manager	shares	port %	label
Ron Baron - Bamco Inc. (Baron Capital)	519,528	0.08%	Add	history
Warren Buffett - Berkshire Hathaway	433,558	<0.01%		history
First Pacific Advisors	2,580,283	2.0%	Reduce	history
Francis Chou - Chou Associates Management	10,987	0.33%		history