BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TRILLIUM ASSET MANAGEMENT, LLC's Holding History (CIK: 0000884541)

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

Q4 2019
Shares 849 Value ($000) $252 Avg Close $277.46 Range $219.70 - $318.00
Q3 2019
Shares 1,441 Value ($000) $336 Avg Close $232.85 Range $215.78 - $246.99
Q2 2019
Shares 1,083 Value ($000) $253 Avg Close $230.90 Range $219.20 - $245.35
Q1 2019
Shares 21,914 Value ($000) $5,180 Avg Close $314.89 Range $216.12 - $344.00
Q4 2018
Shares 33,696 Value ($000) $10,140 Avg Close $319.14 Range $278.46 - $358.41
Q3 2018
Shares 35,178 Value ($000) $12,429 Avg Close $344.30 Range $288.13 - $388.67
Q2 2018
Shares 34,855 Value ($000) $10,116 Avg Close $281.15 Range $249.17 - $310.91
Q1 2018
Shares 35,064 Value ($000) $9,601 Avg Close $310.41 Range $259.76 - $370.57
Q4 2017
Shares 34,566 Value ($000) $11,012 Avg Close $320.80 Range $301.81 - $348.84
Q3 2017
Shares 35,065 Value ($000) $10,980 Avg Close $296.11 Range $269.50 - $330.00
Q2 2017
Shares 38,235 Value ($000) $10,375 Avg Close $264.42 Range $244.28 - $291.90
Q1 2017
Shares 37,969 Value ($000) $10,381 Avg Close $282.75 Range $260.50 - $301.42
Q4 2016
Shares 38,766 Value ($000) $10,993 Avg Close $296.43 Range $268.00 - $329.83
Q3 2016
Shares 40,764 Value ($000) $12,760 Avg Close $296.18 Range $240.07 - $333.65
Q2 2016
Shares 42,700 Value ($000) $10,326 Avg Close $263.54 Range $223.02 - $292.69
Q1 2016
Shares 45,787 Value ($000) $11,919 Avg Close $264.15 Range $242.07 - $301.02
Q4 2015
Shares 45,661 Value ($000) $13,988 Avg Close $287.35 Range $254.00 - $311.65
Q3 2015
Shares 46,538 Value ($000) $13,580 Avg Close $330.23 Range $265.00 - $412.24
Q2 2015
Shares 35,651 Value ($000) $14,401 Avg Close $401.33 Range $368.88 - $432.88
Q1 2015
Shares 23,731 Value ($000) $10,020 Avg Close $394.14 Range $334.40 - $480.18
Q4 2014
Shares 18,300 Value ($000) $6,212 Avg Close $323.51 Range $290.85 - $361.93