BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

LETKO, BROSSEAU & ASSOCIATES INC's Holding History (CIK: 0001297496)

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

Q4 2025
Shares 129,780 Value ($000) $22,840 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 120,620 Value ($000) $16,896 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 117,655 Value ($000) $14,776 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 115,610 Value ($000) $15,820 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 119,582 Value ($000) $18,286 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 132,912 Value ($000) $25,764 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 112,672 Value ($000) $26,120 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 105,307 Value ($000) $22,707 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 104,414 Value ($000) $27,019 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 108,219 Value ($000) $27,813 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 109,185 Value ($000) $31,101 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 115,725 Value ($000) $32,175 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 116,058 Value ($000) $32,139 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 119,328 Value ($000) $31,861 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 122,273 Value ($000) $24,936 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 122,118 Value ($000) $25,718 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 123,371 Value ($000) $29,599 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 119,996 Value ($000) $33,958 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 124,636 Value ($000) $43,158 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 126,568 Value ($000) $35,407 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 130,888 Value ($000) $32,049 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 141,603 Value ($000) $40,170 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 156,598 Value ($000) $41,898 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 164,046 Value ($000) $51,901 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 161,763 Value ($000) $48,000 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 168,633 Value ($000) $39,261 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 179,148 Value ($000) $41,897 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 185,943 Value ($000) $43,953 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 191,288 Value ($000) $57,562 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 201,761 Value ($000) $71,284 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 207,848 Value ($000) $60,326 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 208,138 Value ($000) $56,992 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 213,513 Value ($000) $68,019 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 217,803 Value ($000) $68,198 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 216,948 Value ($000) $58,871 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 215,876 Value ($000) $59,025 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 218,341 Value ($000) $61,917 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 194,241 Value ($000) $60,803 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 127,665 Value ($000) $30,872 Avg Close $263.54 Range $223.02 - $292.69