BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Sky Investment Group LLC's Holding History (CIK: 0001333792)

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

Q2 2018
Shares 1,081 Value ($000) $314 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 1,191 Value ($000) $326 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 1,141 Value ($000) $363 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 1,151 Value ($000) $360 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 1,151 Value ($000) $312 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 1,151 Value ($000) $315 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 1,181 Value ($000) $335 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 1,271 Value ($000) $398 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 1,321 Value ($000) $319 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 1,321 Value ($000) $344 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 1,301 Value ($000) $399 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 1,551 Value ($000) $453 Avg Close $330.23 Range $265.00 - $412.24