BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Nikko Asset Management Americas, Inc.'s Holding History (CIK: 0001480751)

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

Q3 2017
Shares 900 Value ($000) $282 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 1,400 Value ($000) $380 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 1,400 Value ($000) $383 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 700 Value ($000) $199 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 1,200 Value ($000) $376 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 2,000 Value ($000) $478 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 2,000 Value ($000) $508 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 1,300 Value ($000) $401 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 1,300 Value ($000) $362 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 1,300 Value ($000) $515 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 1,300 Value ($000) $561 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 1,300 Value ($000) $445 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 1,300 Value ($000) $429 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 1,300 Value ($000) $414 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 1,300 Value ($000) $382 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 1,400 Value ($000) $391 Avg Close $258.65 Range $221.07 - $298.82