARTHA LAMKIN | DIRECTOR Trustee or director | 2 | $0 |
| SCOTT DAVIS | DIRECTOR Trustee or director | 2 | $0 |
| SUSAN RIDLEN | DIRECTOR Trustee or director | 2 | $0 |
| TOM GREIN | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended August 31, 2024: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JILL MARGETTS | TREASURER Trustee or director, Officer | 2 | $0 |
| JOHN R THORNBURGH | CHAIR Trustee or director, Officer | 2 | $0 |
| ROBERT D RAMSEY | SECRETARY Trustee or director, Officer | 2 | $0 |
| MARK MUTZ | DIRECTOR Trustee or director | 2 | $0 |
| MARTHA LAMKIN | DIRECTOR Trustee or director | 2 | $0 |
| SCOTT DAVIS | DIRECTOR Trustee or director | 2 | $0 |
| SUSAN RIDLEN | DIRECTOR Trustee or director | 2 | $0 |
| TOM GREIN | DIRECTOR Trustee or director | 2 | $0 |
990 for the year ended August 31, 2023: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JILL MARGETTS | TREASURER Trustee or director, Officer | 2 | $0 |
| JOHN R THORNBURGH | CHAIR Trustee or director, Officer | 2 | $0 |
| ROBERT D RAMSEY | SECRETARY Trustee or director, Officer | 2 | $0 |
| MARK MUTZ | DIRECTOR Trustee or director | 2 | $0 |
| MARTHA LAMKIN | DIRECTOR Trustee or director | 2 | $0 |
| SCOTT DAVIS | DIRECTOR Trustee or director | 2 | $0 |
| SUSAN RIDLEN | DIRECTOR Trustee or director | 2 | $0 |
| TOM GREIN | DIRECTOR Trustee or director | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 32 E WASHINGTON ST STE 600, INDIANAPOLIS, IN 46204-2919
- Principal officer (990 for 2024)
- Jill Margetts, 32 EAST WASHINGTON STREET 600, INDIANAPOLIS, IN 462042919
- Signed the 990
- JENNIFER JANIK, CFO
- Phone
- (317) 262-1100
- Return prepared by
- CROWE LLP
Mission
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.
Program accomplishments
- Provide financial support to the Indiana Symphony Society, Inc. to assist with educational, artistic, operating, and facility purposes as well as community service to the greater Indianapolis area.Expenses $9,191,728 · grants $9,110,679 · revenue $1,250,000
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in August, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | August 31, 2026 | January 15, 2027 | Not due yet |
| 2024 | August 31, 2025 | January 15, 2026 | 990 on file |
| 2023 | August 31, 2024 | January 15, 2025 | 990 on file |
IRS record
- EIN
- 35-1812636
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization, Type III functionally integrated
- Donations deductible (Pub 78)
- Supporting organization, 50% limit
- Exempt since
- 2026
- Accounting year ends
- August
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A110)
- Assets (IRS master file)
- $122,889,898
- Income (IRS master file)
- $19,157,216
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | August 2025 | $9,112,572 | $11,319,341 | $122,889,898 | XML |
| 990-T | August 2025 | – | – | – | IRS |
| 990 | August 2024 | $8,910,190 | $8,504,642 | $121,112,166 | XML |
| 990-T | August 2024 | – | – | – | IRS |
| 990 | August 2023 | $7,393,933 | $7,777,735 | $114,922,418 | XML |
| 990-T | August 2023 | – | – | – | IRS |
| 990 | August 2022 | $9,602,897 | $8,157,454 | $117,619,288 | IRS |
| 990-T | August 2022 | – | – | – | IRS |
| 990 | August 2021 | – | – | – | IRS |
| 990-T | August 2021 | – | – | – | IRS |
| 990 | August 2020 | – | – | – | IRS |
| 990 | August 2019 | – | – | – | IRS |
| 990 | August 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 35-1812636).
Questions about INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC
- What is the EIN of INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC?
- The employer identification number (EIN) of INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC is 35-1812636.
- Is INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2026.
- Are donations to INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
- Which annual return does INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC due?
- The return for tax year 2025 (the year ending August 31, 2026) is due January 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended August 2025.
- Who is the principal officer of INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC?
- The 990 for the year ended August 31, 2025 names Jill Margetts.
- Who are the officers and directors of INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC?
- The 990 for the year ended August 31, 2025 lists 9 people; 0 received compensation from the organization.
- How much revenue does INDIANAPOLIS SYMPHONY ORCHESTRA FOU NDATION INC have?
- On its 990 for the year ended August 31, 2025 it reported revenue of $9,112,572, expenses of $11,319,341 and total assets of $122,889,898 at year end.
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