BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Sompo Asset Management Co., Ltd.'s Holding History (CIK: 0001533504)

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

Q4 2025
Shares 7,576 Value ($000) $1,333 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 3,240 Value ($000) $454 Avg Close $135.17 Range $121.05 - $150.28
Q3 2024
Shares 1,200 Value ($000) $233 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 1,460 Value ($000) $338 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 1,070 Value ($000) $231 Avg Close $234.20 Range $211.02 - $268.30
Q3 2023
Shares 1,100 Value ($000) $283 Avg Close $267.47 Range $251.85 - $287.60
Q1 2023
Shares 950 Value ($000) $264 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 950 Value ($000) $263 Avg Close $282.44 Range $250.31 - $311.88
Q3 2021
Shares 2,870 Value ($000) $812 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 5,300 Value ($000) $1,835 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 5,850 Value ($000) $1,637 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 8,650 Value ($000) $2,118 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 5,200 Value ($000) $1,475 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 5,760 Value ($000) $1,541 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 1,540 Value ($000) $487 Avg Close $303.47 Range $262.25 - $374.99
Q2 2018
Shares 9,800 Value ($000) $2,844 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 12,350 Value ($000) $3,382 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 12,460 Value ($000) $3,969 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 14,450 Value ($000) $4,525 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 15,950 Value ($000) $4,328 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 18,860 Value ($000) $5,157 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 19,250 Value ($000) $5,459 Avg Close $296.43 Range $268.00 - $329.83