CIBC Asset Management’s Biogen BIIB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$6.45M Buy
35,196
+749
+2% +$138K 0.02% 445
2025
Q4
$6.06M Sell
34,447
-10,666
-24% -$1.74M 0.01% 445
2025
Q3
$6.32M Buy
45,113
+23
+0.1% +$3.11K 0.02% 377
2025
Q2
$5.66M Sell
45,090
-2,171
-5% -$271K 0.02% 385
2025
Q1
$6.47M Buy
47,261
+454
+1% +$64.9K 0.02% 367
2024
Q4
$7.16M Buy
46,807
+1,623
+4% +$274K 0.02% 350
2024
Q3
$8.76M Buy
45,184
+2,509
+6% +$525K 0.03% 302
2024
Q2
$9.89M Sell
42,675
-205
-0.5% -$44.6K 0.04% 263
2024
Q1
$9.25M Buy
42,880
+2,394
+6% +$561K 0.03% 297
2023
Q4
$10.5M Buy
40,486
+35
+0.1% +$8.6K 0.04% 243
2023
Q3
$10.4M Buy
40,451
+3,924
+11% +$1.05M 0.04% 230
2023
Q2
$10.4M Sell
36,527
-198
-0.5% -$58.9K 0.04% 232
2023
Q1
$10.2M Buy
36,725
+156
+0.4% +$43.2K 0.04% 232
2022
Q4
$10.1M Buy
36,569
+56
+0.2% +$15.8K 0.04% 232
2022
Q3
$9.75M Buy
36,513
+1,751
+5% +$372K 0.04% 224
2022
Q2
$7.09M Buy
34,762
+3,881
+13% +$793K 0.03% 265
2022
Q1
$6.5M Buy
30,881
+876
+3% +$190K 0.02% 314
2021
Q4
$7.2M Buy
30,005
+2,129
+8% +$547K 0.03% 310
2021
Q3
$7.89M Buy
27,876
+275
+1% +$90.1K 0.03% 275
2021
Q2
$9.56M Buy
27,601
+626
+2% +$190K 0.04% 244
2021
Q1
$7.55M Sell
26,975
-5,221
-16% -$1.41M 0.03% 267
2020
Q4
$7.88M Buy
32,196
+1,665
+5% +$430K 0.04% 250
2020
Q3
$8.66M Buy
30,531
+5,298
+21% +$1.48M 0.04% 213
2020
Q2
$6.75M Sell
25,233
-1,277
-5% -$384K 0.04% 224
2020
Q1
$8.39M Buy
26,510
+475
+2% +$144K 0.06% 184
2019
Q4
$7.72M Sell
26,035
-1,118
-4% -$310K 0.04% 187
2019
Q3
$6.32M Sell
27,153
-314
-1% -$73.1K 0.04% 211
2019
Q2
$6.42M Sell
27,467
-59
-0.2% -$13.6K 0.04% 204
2019
Q1
$6.51M Sell
27,526
-546
-2% -$172K 0.04% 195
2018
Q4
$8.45M Buy
28,072
+437
+2% +$139K 0.06% 131
2018
Q3
$9.76M Sell
27,635
-504
-2% -$174K 0.06% 134
2018
Q2
$8.17M Buy
28,139
+1,235
+5% +$347K 0.05% 153
2018
Q1
$7.37M Sell
26,904
-442
-2% -$137K 0.05% 160
2017
Q4
$8.71M Sell
27,346
-917
-3% -$294K 0.05% 149
2017
Q3
$8.85M Sell
28,263
-306
-1% -$90.6K 0.06% 139
2017
Q2
$7.75M Buy
28,569
+1,173
+4% +$310K 0.05% 147
2017
Q1
$7.49M Buy
27,396
+1,324
+5% +$374K 0.05% 154
2016
Q4
$7.39M Buy
26,072
+344
+1% +$102K 0.05% 151
2016
Q3
$8.05M Sell
25,728
-1,771
-6% -$525K 0.06% 143
2016
Q2
$6.65M Buy
27,499
+222
+0.8% +$58.5K 0.05% 159
2016
Q1
$7.1M Sell
27,277
-23
-0.1% -$6.08K 0.05% 146
2015
Q4
$8.36M Sell
27,300
-1,460
-5% -$420K 0.07% 130
2015
Q3
$8.39M Buy
28,760
+280
+1% +$92.5K 0.07% 125
2015
Q2
$11.5M Buy
28,480
+1,115
+4% +$447K 0.08% 105
2015
Q1
$11.6M Buy
27,365
+1,798
+7% +$709K 0.08% 103
2014
Q4
$8.68M Sell
25,567
-6,918
-21% -$2.24M 0.06% 126
2014
Q3
$10.7M Sell
32,485
-25,401
-44% -$8.38M 0.06% 111
2014
Q2
$18.3M Sell
57,886
-565
-1% -$170K 0.1% 83
2014
Q1
$17.9M Sell
58,451
-4,485
-7% -$1.42M 0.11% 86
2013
Q4
$17.6M Sell
62,936
-2,856
-4% -$739K 0.11% 85
2013
Q3
$15.8M Buy
65,792
+4,189
+7% +$938K 0.1% 89
2013
Q2
$13.3M Buy
+61,603
New +$13.2M 0.09% 93

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