manager	shares	port %	label
Tweedy, Browne Co.	25,507	0.02%	Add	history
Prem Watsa - Fairfax Financial Holdings	14,899,273	6.1%		history
Mairs & Power	16,000	<0.01%		history
Murphy Pohlad - Murphy Pohlad Asset Management	166,090	0.53%	Reduce	history