Investment round is second-largest in state's VC history Rochester-based software firm continues to build toward public company status OneStream Software in Rochester has closed on $200 million in new funding, a bridge toward an initial public offering. Rochester-based corporate management software firm OneStream Software LLC has closed on $200 million in new capital, which executives say will serve as a bridge to a planned public offering sometime in the near future. The investment, which was led by New York City-based hedge fund D1 Capital Partners, comes at a valuation of $6 billion, or just more than 3 percent of the company. Also participating in the round were Tiger Global Management LLC and Investment Group of Santa Barbara.