William Blair Investment Management
SIX

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

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2019
Q1
Sell
-2,714,561
Closed -$151M 431
2018
Q4
$151M Sell
2,714,561
-2,234,983
-45% -$124M 0.75% 36
2018
Q3
$346M Buy
4,949,544
+165,157
+3% +$11.5M 1.2% 12
2018
Q2
$335M Buy
4,784,387
+204,160
+4% +$14.3M 1.25% 10
2018
Q1
$285M Buy
4,580,227
+64,383
+1% +$4.01M 1.09% 12
2017
Q4
$301M Sell
4,515,844
-895,352
-17% -$59.6M 1.17% 9
2017
Q3
$330M Buy
5,411,196
+302,368
+6% +$18.4M 1.18% 11
2017
Q2
$305M Sell
5,108,828
-162,816
-3% -$9.71M 1.11% 14
2017
Q1
$314M Buy
5,271,644
+452,974
+9% +$26.9M 1.18% 8
2016
Q4
$289M Buy
4,818,670
+405,074
+9% +$24.3M 1.15% 13
2016
Q3
$237M Buy
4,413,596
+239,357
+6% +$12.8M 0.9% 26
2016
Q2
$242M Sell
4,174,239
-12,730
-0.3% -$738K 0.96% 24
2016
Q1
$232M Buy
4,186,969
+82,246
+2% +$4.56M 0.92% 26
2015
Q4
$226M Buy
4,104,723
+459,113
+13% +$25.2M 0.91% 30
2015
Q3
$167M Buy
+3,645,610
New +$167M 0.34% 86