BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Duquesne Family Office LLC's Holding History (CIK: 0001536411)

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

Q4 2017
Shares 109,400 Value ($000) $34,852 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 48,000 Value ($000) $15,030 Avg Close $296.11 Range $269.50 - $330.00
Q1 2015
Shares 175,000 Value ($000) $73,892 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 359,400 Value ($000) $121,998 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 103,800 Value ($000) $34,338 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 103,800 Value ($000) $32,729 Avg Close $300.97 Range $272.02 - $322.25
Q4 2013
Shares 91,500 Value ($000) $25,581 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 91,500 Value ($000) $22,030 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 91,500 Value ($000) $19,691 Avg Close $213.68 Range $191.80 - $242.64