Laurion Capital Management’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2022
Q2
Sell
-1,400
Closed -$295K 362
2022
Q1
$295K Buy
+1,400
New +$295K ﹤0.01% 322
2021
Q2
Sell
-4,039
Closed -$1.13M 498
2021
Q1
$1.13M Sell
4,039
-1,202
-23% -$336K 0.01% 280
2020
Q4
$1.28M Buy
+5,241
New +$1.28M 0.01% 195
2020
Q3
Sell
-1,878
Closed -$502K 632
2020
Q2
$502K Buy
+1,878
New +$502K 0.01% 405
2020
Q1
Hold
0
478
2019
Q4
Sell
-50,255
Closed -$11.7M 516
2019
Q3
$11.7M Buy
50,255
+35,292
+236% +$8.22M 0.09% 42
2019
Q2
$3.5M Buy
+14,963
New +$3.5M 0.03% 73
2019
Q1
Sell
-131,657
Closed -$39.6M 582
2018
Q4
$39.6M Buy
131,657
+121,651
+1,216% +$36.6M 0.7% 5
2018
Q3
$3.54M Buy
10,006
+4,806
+92% +$1.7M 0.03% 158
2018
Q2
$1.51M Buy
5,200
+1,100
+27% +$319K 0.01% 427
2018
Q1
$1.12M Sell
4,100
-6,823
-62% -$1.87M 0.01% 533
2017
Q4
$3.48M Sell
10,923
-14,408
-57% -$4.59M 0.02% 299
2017
Q3
$7.93M Sell
25,331
-4,992
-16% -$1.56M 0.04% 123
2017
Q2
$8.23M Sell
30,323
-400
-1% -$109K 0.05% 103
2017
Q1
$8.4M Buy
30,723
+13,979
+83% +$3.82M 0.06% 93
2016
Q4
$4.75M Sell
16,744
-66,106
-80% -$18.7M 0.05% 100
2016
Q3
$25.9M Buy
82,850
+77,850
+1,557% +$24.4M 0.24% 19
2016
Q2
$1.21M Buy
5,000
+1,800
+56% +$435K 0.02% 199
2016
Q1
$833K Buy
+3,200
New +$833K 0.01% 197
2014
Q4
Hold
0
239
2014
Q3
Hold
0
193
2014
Q2
Hold
0
149