William Blair Investment Management
SIX

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

William Blair Investment Management’s Portfolio SIX Stock Details SIX Fund Activity
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 – 431
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 1.2% 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 0.9% 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

Other funds holding SIX

Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
HPM
H. Partners Management New York $191M AUM 5.95% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

William Blair Investment Management's SIX Position: Q1 2019 in Review

William Blair Investment Management sold out of Six Flags Entertainment Corp. (SIX) in Q1 2019, closing a stake of 2,714,561 shares — an estimated $151M sold.

William Blair Investment Management first reported a position in SIX in Q3 2015 and held it in 14 quarters. The position peaked at $346M in Q3 2018. 342 funds tracked by Wall St. Rank hold SIX as of Q1 2019.

  • William Blair Investment Management reported no remaining Six Flags Entertainment Corp. position as of Q1 2019 after selling out during the quarter.
  • William Blair Investment Management sold 2,714,561 Six Flags Entertainment Corp. shares in Q1 2019, an estimated $151M.
  • William Blair Investment Management first reported a position in Six Flags Entertainment Corp. in Q3 2015 and held it in 14 quarters.
  • William Blair Investment Management's Six Flags Entertainment Corp. position peaked at $346M in Q3 2018.
  • 342 funds tracked by Wall St. Rank held Six Flags Entertainment Corp. as of Q1 2019.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.