Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 2,793 | $492 | $163.37 | $138.00 - $185.17 |
| Q3 2014 | 86 | $28 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 86 | $27 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 76 | $23 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 96 | $27 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 24 | $6 | $223.81 | $203.55 - $248.95 |