Pentwater Capital Management LP was founded by Matthew Halbower in 2007. The Evanson, Illinois-based employee-owned investment firm deals provides its investment services to specific pooled investment vehicles. The current total portfolio value of Pentwater Capital Management LP is approximately $10.4 billion. DirecTV (NASDAQ:DTV), Allergan, Inc. (NYSE:AGN) and Tim Hortons Inc. (NYSE:THI) were its top three…