William Blair Investment Management’s Extraction Oil & Gas, Inc. Common Stock XOG Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2019 Q1	–	Sell	-1,352,570	Closed	-$5.8M	–	435
2018 Q4	$5.8M	Buy	1,352,570 +423,745	+46%	+$1.82M	0.03%	331
2018 Q3	$10.5M	Buy	+928,825	New	+$10.5M	0.04%	334