manager	shares	port %	label
Torray Investment Partners	5,641	1.6%	Reduce	history
Dodge & Cox	24,356	<0.01%	Reduce	history
Bill Nygren / Oakmark - Harris Associates L P	129,769	0.04%	Reduce	history
David Rolfe - Wedgewood Partners	178,374	6.8%	Reduce	history
Thomas Russo - Gardner Russo & Quinn	7,974	0.01%	Reduce	history
Robert Olstein - Olstein Capital Management	14,500	0.41%		history
David Katz - Matrix Asset Advisors	139,292	2.9%	Add	history
Ron Baron - Bamco Inc. (Baron Capital)	2,017	<0.01%		history
Steven Check - Check Capital Management	32,384	0.18%	Reduce	history
Kahn Brothers Group	2,492	0.06%	New	history
Murray Stahl - Horizon Kinetics Asset Management	9,057	0.03%	Reduce	history
Bruce Berkowitz - Fairholme Capital Management	2,400	0.03%		history
Warren Buffett - Berkshire Hathaway	789,368,450	40.8%	Reduce	history
Mairs & Power	955,549	1.6%	Add	history
Thomas Gayner - Markel Group	1,227,190	2.1%	Add	history
Andreas Halvorsen - Viking Global Investors	3,870,990	2.5%	New	history
Jensen Investment Management	3,899,621	5.1%	Reduce	history
Christopher Bloomstran - Semper Augustus Investments Group	4,250	0.13%		history
Muhlenkamp & Co.	62,604	3.1%	Add	history
Philippe Laffont - Coatue Management	0	<0.01%	Exit	history
Arnold Van Den Berg - Van Den Berg Management I	3,396	0.17%	New	history
Lewis Sanders - Sanders Capital	18,101,492	5.2%	Add	history
Stanley Druckenmiller - Duquesne Family Office	114,700	0.45%	New	history
Murphy Pohlad - Murphy Pohlad Asset Management	19,638	1.3%	Reduce	history
Terry Smith - Fundsmith	1,597,544	1.1%	Add	history
Francois Rochon - Giverny Capital	10,027	0.07%	Reduce	history
Li Lu - Himalaya Capital Management	759,600	5.8%		history
Duan Yongping - H&H International Investment	64,583,093	78.0%	Add	history