BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

Engineers Gate Manager LP's Holding History (CIK: 0001620220)

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

Q2 2025

Shares 33,008 Value ($000) $4,145 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 76,958 Value ($000) $10,531 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 28,043 Value ($000) $4,288 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 17,992 Value ($000) $3,488 Avg Close $209.21 Range $188.78 - $238.00

Q1 2024

Shares 39,840 Value ($000) $8,591 Avg Close $234.20 Range $211.02 - $268.30

Q1 2023

Shares 3,462 Value ($000) $963 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 6,296 Value ($000) $1,743 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 2,649 Value ($000) $707 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 13,631 Value ($000) $2,780 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 11,336 Value ($000) $2,387 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 1,241 Value ($000) $298 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 2,715 Value ($000) $768 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 2,660 Value ($000) $921 Avg Close $302.94 Range $257.03 - $468.55

Q4 2020

Shares 12,908 Value ($000) $3,161 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 1,897 Value ($000) $538 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 8,938 Value ($000) $2,391 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 1,030 Value ($000) $326 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 16,204 Value ($000) $4,808 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 12,596 Value ($000) $2,933 Avg Close $232.85 Range $215.78 - $246.99

Q1 2019

Shares 10,300 Value ($000) $2,435 Avg Close $314.89 Range $216.12 - $344.00

Q1 2017

Shares 5,300 Value ($000) $1,449 Avg Close $282.75 Range $260.50 - $301.42

Q1 2015

Shares 1,759 Value ($000) $743 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 635 Value ($000) $216 Avg Close $323.51 Range $290.85 - $361.93

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	33,008	$4,145	$124.60	$110.04 - $137.32
Q1 2025	76,958	$10,531	$142.96	$128.51 - $157.09
Q4 2024	28,043	$4,288	$168.67	$145.07 - $195.00
Q3 2024	17,992	$3,488	$209.21	$188.78 - $238.00
Q1 2024	39,840	$8,591	$234.20	$211.02 - $268.30
Q1 2023	3,462	$963	$276.70	$254.80 - $295.90
Q4 2022	6,296	$1,743	$282.44	$250.31 - $311.88
Q3 2022	2,649	$707	$212.38	$193.65 - $283.44
Q2 2022	13,631	$2,780	$204.43	$187.16 - $225.50
Q1 2022	11,336	$2,387	$217.46	$192.67 - $249.00
Q4 2021	1,241	$298	$257.12	$221.72 - $290.76
Q3 2021	2,715	$768	$327.75	$282.64 - $372.12
Q2 2021	2,660	$921	$302.94	$257.03 - $468.55
Q4 2020	12,908	$3,161	$259.08	$223.25 - $363.92
Q3 2020	1,897	$538	$278.91	$261.87 - $312.00
Q2 2020	8,938	$2,391	$300.59	$257.60 - $350.24
Q1 2020	1,030	$326	$303.47	$262.25 - $374.99
Q4 2019	16,204	$4,808	$277.46	$219.70 - $318.00
Q3 2019	12,596	$2,933	$232.85	$215.78 - $246.99
Q1 2019	10,300	$2,435	$314.89	$216.12 - $344.00
Q1 2017	5,300	$1,449	$282.75	$260.50 - $301.42
Q1 2015	1,759	$743	$394.14	$334.40 - $480.18
Q4 2014	635	$216	$323.51	$290.85 - $361.93