BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Beech Hill Advisors, Inc.'s Holding History (CIK: 0001356202)

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

Q4 2017
Shares 1,987 Value ($000) $633 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 1,470 Value ($000) $460 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 1,170 Value ($000) $317 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 1,265 Value ($000) $346 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 2,114 Value ($000) $599 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 2,084 Value ($000) $652 Avg Close $296.18 Range $240.07 - $333.65
Q1 2016
Shares 1,390 Value ($000) $362 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 2,176 Value ($000) $667 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 2,056 Value ($000) $600 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 2,303 Value ($000) $930 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 2,033 Value ($000) $858 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 1,957 Value ($000) $664 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 2,415 Value ($000) $799 Avg Close $329.72 Range $298.31 - $349.00
Q2 2014
Shares 1,985 Value ($000) $626 Avg Close $300.97 Range $272.02 - $322.25
Q1 2014
Shares 2,496 Value ($000) $763 Avg Close $317.43 Range $270.62 - $358.89
Q4 2013
Shares 2,175 Value ($000) $608 Avg Close $258.65 Range $221.07 - $298.82
Q3 2013
Shares 1,775 Value ($000) $427 Avg Close $223.81 Range $203.55 - $248.95
Q2 2013
Shares 1,300 Value ($000) $280 Avg Close $213.68 Range $191.80 - $242.64