Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2024 | 100,049 | $21,574 | $234.20 | $211.02 - $268.30 |
| Q4 2023 | 200,000 | $51,754 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 276,788 | $71,137 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 256,000 | $72,922 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 450,000 | $125,114 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 400,000 | $110,768 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 224,000 | $59,808 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 236,000 | $48,130 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 572,000 | $120,463 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 460,000 | $110,363 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 372,000 | $105,272 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 368,000 | $127,427 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 288,000 | $80,568 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 258,000 | $63,174 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 100,000 | $28,368 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 216,000 | $57,791 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 58,000 | $18,350 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 128,000 | $37,981 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 148,000 | $34,457 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 28,000 | $6,548 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 150,000 | $35,457 | $314.89 | $216.12 - $344.00 |