Two Sigma Securities’s Alphatec Holdings ATEC Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2016 Q1	–	Sell	-1,609	Closed	-$6K	–	303
2015 Q4	$6K	Buy	1,609 +238	+17%	+$888	0.01%	238
2015 Q3	$5K	Buy	+1,371	New	+$5K	0.01%	203