Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2023 | 840 | $217 | $245.62 | $220.86 - $269.43 |
| Q3 2023 | 856 | $220 | $267.47 | $251.85 - $287.60 |
| Q2 2023 | 856 | $244 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 856 | $238 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 856 | $237 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 856 | $229 | $212.38 | $193.65 - $283.44 |
| Q4 2021 | 856 | $205 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 981 | $278 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 1,131 | $392 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 1,131 | $316 | $269.69 | $238.40 - $296.38 |
| Q4 2020 | 1,166 | $286 | $259.08 | $223.25 - $363.92 |
| Q3 2020 | 1,202 | $341 | $278.91 | $261.87 - $312.00 |
| Q2 2020 | 991 | $265 | $300.59 | $257.60 - $350.24 |
| Q1 2020 | 991 | $314 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 1,046 | $310 | $277.46 | $219.70 - $318.00 |
| Q3 2019 | 1,046 | $244 | $232.85 | $215.78 - $246.99 |
| Q2 2019 | 1,046 | $245 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 1,046 | $247 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 1,058 | $318 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 1,058 | $374 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 1,058 | $307 | $281.15 | $249.17 - $310.91 |
| Q1 2018 | 956 | $262 | $310.41 | $259.76 - $370.57 |
| Q4 2017 | 956 | $305 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 956 | $299 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 956 | $259 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 956 | $261 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 956 | $271 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 956 | $299 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 956 | $231 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 956 | $249 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 971 | $297 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 946 | $276 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 856 | $346 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 856 | $361 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 856 | $291 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 856 | $283 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 856 | $270 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 856 | $262 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 856 | $239 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 1,016 | $245 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 1,016 | $219 | $213.68 | $191.80 - $242.64 |
| Q1 2013 | 1,116 | $215 | $161.63 | $139.72 - $192.92 |