BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2025
Shares 1,720,595 Value ($000) $302,815 Avg Close $163.37 Range $138.00 - $185.17
Q4 2021
Shares 313,782 Value ($000) $75,279 Avg Close $257.12 Range $221.72 - $290.76
Q3 2021
Shares 332,589 Value ($000) $94,126 Avg Close $327.75 Range $282.64 - $372.12
Q2 2021
Shares 321,083 Value ($000) $111,195 Avg Close $302.94 Range $257.03 - $468.55
Q1 2021
Shares 306,036 Value ($000) $85,588 Avg Close $269.69 Range $238.40 - $296.38
Q4 2020
Shares 292,815 Value ($000) $71,699 Avg Close $259.08 Range $223.25 - $363.92
Q3 2020
Shares 291,865 Value ($000) $82,796 Avg Close $278.91 Range $261.87 - $312.00
Q2 2020
Shares 304,774 Value ($000) $81,537 Avg Close $300.59 Range $257.60 - $350.24
Q1 2020
Shares 339,414 Value ($000) $107,326 Avg Close $303.47 Range $262.25 - $374.99
Q4 2019
Shares 1,401,256 Value ($000) $415,765 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 1,512,448 Value ($000) $352,875 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 1,569,859 Value ($000) $367,141 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 922,718 Value ($000) $218,113 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 176,007 Value ($000) $52,964 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 172,087 Value ($000) $60,800 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 262,127 Value ($000) $76,080 Avg Close $281.15 Range $249.17 - $310.91