Westside Investment 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
Q2 | $569K | Sell |
2,634
-3
| -0.1% | -$574 | 0.07% | 188 |
|
|
2026
Q1 | $478K | Buy |
2,637
+125
| +5% | +$23K | 0.07% | 196 |
|
|
2025
Q4 | $444K | Buy |
2,512
+32
| +1% | +$5.23K | 0.07% | 187 |
|
|
2025
Q3 | $359K | Sell |
2,480
-100
| -4% | -$13.5K | 0.06% | 213 |
|
|
2025
Q2 | $329K | Sell |
2,580
-80
| -3% | -$9.97K | 0.06% | 204 |
|
|
2025
Q1 | $359K | Buy |
2,660
+1,310
| +97% | +$187K | 0.08% | 182 |
|
|
2024
Q4 | $206K | Sell |
1,350
-1,064
| -44% | -$179K | 0.04% | 226 |
|
|
2024
Q3 | $484K | Hold |
2,414
| – | – | 0.1% | 150 |
|
|
2024
Q2 | $560K | Buy |
2,414
+260
| +12% | +$56.5K | 0.13% | 142 |
|
|
2024
Q1 | $464K | Buy |
2,154
+50
| +2% | +$11.7K | 0.11% | 149 |
|
|
2023
Q4 | $544K | Hold |
2,104
| – | – | 0.14% | 135 |
|
|
2023
Q3 | $541K | Buy |
2,104
+10
| +0.5% | +$2.67K | 0.16% | 130 |
|
|
2023
Q2 | $597K | Hold |
2,094
| – | – | 0.17% | 123 |
|
|
2023
Q1 | $582K | Sell |
2,094
-50
| -2% | -$13.8K | 0.17% | 119 |
|
|
2022
Q4 | $259K | Buy |
2,144
+144
| +7% | +$40.7K | 0.64% | 41 |
|
|
2022
Q3 | $254K | Buy |
2,000
+50
| +3% | +$10.6K | 0.61% | 42 |
|
|
2022
Q2 | $190K | Hold |
1,950
| – | – | 0.43% | 53 |
|
|
2022
Q1 | $190K | Buy |
1,950
+100
| +5% | +$21.7K | 0.42% | 56 |
|
|
2021
Q4 | $239K | Buy |
1,850
+140
| +8% | +$36K | 0.54% | 43 |
|
|
2021
Q3 | $239K | Buy |
1,710
+210
| +14% | +$68.8K | 0.55% | 43 |
|
|
2021
Q2 | $104K | Sell |
1,500
-540
| -26% | -$164K | 0.24% | 83 |
|
|
2021
Q1 | $84.4K | Hold |
2,040
| – | – | 0.22% | 85 |
|
|
2020
Q4 | $73.9K | Buy |
2,040
+410
| +25% | +$106K | 0.2% | 82 |
|
|
2020
Q3 | $57.1K | Buy |
1,630
+350
| +27% | +$97.6K | 0.03% | 84 |
|
|
2020
Q2 | $342 | Sell |
1,280
-393
| -23% | -$118K | ﹤0.01% | 216 |
|
|
2020
Q1 | $529 | Buy |
+1,673
| New | +$508K | ﹤0.01% | 201 |
|
|
2019
Q2 | $555 | Buy |
+2,376
| New | +$549K | ﹤0.01% | 141 |
|
|
2018
Q4 | $741K | Sell |
2,463
-316
| -11% | -$101K | 0.27% | 66 |
|
|
2018
Q3 | $980K | Sell |
2,779
-99
| -3% | -$34.1K | 0.31% | 53 |
|
|
2018
Q2 | $851K | Sell |
2,878
-9
| -0.3% | -$2.53K | 0.3% | 55 |
|
|
2018
Q1 | $770K | Sell |
2,887
-117
| -4% | -$36.3K | 0.42% | 57 |
|
|
2017
Q4 | $990K | Sell |
3,004
-7
| -0.2% | -$2.25K | 0.54% | 47 |
|
|
2017
Q3 | $991K | Buy |
3,011
+22
| +0.7% | +$6.51K | 0.6% | 43 |
|
|
2017
Q2 | $818K | Sell |
2,989
-70
| -2% | -$18.5K | 0.53% | 49 |
|
|
2017
Q1 | $827K | Buy |
3,059
+1,222
| +67% | +$346K | 0.4% | 42 |
|
|
2016
Q4 | $527K | Buy |
+1,837
| New | +$545K | 0.36% | 41 |
|
Other funds holding BIIB
Westside Investment Management's BIIB Position: Q2 2026 in Review
Westside Investment Management reduced its Biogen (BIIB) stake by 0.11% in Q2 2026, selling an estimated $574 and leaving 2,634 shares worth $569K. The position accounts for 0.07% of the portfolio, ranked #188.
Westside Investment Management first reported a position in BIIB in Q4 2016 and has held it in 36 quarters since. The position peaked at $991K in Q3 2017. 1,038 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.
- Westside Investment Management held 2,634 shares of Biogen worth $569K as of Q2 2026.
- Westside Investment Management sold 3 Biogen shares in Q2 2026, an estimated $574.
- Biogen made up 0.07% of Westside Investment Management's portfolio in Q2 2026, its #188 holding.
- Westside Investment Management first reported a position in Biogen in Q4 2016 and has held it in 36 quarters since.
- Westside Investment Management's Biogen position peaked at $991K in Q3 2017.
- 1,038 funds tracked by Wall St. Rank held Biogen as of Q2 2026.
Based on Westside Investment Management's 13F filing for Q2 2026, filed 27 Jul 2026.