manager	shares	port %	label
Torray Investment Partners	11,783	2.1%	Reduce	history
Christopher Davis - Davis Selected Advisers	1,262,467	1.8%	Reduce	history
Warren Buffett - Berkshire Hathaway	25,923,840	2.0%	New	history
Mairs & Power	3,019	<0.01%	Add	history