manager	shares	port %	label
Greenhaven Associates	122,079	0.24%	New	history
Richard Pzena - Pzena Investment Management	379,465	0.14%	Reduce	history
Abrams Bison - Abrams Bison Investments	969,000	8.8%	Add	history
First Eagle Investment Management	84,300	0.02%	Add	history