CIBC World Markets’s Biogen BIIB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | $3.59M | Buy |
+20,403
| New | +$3.33M | 0.02% | 479 |
|
|
2025
Q2 | $3.63M | Buy |
28,878
+11,252
| +64% | +$1.4M | 0.02% | 433 |
|
|
2025
Q1 | $2.41M | Sell |
17,626
-8,614
| -33% | -$1.23M | 0.02% | 459 |
|
|
2024
Q4 | $4.01M | Buy |
26,240
+3,267
| +14% | +$551K | 0.02% | 404 |
|
|
2024
Q3 | $4.45M | Sell |
22,973
-6,275
| -21% | -$1.31M | 0.03% | 349 |
|
|
2024
Q2 | $6.78M | Buy |
29,248
+5,148
| +21% | +$1.12M | 0.04% | 264 |
|
|
2024
Q1 | $5.2M | Sell |
24,100
-15,352
| -39% | -$3.6M | 0.03% | 313 |
|
|
2023
Q4 | $10.2M | Buy |
39,452
+14,799
| +60% | +$3.63M | 0.06% | 234 |
|
|
2023
Q3 | $6.34M | Sell |
24,653
-4,425
| -15% | -$1.18M | 0.06% | 205 |
|
|
2023
Q2 | $8.28M | Buy |
29,078
+20,062
| +223% | +$5.97M | 0.07% | 194 |
|
|
2023
Q1 | $2.51M | Sell |
9,016
-9,626
| -52% | -$2.66M | 0.04% | 299 |
|
|
2022
Q4 | $5.16M | Buy |
18,642
+16,440
| +747% | +$4.64M | 0.03% | 322 |
|
|
2022
Q3 | $588K | Sell |
2,202
-16,177
| -88% | -$3.44M | 0.01% | 423 |
|
|
2022
Q2 | $3.75M | Sell |
18,379
-16,100
| -47% | -$3.29M | 0.04% | 263 |
|
|
2022
Q1 | $7.26M | Sell |
34,479
-90,222
| -72% | -$19.6M | 0.06% | 209 |
|
|
2021
Q4 | $29.9M | Buy |
124,701
+67,283
| +117% | +$17.3M | 0.16% | 87 |
|
|
2021
Q3 | $16.2M | Buy |
57,418
+27,002
| +89% | +$8.85M | 0.11% | 130 |
|
|
2021
Q2 | $10.5M | Buy |
30,416
+2,488
| +9% | +$754K | 0.07% | 158 |
|
|
2021
Q1 | $7.81M | Sell |
27,928
-14,183
| -34% | -$3.82M | 0.05% | 218 |
|
|
2020
Q4 | $10.3M | Sell |
42,111
-11,184
| -21% | -$2.89M | 0.05% | 234 |
|
|
2020
Q3 | $15.1M | Buy |
53,295
+26,736
| +101% | +$7.46M | 0.15% | 148 |
|
|
2020
Q2 | $7.11M | Sell |
26,559
-33,062
| -55% | -$9.94M | 0.08% | 201 |
|
|
2020
Q1 | $18.9M | Sell |
59,621
-21,460
| -26% | -$6.51M | 0.24% | 96 |
|
|
2019
Q4 | $24.1M | Buy |
81,081
+8,175
| +11% | +$2.27M | 0.16% | 146 |
|
|
2019
Q3 | $17M | Sell |
72,906
-120,099
| -62% | -$28M | 0.16% | 154 |
|
|
2019
Q2 | $45.1M | Buy |
193,005
+145,917
| +310% | +$33.7M | 0.35% | 68 |
|
|
2019
Q1 | $11.1M | Sell |
47,088
-19,745
| -30% | -$6.22M | 0.09% | 203 |
|
|
2018
Q4 | $20.1M | Buy |
66,833
+6,268
| +10% | +$2M | 0.19% | 139 |
|
|
2018
Q3 | $21.4M | Buy |
60,565
+13,671
| +29% | +$4.71M | 0.18% | 132 |
|
|
2018
Q2 | $13.6M | Buy |
46,894
+7,675
| +20% | +$2.16M | 0.12% | 195 |
|
|
2018
Q1 | $10.7M | Sell |
39,219
-23,596
| -38% | -$7.32M | 0.11% | 173 |
|
|
2017
Q4 | $20M | Buy |
62,815
+14,534
| +30% | +$4.66M | 0.14% | 141 |
|
|
2017
Q3 | $15.1M | Sell |
48,281
-47,650
| -50% | -$14.1M | 0.15% | 139 |
|
|
2017
Q2 | $26M | Buy |
95,931
+45,401
| +90% | +$12M | 0.28% | 99 |
|
|
2017
Q1 | $13.8M | Sell |
50,530
-42,392
| -46% | -$12M | 0.11% | 149 |
|
|
2016
Q4 | $26.4M | Buy |
92,922
+10,444
| +13% | +$3.1M | 0.27% | 92 |
|
|
2016
Q3 | $25.8M | Sell |
82,478
-94,693
| -53% | -$28M | 0.49% | 52 |
|
|
2016
Q2 | $42.8M | Buy |
177,171
+163,771
| +1,222% | +$43.2M | 1.11% | 22 |
|
|
2016
Q1 | $3.49M | Sell |
13,400
-5,375
| -29% | -$1.42M | 0.08% | 118 |
|
|
2015
Q4 | $5.75M | Buy |
18,775
+2,502
| +15% | +$719K | 0.12% | 115 |
|
|
2015
Q3 | $4.75M | Buy |
16,273
+9,514
| +141% | +$3.14M | 0.13% | 103 |
|
|
2015
Q2 | $2.73M | Sell |
6,759
-88,241
| -93% | -$35.4M | 0.09% | 96 |
|
|
2015
Q1 | $40.1M | Hold |
95,000
| – | – | 2.47% | 13 |
|
|
2014
Q4 | $32.2M | Buy |
+95,000
| New | +$30.7M | 1.59% | 13 |
|
Other funds holding BIIB
CIBC World Markets's BIIB Position: Q4 2025 in Review
CIBC World Markets opened a new position in Biogen (BIIB) in Q4 2025: 20,403 shares worth $3.59M. The stake represents 0.02% of the portfolio and ranks #479 among its holdings. This is a return to the name: CIBC World Markets previously reported a position in BIIB as recently as Q2 2025.
CIBC World Markets first reported a position in BIIB in Q4 2014 and has held it in 44 quarters since. The position peaked at $45.1M in Q2 2019. 997 funds tracked by Wall St. Rank hold BIIB as of Q4 2025.
- CIBC World Markets held 20,403 shares of Biogen worth $3.59M as of Q4 2025.
- Biogen was a new CIBC World Markets position in Q4 2025.
- Biogen made up 0.02% of CIBC World Markets's portfolio in Q4 2025, its #479 holding.
- CIBC World Markets first reported a position in Biogen in Q4 2014 and has held it in 44 quarters since.
- CIBC World Markets's Biogen position peaked at $45.1M in Q2 2019.
- 997 funds tracked by Wall St. Rank held Biogen as of Q4 2025.
Based on CIBC World Markets's 13F filing for Q4 2025, filed 12 Feb 2026.