Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,470 | $435 | $163.37 | $138.00 - $185.17 |
| Q3 2024 | 1,142 | $221 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 1,361 | $316 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 14,495 | $3,095 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 1,381 | $357 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 1,402 | $360 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 1,352 | $385 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 1,428 | $397 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 1,885 | $522 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 2,376 | $634 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 2,643 | $539 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 1,754 | $369 | $217.46 | $192.67 - $249.00 |