Consequently, key money managers have jumped into General Motors Company (NYSE:GM) headfirst. Holocene Advisors, managed by Brandon Haley, created the biggest call position in General Motors Company (NYSE:GM). Holocene Advisors had $42.9 million invested in the company at the end of the quarter. Richard S. Pzena's Pzena Investment Management also made a $24.9 million investment in the stock during the quarter. The other funds with brand new GM positions are Steven Tananbaum's GoldenTree Asset Management, Andrew Feldstein and Stephen Siderow's Blue Mountain Capital, and Jonathan Barrett and Paul Segal's Luminus Management.