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267 West 71st Owners Corp is a New York, NY-based company in the Financial Services sector.
Crestone Capital Advisors is a Boulder, CO-based company in the Financial Services sector.
Lek Securities is a New York, NY-based company in the Financial Services sector.
Versant Partners Inc. is a Montreal, QC-based company in the Financial Services sector.
The International Securities Exchange Holdings, Inc. (ISE Holdings) is the owner and operator of three electronic options exchanges: ISE, ISE Gemini, and ISE Mercury. Through its comprehensive exchange offering, ISE Options delivers a superior trading experience to its member firms through its patented market structure, industry-leading technology, unique functionality for trading complex orders, and award-winning customer service. In addition to its options business, ISE Holdings also operates ISE ETF Ventures, which provides its partners with a broad range of capabilities in index development, index licensing, financing, and marketing of exchange-traded products. Total assets under management for ETPs tied to ISE ETF Ventures is approximately $3 billion. ISE Holdings also owns Longitude and licenses its proprietary technology for event-driven applications in a diverse range of industries.