CRT Capital Group, an institutional securities research and brokerage firm, subleased 29,646 square feet at 262 Harbor Dr. in Stamford, CT. The tenant will occupy the entire second floor of the building. Relocation from the company's current headquarters at 1 Fawcett Place in Greenwich, CT, is planned for the summer. Steve Baker of Cushman & Wakefield represented the tenant in the deal. William Cuddy, Budd Wiesenberg, and Robert Caruso of Insignia/ESG represented the sub landlord, Ventiv Health Communications.