Ticker: BIIB CUSIP: 09062X103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2023 | 999 | $285 | $297.86 | $273.39 - $319.76 |
| Q1 2023 | 950 | $264 | $276.70 | $254.80 - $295.90 |
| Q4 2022 | 950 | $263 | $282.44 | $250.31 - $311.88 |
| Q3 2022 | 958 | $256 | $212.38 | $193.65 - $283.44 |
| Q1 2022 | 960 | $202 | $217.46 | $192.67 - $249.00 |
| Q4 2021 | 976 | $234 | $257.12 | $221.72 - $290.76 |
| Q3 2021 | 762 | $216 | $327.75 | $282.64 - $372.12 |
| Q2 2021 | 761 | $264 | $302.94 | $257.03 - $468.55 |
| Q1 2021 | 744 | $208 | $269.69 | $238.40 - $296.38 |
| Q3 2020 | 746 | $212 | $278.91 | $261.87 - $312.00 |
| Q1 2020 | 746 | $236 | $303.47 | $262.25 - $374.99 |
| Q4 2019 | 688 | $204 | $277.46 | $219.70 - $318.00 |
| Q2 2019 | 1,235 | $289 | $230.90 | $219.20 - $245.35 |
| Q1 2019 | 1,235 | $292 | $314.89 | $216.12 - $344.00 |
| Q4 2018 | 735 | $221 | $319.14 | $278.46 - $358.41 |
| Q3 2018 | 735 | $260 | $344.30 | $288.13 - $388.67 |
| Q2 2018 | 735 | $213 | $281.15 | $249.17 - $310.91 |
| Q4 2017 | 709 | $226 | $320.80 | $301.81 - $348.84 |
| Q3 2017 | 839 | $263 | $296.11 | $269.50 - $330.00 |
| Q2 2017 | 839 | $228 | $264.42 | $244.28 - $291.90 |
| Q1 2017 | 839 | $229 | $282.75 | $260.50 - $301.42 |
| Q4 2016 | 1,206 | $342 | $296.43 | $268.00 - $329.83 |
| Q3 2016 | 1,206 | $378 | $296.18 | $240.07 - $333.65 |
| Q2 2016 | 1,295 | $313 | $263.54 | $223.02 - $292.69 |
| Q1 2016 | 1,252 | $326 | $264.15 | $242.07 - $301.02 |
| Q4 2015 | 1,150 | $352 | $287.35 | $254.00 - $311.65 |
| Q3 2015 | 1,159 | $338 | $330.23 | $265.00 - $412.24 |
| Q2 2015 | 1,103 | $446 | $401.33 | $368.88 - $432.88 |
| Q1 2015 | 1,103 | $466 | $394.14 | $334.40 - $480.18 |
| Q4 2014 | 1,206 | $409 | $323.51 | $290.85 - $361.93 |
| Q3 2014 | 1,457 | $482 | $329.72 | $298.31 - $349.00 |
| Q2 2014 | 1,238 | $390 | $300.97 | $272.02 - $322.25 |
| Q1 2014 | 1,220 | $373 | $317.43 | $270.62 - $358.89 |
| Q4 2013 | 1,056 | $295 | $258.65 | $221.07 - $298.82 |
| Q3 2013 | 1,241 | $299 | $223.81 | $203.55 - $248.95 |
| Q2 2013 | 1,241 | $267 | $213.68 | $191.80 - $242.64 |