Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2025 | 10 | $0 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 1,746,477 | $267 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 1,744,154 | $338 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,747,444 | $405 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 1,565,785 | $338 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 995,456 | $258 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 999,276 | $257 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 999,346 | $285 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 977,726 | $272 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 954,896 | $264 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 957,981 | $255,780 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 966,186 | $197,043 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 940,161 | $197,997 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 913,536 | $219,175 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 550,016 | $155,649 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 134,133 | $46,446 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 172,532 | $48,265 | $269.69 | $238.40 - $296.38 |