William Blair Investment Management’s Six Flags Entertainment Corp. SIX Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q1	–	Sell	-2,714,561	Closed	-$151M	–	432
2018 Q4	$151M	Sell	2,714,561 -2,234,983	-45%	-$134M	0.75%	36
2018 Q3	$346M	Buy	4,949,544 +165,157	+3%	+$11.2M	1.21%	12
2018 Q2	$335M	Buy	4,784,387 +204,160	+4%	+$13.3M	1.25%	10
2018 Q1	$285M	Buy	4,580,227 +64,383	+1%	+$4.2M	1.09%	12
2017 Q4	$301M	Sell	4,515,844 -895,352	-17%	-$57.3M	1.17%	9
2017 Q3	$330M	Buy	5,411,196 +302,368	+6%	+$17M	1.18%	11
2017 Q2	$305M	Sell	5,108,828 -162,816	-3%	-$9.85M	1.11%	14
2017 Q1	$314M	Buy	5,271,644 +452,974	+9%	+$27.1M	1.18%	8
2016 Q4	$289M	Buy	4,818,670 +405,074	+9%	+$22.7M	1.15%	13
2016 Q3	$237M	Buy	4,413,596 +239,357	+6%	+$12.9M	0.91%	27
2016 Q2	$242M	Sell	4,174,239 -12,730	-0.3%	-$741K	0.96%	24
2016 Q1	$232M	Buy	4,186,969 +82,246	+2%	+$4.24M	0.92%	26
2015 Q4	$226M	Buy	4,104,723 +459,113	+13%	+$23.7M	0.91%	30
2015 Q3	$167M	Buy	+3,645,610	New	+$166M	0.34%	86