01 Advisors, the venture firm of Dick Costolo and Adam Bain, has closed fund two with $325 million Dick Costolo and Adam Bain, renowned early Twitter execs who served as the company’s CEO and its chief operating officer, respectively, have quietly closed a second venture fund just one-and-a-half years after disclosing they’d secured $135 million for a debut fund for their firm, 01 Advisors. According to an SEC filing, they wrapped up their second fund late last week with $325 million in capital commitments from 81 investors. Costolo was unavailable yesterday and Bain declined our request ...