BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

SPHERA FUNDS MANAGEMENT LTD.'s Holding History (CIK: 0001496201)

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

Q4 2025
Shares 94,738 Value ($000) $16,673 Avg Close $163.37 Range $138.00 - $185.17
Q3 2025
Shares 82,738 Value ($000) $11,590 Avg Close $135.17 Range $121.05 - $150.28
Q2 2025
Shares 82,738 Value ($000) $10,391 Avg Close $124.60 Range $110.04 - $137.32
Q1 2025
Shares 22,738 Value ($000) $3,111 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 22,738 Value ($000) $3,477 Avg Close $168.67 Range $145.07 - $195.00
Q3 2024
Shares 24,455 Value ($000) $4,740 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 47,412 Value ($000) $10,991 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 70,646 Value ($000) $15,233 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 46,346 Value ($000) $11,993 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 25,846 Value ($000) $6,643 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 23,846 Value ($000) $6,793 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 33,516 Value ($000) $9,318 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 7,516 Value ($000) $2,081 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 55,500 Value ($000) $14,819 Avg Close $212.38 Range $193.65 - $283.44
Q4 2021
Shares 13,000 Value ($000) $3,119 Avg Close $257.12 Range $221.72 - $290.76
Q2 2021
Shares 23,995 Value ($000) $8,309 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 6,800 Value ($000) $1,902 Avg Close $269.69 Range $238.40 - $296.38
Q1 2019
Shares 30,000 Value ($000) $7,091 Avg Close $314.89 Range $216.12 - $344.00
Q2 2018
Shares 50,000 Value ($000) $14,512 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 65,000 Value ($000) $17,798 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 74,200 Value ($000) $23,638 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 105,000 Value ($000) $32,878 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 90,000 Value ($000) $24,422 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 75,000 Value ($000) $20,507 Avg Close $282.75 Range $260.50 - $301.42
Q3 2016
Shares 50,000 Value ($000) $15,652 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 50,500 Value ($000) $12,212 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 118,850 Value ($000) $30,939 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 123,850 Value ($000) $37,941 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 85,000 Value ($000) $24,804 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 60,730 Value ($000) $24,531 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 10,000 Value ($000) $4,222 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 40,000 Value ($000) $13,578 Avg Close $323.51 Range $290.85 - $361.93
Q2 2014
Shares 22,000 Value ($000) $6,937 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 17,000 Value ($000) $5,200 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 12,000 Value ($000) $3,357 Avg Close $258.65 Range $221.07 - $298.82