BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

MONTRUSCO BOLTON INVESTMENTS INC.'s Holding History (CIK: 0001475940)

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

Q3 2020

Shares 54,622 Value ($000) $14,988 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 51,981 Value ($000) $13,807 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 134,124 Value ($000) $40,745 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 46,368 Value ($000) $13,299 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 89,172 Value ($000) $26,069 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 88,120 Value ($000) $20,234 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 63,484 Value ($000) $14,304 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 60,607 Value ($000) $18,049 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 56,341 Value ($000) $19,878 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 42,851 Value ($000) $12,408 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 47,758 Value ($000) $13,049 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 37,045 Value ($000) $11,770 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 39,448 Value ($000) $12,326 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 38,703 Value ($000) $10,477 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 28,730 Value ($000) $7,839 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 28,993 Value ($000) $8,203 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 36,921 Value ($000) $11,529 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 44,049 Value ($000) $10,627 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 48,446 Value ($000) $12,564 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 54,863 Value ($000) $16,741 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 29,683 Value ($000) $8,648 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 29,697 Value ($000) $11,996 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 1,030 Value ($000) $435 Avg Close $394.14 Range $334.40 - $480.18

Q3 2014

Shares 2,680 Value ($000) $887 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 2,900 Value ($000) $914 Avg Close $300.97 Range $272.02 - $322.25

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	54,622	$14,988	$278.91	$261.87 - $312.00
Q2 2020	51,981	$13,807	$300.59	$257.60 - $350.24
Q1 2020	134,124	$40,745	$303.47	$262.25 - $374.99
Q4 2019	46,368	$13,299	$277.46	$219.70 - $318.00
Q3 2019	89,172	$26,069	$232.85	$215.78 - $246.99
Q2 2019	88,120	$20,234	$230.90	$219.20 - $245.35
Q1 2019	63,484	$14,304	$314.89	$216.12 - $344.00
Q4 2018	60,607	$18,049	$319.14	$278.46 - $358.41
Q3 2018	56,341	$19,878	$344.30	$288.13 - $388.67
Q2 2018	42,851	$12,408	$281.15	$249.17 - $310.91
Q1 2018	47,758	$13,049	$310.41	$259.76 - $370.57
Q4 2017	37,045	$11,770	$320.80	$301.81 - $348.84
Q3 2017	39,448	$12,326	$296.11	$269.50 - $330.00
Q2 2017	38,703	$10,477	$264.42	$244.28 - $291.90
Q1 2017	28,730	$7,839	$282.75	$260.50 - $301.42
Q4 2016	28,993	$8,203	$296.43	$268.00 - $329.83
Q3 2016	36,921	$11,529	$296.18	$240.07 - $333.65
Q2 2016	44,049	$10,627	$263.54	$223.02 - $292.69
Q1 2016	48,446	$12,564	$264.15	$242.07 - $301.02
Q4 2015	54,863	$16,741	$287.35	$254.00 - $311.65
Q3 2015	29,683	$8,648	$330.23	$265.00 - $412.24
Q2 2015	29,697	$11,996	$401.33	$368.88 - $432.88
Q1 2015	1,030	$435	$394.14	$334.40 - $480.18
Q3 2014	2,680	$887	$329.72	$298.31 - $349.00
Q2 2014	2,900	$914	$300.97	$272.02 - $322.25