Och-Ziff Capital Management Group is an American hedge fund manager and global alternative asset management firm. In early 2011, the firm had more than $28 billion in assets under management.

Archview Investment Group LP is an investment adviser registered under the Investment Advisers Act of 1940, as amended.

Tsai Capital Corporation is a hedge fund manager, based in New York City, that was founded by Christopher Tsai in 1997. The firm generally looks for long-term investments in growing, non-cyclical businesses with conservative balance sheets.

Renaissance Technologies is a hedge fund management company of about 275 employees and over $15 billion in assets under management in three funds. It operates in East Setauket, Long Island, New York, near Stony Brook University with administrative functio