BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

KORNITZER CAPITAL MANAGEMENT INC /KS's Holding History (CIK: 0000898358)

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

Q4 2023

Shares 2,075 Value ($000) $537 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 1,450 Value ($000) $373 Avg Close $267.47 Range $251.85 - $287.60

Q3 2020

Shares 2,000 Value ($000) $567 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 2,000 Value ($000) $535 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 2,000 Value ($000) $633 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 2,000 Value ($000) $593 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 13,326 Value ($000) $3,103 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 14,376 Value ($000) $3,362 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 14,907 Value ($000) $3,524 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 15,012 Value ($000) $4,517 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 15,017 Value ($000) $5,306 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 15,632 Value ($000) $4,537 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 31,610 Value ($000) $8,655 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 31,370 Value ($000) $9,994 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 35,050 Value ($000) $10,975 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 38,985 Value ($000) $10,579 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 40,890 Value ($000) $11,180 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 40,345 Value ($000) $11,441 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 40,442 Value ($000) $12,660 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 40,412 Value ($000) $9,772 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 42,227 Value ($000) $10,993 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 40,512 Value ($000) $12,411 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 34,630 Value ($000) $10,105 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 12,428 Value ($000) $5,020 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 8,579 Value ($000) $3,622 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 22,684 Value ($000) $7,700 Avg Close $323.51 Range $290.85 - $361.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	2,075	$537	$245.62	$220.86 - $269.43
Q3 2023	1,450	$373	$267.47	$251.85 - $287.60
Q3 2020	2,000	$567	$278.91	$261.87 - $312.00
Q2 2020	2,000	$535	$300.59	$257.60 - $350.24
Q1 2020	2,000	$633	$303.47	$262.25 - $374.99
Q4 2019	2,000	$593	$277.46	$219.70 - $318.00
Q3 2019	13,326	$3,103	$232.85	$215.78 - $246.99
Q2 2019	14,376	$3,362	$230.90	$219.20 - $245.35
Q1 2019	14,907	$3,524	$314.89	$216.12 - $344.00
Q4 2018	15,012	$4,517	$319.14	$278.46 - $358.41
Q3 2018	15,017	$5,306	$344.30	$288.13 - $388.67
Q2 2018	15,632	$4,537	$281.15	$249.17 - $310.91
Q1 2018	31,610	$8,655	$310.41	$259.76 - $370.57
Q4 2017	31,370	$9,994	$320.80	$301.81 - $348.84
Q3 2017	35,050	$10,975	$296.11	$269.50 - $330.00
Q2 2017	38,985	$10,579	$264.42	$244.28 - $291.90
Q1 2017	40,890	$11,180	$282.75	$260.50 - $301.42
Q4 2016	40,345	$11,441	$296.43	$268.00 - $329.83
Q3 2016	40,442	$12,660	$296.18	$240.07 - $333.65
Q2 2016	40,412	$9,772	$263.54	$223.02 - $292.69
Q1 2016	42,227	$10,993	$264.15	$242.07 - $301.02
Q4 2015	40,512	$12,411	$287.35	$254.00 - $311.65
Q3 2015	34,630	$10,105	$330.23	$265.00 - $412.24
Q2 2015	12,428	$5,020	$401.33	$368.88 - $432.88
Q1 2015	8,579	$3,622	$394.14	$334.40 - $480.18
Q4 2014	22,684	$7,700	$323.51	$290.85 - $361.93