BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025
Shares 45,349 Value ($000) $7,981 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 380,791 Value ($000) $53,341 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 624,371 Value ($000) $78,415 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 214,780 Value ($000) $29,390 Avg Close $142.96 Range $128.51 - $157.09
Q3 2023
Shares 196,954 Value ($000) $51 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 295,843 Value ($000) $84 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 290,740 Value ($000) $81 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 446,799 Value ($000) $124 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 630,496 Value ($000) $168,342 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 590,102 Value ($000) $120,345 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 988,077 Value ($000) $208,089 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 965,862 Value ($000) $231,730 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 274,119 Value ($000) $77,573 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 186,817 Value ($000) $64,689 Avg Close $302.94 Range $257.03 - $468.55
Q4 2020
Shares 316,606 Value ($000) $77,524 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 298,305 Value ($000) $84,623 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 710,599 Value ($000) $190,121 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 1,446,459 Value ($000) $457,631 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 2,420,191 Value ($000) $718,143 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 2,662,355 Value ($000) $619,849 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 2,494,757 Value ($000) $583,449 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 1,716,590 Value ($000) $405,768 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 1,524,089 Value ($000) $458,629 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 1,429,862 Value ($000) $505,184 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 1,806,787 Value ($000) $524,402 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 1,143,854 Value ($000) $313,210 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 49,000 Value ($000) $15,610 Avg Close $320.80 Range $301.81 - $348.84
Q2 2017
Shares 159,300 Value ($000) $43,228 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 5,100 Value ($000) $1,394 Avg Close $282.75 Range $260.50 - $301.42