BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

DAVIS R M INC's Holding History (CIK: 0000891287)

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

Q3 2018
Shares 1,227 Value ($000) $434 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 4,150 Value ($000) $1,204 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 1,120 Value ($000) $307 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 1,126 Value ($000) $359 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 936 Value ($000) $293 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 930 Value ($000) $252 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 937 Value ($000) $256 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 1,005 Value ($000) $285 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 1,205 Value ($000) $377 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 1,205 Value ($000) $291 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 1,835 Value ($000) $478 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 1,544 Value ($000) $473 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 1,534 Value ($000) $448 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 803 Value ($000) $324 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 790 Value ($000) $334 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 649 Value ($000) $220 Avg Close $323.51 Range $290.85 - $361.93
Q3 2014
Shares 644 Value ($000) $213 Avg Close $329.72 Range $298.31 - $349.00