BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC's Holding History (CIK: 0001629649)

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

Q4 2025
Shares 4,687 Value ($000) $825 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 4,673 Value ($000) $655 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 4,674 Value ($000) $587 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 4,656 Value ($000) $637 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 4,626 Value ($000) $707 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 4,616 Value ($000) $895 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 4,634 Value ($000) $1,074 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 4,598 Value ($000) $991 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 4,586 Value ($000) $1,187 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 4,571 Value ($000) $1,175 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 4,565 Value ($000) $1,300 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 4,526 Value ($000) $1,258 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 4,512 Value ($000) $1,249 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 5,389 Value ($000) $1,439 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 5,853 Value ($000) $1,194 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 6,501 Value ($000) $1,369 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 7,286 Value ($000) $1,748 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 7,477 Value ($000) $2,116 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 6,836 Value ($000) $2,367 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 6,905 Value ($000) $1,932 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 8,444 Value ($000) $2,068 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 8,965 Value ($000) $2,399 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 8,965 Value ($000) $2,399 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 9,407 Value ($000) $2,976 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 7,009 Value ($000) $2,080 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 7,024 Value ($000) $1,635 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 7,355 Value ($000) $1,720 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 29,891 Value ($000) $7,066 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 30,363 Value ($000) $9,137 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 35,251 Value ($000) $12,455 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 40,408 Value ($000) $11,728 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 38,509 Value ($000) $10,545 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 47,757 Value ($000) $15,214 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 47,404 Value ($000) $14,843 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 49,019 Value ($000) $13,302 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 43,643 Value ($000) $11,933 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 24,983 Value ($000) $7,085 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 21,678 Value ($000) $6,786 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 8,356 Value ($000) $2,021 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 8,350 Value ($000) $2,174 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 8,468 Value ($000) $2,594 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 8,702 Value ($000) $2,539 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 8,675 Value ($000) $3,504 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 8,564 Value ($000) $3,616 Avg Close $394.14 Range $334.40 - $480.18