Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2025 | 13,310 | $1,672 | $124.60 | $110.04 - $137.32 |
| Q1 2025 | 14,110 | $1,931 | $142.96 | $128.51 - $157.09 |
| Q4 2024 | 97,855 | $14,964 | $168.67 | $145.07 - $195.00 |
| Q3 2024 | 97,855 | $18,968 | $209.21 | $188.78 - $238.00 |
| Q2 2024 | 98,055 | $22,731 | $217.32 | $189.44 - $237.54 |
| Q1 2024 | 96,855 | $20,885 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 62,755 | $16,239 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 61,955 | $15,923 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 60,012 | $17,094 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 71,400 | $19,851 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 68,700 | $19,024 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 96,500 | $25,766 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 169,500 | $34,568 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 264,200 | $55,641 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 323,500 | $77,614 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 234,000 | $66,220 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 200,400 | $69,393 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 103,500 | $28,954 | $269.69 | $238.40 - $296.38 |