Twin Tree Management
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Twin Tree Management’s Biogen BIIB Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q2
Hold
0
498
2025
Q1
Hold
0
586
2024
Q4
Sell
-4,296
Closed -$833K 527
2024
Q3
$833K Buy
4,296
+2,559
+147% +$496K ﹤0.01% 350
2024
Q2
$403K Buy
+1,737
New +$403K ﹤0.01% 328
2024
Q1
Hold
0
430
2023
Q4
Hold
0
495
2023
Q3
Sell
-29,552
Closed -$8.42M 452
2023
Q2
$8.42M Buy
29,552
+9,913
+50% +$2.82M 0.01% 167
2023
Q1
$5.46M Sell
19,639
-28,557
-59% -$7.94M 0.01% 181
2022
Q4
$13.3M Sell
48,196
-65,616
-58% -$18.2M 0.03% 81
2022
Q3
$30.4M Buy
113,812
+17,208
+18% +$4.59M 0.06% 27
2022
Q2
$19.7M Buy
96,604
+37,607
+64% +$7.67M 0.03% 78
2022
Q1
$12.4M Buy
+58,997
New +$12.4M 0.02% 133
2021
Q4
Hold
0
623
2021
Q3
Sell
-12,777
Closed -$4.42M 666
2021
Q2
$4.42M Sell
12,777
-86,648
-87% -$30M 0.01% 221
2021
Q1
$27.8M Buy
99,425
+47,309
+91% +$13.2M 0.1% 9
2020
Q4
$12.8M Sell
52,116
-18,162
-26% -$4.45M 0.05% 64
2020
Q3
$19.9M Buy
70,278
+19,261
+38% +$5.46M 0.08% 16
2020
Q2
$13.7M Buy
51,017
+27,831
+120% +$7.45M 0.06% 37
2020
Q1
$7.34M Sell
23,186
-29,137
-56% -$9.22M 0.04% 74
2019
Q4
$15.5M Buy
52,323
+29,416
+128% +$8.73M 0.05% 17
2019
Q3
$5.33M Sell
22,907
-2,381
-9% -$554K 0.02% 85
2019
Q2
$5.91M Sell
25,288
-8,214
-25% -$1.92M 0.03% 69
2019
Q1
$7.92M Sell
33,502
-664
-2% -$157K 0.04% 46
2018
Q4
$10.3M Buy
34,166
+33,464
+4,767% +$10.1M 0.06% 46
2018
Q3
$248K Sell
702
-24,944
-97% -$8.81M ﹤0.01% 346
2018
Q2
$7.44M Sell
25,646
-16,563
-39% -$4.81M 0.05% 63
2018
Q1
$11.6M Buy
42,209
+35,057
+490% +$9.6M 0.09% 21
2017
Q4
$2.28M Buy
+7,152
New +$2.28M 0.02% 130
2017
Q3
Sell
-40,056
Closed -$10.9M 362
2017
Q2
$10.9M Buy
+40,056
New +$10.9M 0.09% 21
2017
Q1
Hold
0
402
2016
Q4
Sell
-4,456
Closed -$1.4M 437
2016
Q3
$1.4M Sell
4,456
-4,852
-52% -$1.52M 0.02% 145
2016
Q2
$2.25M Buy
9,308
+1,058
+13% +$256K 0.04% 72
2016
Q1
$2.15M Buy
8,250
+4,660
+130% +$1.21M 0.04% 43
2015
Q4
$1.1M Sell
3,590
-6,417
-64% -$1.97M 0.02% 125
2015
Q3
$2.92M Buy
+10,007
New +$2.92M 0.07% 19
2015
Q2
Sell
-4,077
Closed -$1.72M 482
2015
Q1
$1.72M Buy
+4,077
New +$1.72M 0.04% 41
2014
Q4
Sell
-1,862
Closed -$616K 349
2014
Q3
$616K Buy
+1,862
New +$616K 0.02% 137
2014
Q2
Sell
-2,195
Closed -$671K 259
2014
Q1
$671K Sell
2,195
-3,218
-59% -$984K 0.01% 117
2013
Q4
$1.51M Buy
+5,413
New +$1.51M 0.04% 48
2013
Q3
Sell
-2,534
Closed -$545K 217
2013
Q2
$545K Buy
+2,534
New +$545K 0.02% 81