Walleye Trading
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Walleye Trading’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Sell
-11,191
Closed -$1.53M 1053
2025
Q1
$1.53M Buy
+11,191
New +$1.53M ﹤0.01% 275
2024
Q4
Sell
-17,102
Closed -$3.32M 1153
2024
Q3
$3.32M Buy
17,102
+3,263
+24% +$633K 0.01% 206
2024
Q2
$3.21M Buy
13,839
+13,682
+8,715% +$3.17M 0.01% 226
2024
Q1
$33.9K Buy
+157
New +$33.9K ﹤0.01% 1179
2023
Q4
Hold
0
1802
2023
Q3
Sell
-6,800
Closed -$1.94M 1776
2023
Q2
$1.94M Sell
6,800
-11,404
-63% -$3.25M 0.01% 192
2023
Q1
$5.06M Buy
+18,204
New +$5.06M 0.01% 92
2022
Q4
Sell
-1,511
Closed -$403K 1782
2022
Q3
$403K Sell
1,511
-27,833
-95% -$7.42M ﹤0.01% 823
2022
Q2
$5.98M Buy
29,344
+10,333
+54% +$2.11M 0.02% 137
2022
Q1
$4M Buy
19,011
+14,134
+290% +$2.98M 0.01% 189
2021
Q4
$1.17M Sell
4,877
-4,535
-48% -$1.09M ﹤0.01% 464
2021
Q3
$2.66M Sell
9,412
-12,696
-57% -$3.59M 0.01% 250
2021
Q2
$7.66M Buy
22,108
+19,349
+701% +$6.7M 0.03% 102
2021
Q1
$772K Sell
2,759
-12,737
-82% -$3.56M ﹤0.01% 457
2020
Q4
$3.79M Buy
15,496
+9,296
+150% +$2.28M 0.02% 141
2020
Q3
$1.76M Sell
6,200
-9,554
-61% -$2.71M 0.01% 132
2020
Q2
$4.22M Buy
15,754
+1,794
+13% +$480K 0.03% 74
2020
Q1
$4.42M Sell
13,960
-24,002
-63% -$7.59M 0.03% 75
2019
Q4
$11.3M Buy
37,962
+33,447
+741% +$9.92M 0.08% 44
2019
Q3
$1.05M Buy
4,515
+3,980
+744% +$926K 0.01% 322
2019
Q2
$125K Sell
535
-4,246
-89% -$992K ﹤0.01% 806
2019
Q1
$1.13M Buy
4,781
+1,707
+56% +$403K 0.01% 255
2018
Q4
$925K Sell
3,074
-4,186
-58% -$1.26M 0.01% 441
2018
Q3
$2.57M Buy
7,260
+2,808
+63% +$992K 0.01% 266
2018
Q2
$1.29M Sell
4,452
-18,217
-80% -$5.29M 0.01% 449
2018
Q1
$6.21M Buy
22,669
+20,031
+759% +$5.48M 0.04% 107
2017
Q4
$840 Buy
+2,638
New +$840 ﹤0.01% 580
2017
Q3
Sell
-1,554
Closed -$422 1146
2017
Q2
$422 Sell
1,554
-4,739
-75% -$1.29K ﹤0.01% 641
2017
Q1
$1.72K Sell
6,293
-669
-10% -$183 0.01% 264
2016
Q4
$1.97M Sell
6,962
-2,910
-29% -$825K 0.01% 211
2016
Q3
$3.09M Sell
9,872
-5,548
-36% -$1.74M 0.02% 98
2016
Q2
$3.73M Buy
15,420
+3,729
+32% +$902K 0.02% 74
2016
Q1
$3.04M Sell
11,691
-17,390
-60% -$4.53M 0.03% 67
2015
Q4
$8.91M Buy
29,081
+5,680
+24% +$1.74M 0.09% 35
2015
Q3
$6.83M Sell
23,401
-16,084
-41% -$4.69M 0.06% 37
2015
Q2
$16M Buy
39,485
+16,830
+74% +$6.8M 0.16% 16
2015
Q1
$9.57M Buy
22,655
+15,655
+224% +$6.61M 0.1% 26
2014
Q4
$2.38M Buy
+7,000
New +$2.38M 0.02% 167
2014
Q3
Hold
0
1145
2014
Q2
Hold
0
975
2014
Q1
Hold
0
980
2013
Q4
Hold
0
1195
2013
Q3
Hold
0
958
2013
Q2
Hold
0
833