Public Charity

Indianapolis Symphony Orchestra Foundation Inc

Indianapolis Symphony Orchestra Foundation Inc, of INDIANAPOLIS, IN, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $9.1M in revenue, $11.3M in expenses, $122.9M in total assets. 21 publicly reported grants to this organization, totaling roughly $1.2M, appear in IRS filings.

EIN: 351812636 INDIANAPOLIS, IN Single Organization Support NTEE: A11 Latest filing: 2025
Total Revenue$9.1M
Total Expenses$11.3M
Total Assets$122.9M
Grant Records21
Funding Total$1.2M
Filing Years2021–2025

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.

Where $100 goes at Indianapolis Symphony Orchestra Foundation Inc

How Indianapolis Symphony Orchestra Foundation Inc divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.

$84 Programs the work itself
$16 Management running the organization
$0 Fundraising none reported

No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.

Inside the $84 for programs

$84
Provide financial support to the Indiana Symphony Society, Inc
All program spending
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Sample Grants Received

$25,000
HERITAGE FUND - THE COMMUNITY FOUNDATION OF BARTHOLOMEW COUNTY INC
2025
TO FURTHER THE EXEMPT PURPOSE OF THE ORGANIZATION
$6,431
$85,000
$25,000
$6,339

Showing up to 5 of 21 total records — full history available with membership.

Officers & Directors

TREASURER Jill Margetts
DIRECTOR John R Thornburgh
DIRECTOR Mark A Stempel
CHAIR Mark Mutz
DIRECTOR Martha Lamkin
SECRETARY Robert D Ramsey

Officer compensation and complete director data available with membership.

Top Grant Purposes

Health & Medicine
$590,392 2 grants
General Support
$566,770 16 grants
Arts & Culture
$8,250 2 grants

Financial Trends

Year Revenue Expenses Assets
2025 $9.1M $11.3M $122.9M
2024 $8.9M $8.5M $121.1M
2023 $7.4M $7.8M $114.9M
2022 $9.6M $8.2M $117.6M
2021 $10.5M $7.8M $120.0M

Between 2021 and 2025, reported annual revenue declined from $10.5M to $9.1M (-14%), with total assets most recently reported at $122.9M.

Interactive year-over-year charts and full filing details available with membership.

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