Sandler O'Neill + Partners

Sandler O'Neill + Partners was a prominent American investment banking firm that specialized in providing strategic advisory and capital markets services to the financial services industry. Founded in 1988, the firm built a reputation as a premier advisor for mergers and acquisitions, capital raising, and equity research, particularly for mid-sized banks and insurance companies. The firm was notably impacted by the September 11 attacks, losing 66 employees, but successfully rebuilt its operations to remain a leader in the Financial Institutions Group (FIG) sector. In January 2020, the company was acquired by Piper Jaffray in a deal valued at approximately $485 million, resulting in the formation of Piper Sandler Companies. While Sandler O'Neill was not a biotechnology company, its successor, Piper Sandler, maintains a significant presence in healthcare and life sciences investment banking.