International Securities Exchange Holdings, Inc. is a wholly owned subsidiary of American multinational financial services corporation Nasdaq, Inc. It is a member of the Options Clearing Corporation and the Options Industry Council. Wikipedia
Parent organization: Nasdaq
Founder: William A. Porter
Subsidiaries: International Securities Exchange, LLC, Longitude S.A., Topaz Exchange, LLC, and more
Founded: May 26, 2000
Headquarters: New York, NY
Source: S&P Global Market Intelligence