BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Russell Investments Group, Ltd.'s Holding History (CIK: 0001692234)

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

Q4 2025
Shares 119,087 Value ($000) $20,970 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 141,348 Value ($000) $19,774 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 242,053 Value ($000) $30,407 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 207,649 Value ($000) $28,438 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 121,763 Value ($000) $18,596 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 131,450 Value ($000) $25,488 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 117,538 Value ($000) $27,211 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 146,628 Value ($000) $31,626 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 123,270 Value ($000) $31,914 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 154,588 Value ($000) $39,743 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 187,477 Value ($000) $53,364 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 258,041 Value ($000) $71,696 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 276,689 Value ($000) $76,607 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 337,254 Value ($000) $89,999 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 258,861 Value ($000) $52,809 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 144,942 Value ($000) $30,528 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 104,070 Value ($000) $24,967 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 106,450 Value ($000) $30,164 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 120,257 Value ($000) $41,628 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 160,044 Value ($000) $44,616 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 197,933 Value ($000) $48,335 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 229,505 Value ($000) $64,950 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 211,064 Value ($000) $55,700 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 297,554 Value ($000) $94,109 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 360,956 Value ($000) $107,015 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 375,121 Value ($000) $87,079 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 323,516 Value ($000) $76,121 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 251,449 Value ($000) $59,237 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 156,039 Value ($000) $46,536 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 235,772 Value ($000) $83,455 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 159,635 Value ($000) $46,248 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 183,809 Value ($000) $50,222 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 131,155 Value ($000) $42,002 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 259,175 Value ($000) $81,143 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 199,321 Value ($000) $54,087 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 240,097 Value ($000) $65,641 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 233,489 Value ($000) $67,011 Avg Close $296.43 Range $268.00 - $329.83