Kyle Bass’s Hayman Capital has just released its latest 13F filing with the Securities and Exchange Commission. The filing showed a lot of movement in some big names which have been in the news a lot over the last several months, including J.C. Penney Company, Inc. (NYSE:JCP), Microsoft Corporation (NASDAQ:MSFT) and Herbalife Ltd NYSE:HLF), which Bass himself made a case for as recently as December. This latest filing covers the fourth quarter of the year, which ended Dec. 31.

In all, Hayman Capital bought 14 new stocks during the fourth quarter and increased its position in four others. The firm dumped eight stocks and did not cut its holdings in any others.

Kyle Bass

Kyle Bass’ Hayman Capital buys GM

The biggest position by far for Kyle Bass’ firm at the end of December was General Motors Company (NYSE:GM), which made up more than 24% of its portfolio. That was actually a new stock for Hayman Capital, which at the end of the year owned more than 4.6 million shares of GM.

Another big buy for Bass during the quarter was Kinder Morgan Inc (NYSE:KMI), which became his fourth biggest holding, making up nearly 11% of Hayman’s portfolio after he purchased more than 2.35 million shares. He also bought nearly 5.5 million shares of NMI Holdings Inc (NASDAQ:NMIH).

Other new stocks for Bass during the quarter include OpenTable Inc (NASDAQ:OPEN), Rayonier Inc. (NYSE:RYN), Altisource Residential Corp (NYSE:RESI) and Nationstar Mortgage Holdings Inc (NYSE:NSM).

Hayman Capital adds to Vodafone, RealNetworks

During the fourth quarter, Kyle Bass’ firm also added to its position in Vodafone Group Plc (ADR) (NASDAQ:VOD), snapping up an additional 1.77 million shares, which represents a 131% change in position. Other raises of note include RealNetworks Inc (NASDAQ:RNWK), which Hayman bought 362,000 more shares of, and NRG Energy Inc (NYSE:NRG), of which the firm bought more than 1.8 million additional shares.

Hayman Capital dumps Herbalife, Microsoft, J.C. Penney

Kyle Bass also dumped the controversial stock Herbalife Ltd (NYSE:HLF), selling all of his firm’s options and the 436,371 shares it actually owned. His firm also exited Microsoft Corporation (NASDAQ:MSFT), selling all 1.5 million shares it did hold, and Tempur Sealy International Inc (NYSE:TPX), of which it had owned more than 1.3 million shares at the end of the third quarter.

The firm also sold all of its nearly 5.7 million shares of J.C. Penney Company, Inc. (NYSE:JCP) during the fourth quarter.