manager	shares	port %	label
Lee Ainslie - Maverick Capital	5,453	0.03%	Reduce	history
Warren Buffett - Berkshire Hathaway	2,981,945	0.48%	Add	history
Thomas Gayner - Markel Group	5,500	0.02%		history
Tom Bancroft - Makaira Partners	37,000	8.2%	Reduce	history