BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

RA CAPITAL MANAGEMENT, L.P.'s Holding History (CIK: 0001346824)

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

Q3 2024
Shares 1,184,456 Value ($000) $229,595 Avg Close $209.21 Range $188.78 - $238.00
Q2 2024
Shares 982,139 Value ($000) $227,679 Avg Close $217.32 Range $189.44 - $237.54
Q1 2024
Shares 740,727 Value ($000) $159,723 Avg Close $234.20 Range $211.02 - $268.30
Q4 2023
Shares 532,892 Value ($000) $137,896 Avg Close $245.62 Range $220.86 - $269.43
Q3 2023
Shares 532,892 Value ($000) $136,959 Avg Close $267.47 Range $251.85 - $287.60
Q2 2023
Shares 532,892 Value ($000) $151,794 Avg Close $297.86 Range $273.39 - $319.76
Q1 2023
Shares 532,892 Value ($000) $148,160 Avg Close $276.70 Range $254.80 - $295.90
Q4 2022
Shares 532,892 Value ($000) $147,568 Avg Close $282.44 Range $250.31 - $311.88
Q3 2022
Shares 937,549 Value ($000) $250,325 Avg Close $212.38 Range $193.65 - $283.44
Q2 2022
Shares 727,024 Value ($000) $148,269 Avg Close $204.43 Range $187.16 - $225.50
Q1 2022
Shares 727,024 Value ($000) $153,111 Avg Close $217.46 Range $192.67 - $249.00
Q2 2015
Shares 2,600 Value ($000) $1,050 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 2,600 Value ($000) $1,098 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 2,600 Value ($000) $883 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 2,600 Value ($000) $860 Avg Close $329.72 Range $298.31 - $349.00