William Blair Investment Management’s Hornbeck Offshore Services, Inc. HOS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2016 Q3	–	Sell	-197,663	Closed	-$1.65M	–	478
2016 Q2	$1.65M	Sell	197,663 -4,780	-2%	-$39.9K	0.01%	391
2016 Q1	$2.01M	Buy	202,443 +5,921	+3%	+$58.8K	0.01%	386
2015 Q4	$1.95M	Buy	196,522 +8,527	+5%	+$84.7K	0.01%	385
2015 Q3	$2.54M	Buy	+187,995	New	+$2.54M	0.01%	862