Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2023 | 604,098 | $172,077 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 619,798 | $172,322 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 592,699 | $164,130 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 305,499 | $81,568 | $212.38 | $193.65 - $283.44 |
| Q2 2022 | 278,499 | $56,797 | $204.43 | $187.16 - $225.50 |
| Q1 2022 | 197,799 | $41,656 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 147,709 | $35,438 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 170,859 | $48,351 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 109,000 | $37,743 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 103,000 | $28,814 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 103,000 | $25,221 | $259.08 | $223.25 - $363.92 |
| Q2 2018 | 249,000 | $72,270 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 340,000 | $93,099 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 540,000 | $172,028 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 475,000 | $148,732 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 212,500 | $57,664 | $264.42 | $244.28 - $291.90 |