BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q4 2025
Shares 798,774 Value ($000) $140,576 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 2,039 Value ($000) $286 Avg Close $135.17 Range $121.05 - $150.28
Q1 2025
Shares 12,159 Value ($000) $1,664 Avg Close $142.96 Range $128.51 - $157.09
Q4 2023
Shares 13,235 Value ($000) $3,425 Avg Close $245.62 Range $220.86 - $269.43
Q2 2023
Shares 125,980 Value ($000) $35,885 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 269,438 Value ($000) $74,912 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 332,065 Value ($000) $91,955 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 144,032 Value ($000) $38,457 Avg Close $212.38 Range $193.65 - $283.44
Q2 2021
Shares 85,613 Value ($000) $29,645 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 17,725 Value ($000) $4,959 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 3,959 Value ($000) $969 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 17 Value ($000) $5 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 3,867 Value ($000) $1,035 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 163,090 Value ($000) $51,598 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 138,845 Value ($000) $41,199 Avg Close $277.46 Range $219.70 - $318.00
Q2 2019
Shares 42 Value ($000) $10 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 2,021 Value ($000) $478 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 217,131 Value ($000) $65,339 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 297,536 Value ($000) $105,122 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 12,801 Value ($000) $3,715 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 14,421 Value ($000) $3,949 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 13,329 Value ($000) $4,246 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 7,792 Value ($000) $2,440 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 6,542 Value ($000) $1,775 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 13,403 Value ($000) $3,665 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 536,029 Value ($000) $152,007 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 449,722 Value ($000) $140,776 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 588,381 Value ($000) $142,283 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 707,903 Value ($000) $184,282 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 586,352 Value ($000) $179,629 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 468,918 Value ($000) $136,835 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 871,995 Value ($000) $352,234 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 852,902 Value ($000) $360,129 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 600,510 Value ($000) $203,843 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 429,700 Value ($000) $142,149 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 473,599 Value ($000) $149,331 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 507,819 Value ($000) $155,327 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 579,630 Value ($000) $162,048 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 325,895 Value ($000) $78,463 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 261,054 Value ($000) $56,178 Avg Close $213.68 Range $191.80 - $242.64