BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

VIKING FUND MANAGEMENT LLC's Holding History (CIK: 0001169069)

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

Q4 2020
Shares 2,350 Value ($000) $575 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 2,350 Value ($000) $667 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 2,350 Value ($000) $629 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 2,000 Value ($000) $633 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 2,000 Value ($000) $593 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 2,000 Value ($000) $466 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 2,000 Value ($000) $468 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 1,000 Value ($000) $236 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 1,000 Value ($000) $301 Avg Close $319.14 Range $278.46 - $358.41