BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Banco Santander, S.A.'s Holding History (CIK: 0000891478)

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

Q1 2025
Shares 54,991 Value ($000) $7,525 Avg Close $142.96 Range $128.51 - $157.09
Q4 2024
Shares 47,809 Value ($000) $7,311 Avg Close $168.67 Range $145.07 - $195.00
Q1 2022
Shares 4,904 Value ($000) $1,033 Avg Close $217.46 Range $192.67 - $249.00
Q4 2021
Shares 2,177 Value ($000) $522 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 25,664 Value ($000) $7,263 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 25,593 Value ($000) $8,862 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 1,772 Value ($000) $496 Avg Close $269.69 Range $238.40 - $296.38
Q3 2020
Shares 3,180 Value ($000) $902 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 13,825 Value ($000) $3,699 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 282,841 Value ($000) $89,485 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 292,967 Value ($000) $86,933 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 342,795 Value ($000) $79,809 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 3,089 Value ($000) $722 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 355,801 Value ($000) $84,105 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 151,759 Value ($000) $45,667 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 80,676 Value ($000) $28,504 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 2,800 Value ($000) $813 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 2,451 Value ($000) $671 Avg Close $310.41 Range $259.76 - $370.57
Q2 2017
Shares 175,000 Value ($000) $47,488 Avg Close $264.42 Range $244.28 - $291.90