BUFFALO, NY--(Marketwired - March 31, 2016) - Rand Capital Corporation (NASDAQ: RAND) ("Rand"), a venture capital company that makes primarily equity investments in companies with emerging product, service or technology concepts, announced today that it closed on the sale of its largest portfolio holding, Gemcor II, LLC ("Gemcor").�Rand had previously announced on January 5, 2016, that it entered into an asset purchase agreement under which it had agreed to the sale of Gemcor.�