manager	shares	port %	label
Wallace Weitz - Weitz Investment Management	252,400	4.0%	Reduce	history
Ron Baron - Bamco Inc. (Baron Capital)	46,717	0.02%	Reduce	history
Mairs & Power	4,000	<0.01%		history
Davidson Kempner Capital Management	100,000	0.27%	Add	history