BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Plancorp, LLC's Holding History (CIK: 0001599579)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,737 Value ($000) $306 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 1,596 Value ($000) $224 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 1,607 Value ($000) $202 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 1,587 Value ($000) $217 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 1,522 Value ($000) $233 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 1,549 Value ($000) $300 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 1,603 Value ($000) $372 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 1,606 Value ($000) $346 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 1,669 Value ($000) $432 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 1,546 Value ($000) $397 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 1,536 Value ($000) $438 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 1,536 Value ($000) $427 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 1,538 Value ($000) $426 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 1,519 Value ($000) $406 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 1,493 Value ($000) $304 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 1,496 Value ($000) $315 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 1,581 Value ($000) $379 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 1,605 Value ($000) $454 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 1,703 Value ($000) $590 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 1,676 Value ($000) $469 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 1,677 Value ($000) $411 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 1,721 Value ($000) $488 Avg Close $278.91 Range $261.87 - $312.00
Q1 2019
Shares 2,992 Value ($000) $707 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 2,901 Value ($000) $873 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 2,890 Value ($000) $1,021 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 2,890 Value ($000) $839 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 2,890 Value ($000) $791 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 2,890 Value ($000) $921 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 2,895 Value ($000) $907 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 2,765 Value ($000) $750 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 2,765 Value ($000) $756 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 2,765 Value ($000) $784 Avg Close $296.43 Range $268.00 - $329.83
Q4 2015
Shares 2,765 Value ($000) $847 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 2,765 Value ($000) $807 Avg Close $330.23 Range $265.00 - $412.24
Q1 2015
Shares 2,765 Value ($000) $1,167 Avg Close $394.14 Range $334.40 - $480.18