BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ATLAS CAPITAL ADVISORS LLC's Holding History (CIK: 0001434165)

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

Q4 2025
Shares 2,844 Value ($000) $501 Avg Close $163.37 Range $138.00 - $185.17
Q3 2023
Shares 60 Value ($000) $15 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 88 Value ($000) $25 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 88 Value ($000) $24 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 685 Value ($000) $190 Avg Close $282.44 Range $250.31 - $311.88
Q4 2021
Shares 143 Value ($000) $34,308 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 1,684 Value ($000) $476,555 Avg Close $327.75 Range $282.64 - $372.12
Q4 2020
Shares 582 Value ($000) $142,508 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 2,450 Value ($000) $695,016 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 5,087 Value ($000) $1,361,027 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 130 Value ($000) $41,129 Avg Close $303.47 Range $262.25 - $374.99
Q2 2019
Shares 810 Value ($000) $189,434 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 4,348 Value ($000) $1,027,780 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 37 Value ($000) $11,134 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 37 Value ($000) $13,052 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 37 Value ($000) $13,134 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 63 Value ($000) $17,251 Avg Close $310.41 Range $259.76 - $370.57