BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025
Shares 59,496 Value ($000) $10,471 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 22,831 Value ($000) $3,198 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 22,028 Value ($000) $2,767 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 18,315 Value ($000) $2,506 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 32,694 Value ($000) $4,999 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 107,952 Value ($000) $20,926 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 105,351 Value ($000) $24,422 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 90,451 Value ($000) $19,505 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 89,614 Value ($000) $23,192 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 91,796 Value ($000) $23,592 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 91,261 Value ($000) $25,992 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 101,415 Value ($000) $28,197 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 97,432 Value ($000) $26,979 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 103,858 Value ($000) $27,730 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 111,122 Value ($000) $22,637 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 221,343 Value ($000) $46,591 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 253,960 Value ($000) $60,849 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 209,948 Value ($000) $59,513 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 83,852 Value ($000) $28,954 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 100,321 Value ($000) $27,078 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 99,160 Value ($000) $24,255 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 123,390 Value ($000) $34,996 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 125,320 Value ($000) $33,609 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 126,111 Value ($000) $39,902 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 126,652 Value ($000) $37,594 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 118,190 Value ($000) $27,295 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 106,304 Value ($000) $24,683 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 117,131 Value ($000) $27,533 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 133,676 Value ($000) $46,383 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 128,282 Value ($000) $45,294 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 169,606 Value ($000) $49,222 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 160,279 Value ($000) $43,889 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 332,431 Value ($000) $105,904 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 322,622 Value ($000) $101,019 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 316,737 Value ($000) $85,949 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 367,106 Value ($000) $100,373 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 291,519 Value ($000) $82,669 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 328,848 Value ($000) $102,940 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 113,554 Value ($000) $27,460 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 128,359 Value ($000) $33,414 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 126,136 Value ($000) $38,642 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 94,770 Value ($000) $27,655 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 197,241 Value ($000) $79,674 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 264,066 Value ($000) $111,494 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 334,820 Value ($000) $113,647 Avg Close $323.51 Range $290.85 - $361.93