Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,251 | $396 | $163.37 | $138.00 - $185.17 |
| Q1 2025 | 1,547 | $212 | $142.96 | $128.51 - $157.09 |
| Q3 2024 | 1,274 | $247 | $209.21 | $188.78 - $238.00 |
| Q4 2023 | 1,310 | $339 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,117 | $287 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,351 | $385 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 1,402 | $390 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 1,090 | $302 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 1,088 | $528 | $212.38 | $193.65 - $283.44 |
| Q3 2020 | 832 | $236 | $278.91 | $261.87 - $312.00 |
| Q4 2018 | 603 | $181 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 671 | $237 | $344.30 | $288.13 - $388.67 |
| Q1 2018 | 471 | $129 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 509 | $162 | $320.80 | $301.81 - $348.84 |