manager	shares	port %	label
Carl Icahn - Icahn Capital	7,532,604	7.2%	Reduce	history
Lee Ainslie - Maverick Capital	1,826,557	2.3%	Add	history
Corvex Management	4,769,098	13.0%		history
Davidson Kempner Capital Management	105,648	0.16%	New	history