BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ZACKS INVESTMENT MANAGEMENT's Holding History (CIK: 0001086483)

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

Q4 2020

Shares 909 Value ($000) $223 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 976 Value ($000) $277 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 26,386 Value ($000) $7,060 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 45,266 Value ($000) $14,321 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 45,049 Value ($000) $13,367 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 45,454 Value ($000) $10,583 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 45,393 Value ($000) $10,616 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 45,416 Value ($000) $10,735 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 44,850 Value ($000) $13,496 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 46,117 Value ($000) $16,294 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 37,807 Value ($000) $10,973 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 37,869 Value ($000) $10,369 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 37,637 Value ($000) $11,990 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 37,774 Value ($000) $11,828 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 21,581 Value ($000) $5,856 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 21,682 Value ($000) $5,928 Avg Close $282.75 Range $260.50 - $301.42

Q2 2015

Shares 1,124 Value ($000) $454 Avg Close $401.33 Range $368.88 - $432.88

Q4 2014

Shares 1,479 Value ($000) $502 Avg Close $323.51 Range $290.85 - $361.93

Q1 2014

Shares 1,390 Value ($000) $425 Avg Close $317.43 Range $270.62 - $358.89

Q3 2013

Shares 6,007 Value ($000) $1,446 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 6,018 Value ($000) $1,295 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	909	$223	$259.08	$223.25 - $363.92
Q3 2020	976	$277	$278.91	$261.87 - $312.00
Q2 2020	26,386	$7,060	$300.59	$257.60 - $350.24
Q1 2020	45,266	$14,321	$303.47	$262.25 - $374.99
Q4 2019	45,049	$13,367	$277.46	$219.70 - $318.00
Q3 2019	45,454	$10,583	$232.85	$215.78 - $246.99
Q2 2019	45,393	$10,616	$230.90	$219.20 - $245.35
Q1 2019	45,416	$10,735	$314.89	$216.12 - $344.00
Q4 2018	44,850	$13,496	$319.14	$278.46 - $358.41
Q3 2018	46,117	$16,294	$344.30	$288.13 - $388.67
Q2 2018	37,807	$10,973	$281.15	$249.17 - $310.91
Q1 2018	37,869	$10,369	$310.41	$259.76 - $370.57
Q4 2017	37,637	$11,990	$320.80	$301.81 - $348.84
Q3 2017	37,774	$11,828	$296.11	$269.50 - $330.00
Q2 2017	21,581	$5,856	$264.42	$244.28 - $291.90
Q1 2017	21,682	$5,928	$282.75	$260.50 - $301.42
Q2 2015	1,124	$454	$401.33	$368.88 - $432.88
Q4 2014	1,479	$502	$323.51	$290.85 - $361.93
Q1 2014	1,390	$425	$317.43	$270.62 - $358.89
Q3 2013	6,007	$1,446	$223.81	$203.55 - $248.95
Q2 2013	6,018	$1,295	$213.68	$191.80 - $242.64