Virtu KCG Holdings’s Gibraltar Industries ROCK Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q1	–	Sell	-17,843	Closed	-$743K	–	3624
2016 Q4	$743K	Buy	+17,843	New	+$743K	0.02%	1021