manager	shares	port %	label
David Rolfe - Wedgewood Partners	32,374	3.2%	Reduce	history
Thomas Gayner - Markel Group	79,500	0.39%	Add	history
Francois Rochon - Giverny Capital	4,067	0.09%		history
Henry Ellenbogen - Durable Capital Partners	79,469	0.30%		history