Senator Investment Group, founded in 2008, was a hedge fund sponsor based in New York, New York, providing services to pooled investment vehicles.
The firm was established by Douglas Silverman and Alexander Klabin, who both previously worked at York Capital Management. Klabin specialized in private investments, value investing, distressed debt, and special situations, while Silverman focused on event-driven investing. Silverman also gained experience as an investment banker in Merrill Lynch's leveraged finance department. He holds a B.A. in economics from Princeton University. At its peak, Senator managed over $2.5 billion in assets under management (AUM).
Senator Investment Group had 10 clients and a discretionary AUM of $5,344,342,057 as of March 15, 2024. Their last reported 13F filing for Q1 2024 included $2,197,568,025 in managed 13F securities, with a top 10 holdings concentration of 43.25%. The firm's largest holding was Amazon.com Inc., with 775,000 shares.