William Blair & Company’s Orbital ATK, Inc. OA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2018 Q2	–	Sell	-14,595	Closed	-$1.94M	–	1641
2018 Q1	$1.94M	Hold	14,595	–	–	0.01%	561
2017 Q4	$1.92M	Buy	+14,595	New	+$1.92M	0.01%	582
2017 Q3	–	Sell	-12,742	Closed	-$1.25M	–	1439
2017 Q2	$1.25M	Buy	+12,742	New	+$1.25M	0.01%	687