BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

OPPENHEIMER ASSET MANAGEMENT INC.'s Holding History (CIK: 0001269119)

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

Q4 2025
Shares 3,012 Value ($000) $530 Avg Close $163.37 Range $138.00 - $185.17
Q3 2024
Shares 35,928 Value ($000) $6,964 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 36,767 Value ($000) $8,523 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 33,980 Value ($000) $7,327 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 38,599 Value ($000) $9,988 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 41,395 Value ($000) $10,639 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 41,272 Value ($000) $11,756 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 41,682 Value ($000) $11,589 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 42,176 Value ($000) $11,679 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 47,199 Value ($000) $12,601 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 45,792 Value ($000) $9,339 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 45,853 Value ($000) $9,657 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 45,578 Value ($000) $10,935 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 52,538 Value ($000) $14,868 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 49,963 Value ($000) $17,300 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 46,337 Value ($000) $12,962 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 43,760 Value ($000) $10,715 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 40,380 Value ($000) $11,456 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 38,365 Value ($000) $10,265 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 33,458 Value ($000) $10,586 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 30,835 Value ($000) $9,150 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 30,550 Value ($000) $7,113 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 27,857 Value ($000) $6,515 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 22,331 Value ($000) $5,278 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 19,399 Value ($000) $5,838 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 18,704 Value ($000) $6,609 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 20,025 Value ($000) $5,812 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 17,328 Value ($000) $4,745 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 14,845 Value ($000) $4,647 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 14,845 Value ($000) $4,647 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 14,609 Value ($000) $3,965 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 15,264 Value ($000) $4,174 Avg Close $282.75 Range $260.50 - $301.42