BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

FORSTA AP-FONDEN's Holding History (CIK: 0001603328)

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

Q4 2025

Shares 27,300 Value ($000) $4,805 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 25,200 Value ($000) $3,530 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 24,200 Value ($000) $3,039 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 23,000 Value ($000) $3,147 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 41,300 Value ($000) $6,316 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 28,100 Value ($000) $5,447 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 24,700 Value ($000) $5,726 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 27,800 Value ($000) $5,995 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 24,600 Value ($000) $6,366 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 28,100 Value ($000) $7,222 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 26,400 Value ($000) $7,520 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 27,600 Value ($000) $7,674 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 32,700 Value ($000) $9,055 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 30,700 Value ($000) $8,197 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 29,800 Value ($000) $6,077 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 25,700 Value ($000) $5,412 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 29,500 Value ($000) $7,078 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 31,400 Value ($000) $8,886 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 38,000 Value ($000) $13,158 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 28,200 Value ($000) $7,889 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 46,300 Value ($000) $11,337 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 33,300 Value ($000) $9,447 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 22,900 Value ($000) $6,127 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 19,800 Value ($000) $6,264 Avg Close $303.47 Range $262.25 - $374.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	27,300	$4,805	$163.37	$138.00 - $185.17
Q3 2025	25,200	$3,530	$135.17	$121.05 - $150.28
Q2 2025	24,200	$3,039	$124.60	$110.04 - $137.32
Q1 2025	23,000	$3,147	$142.96	$128.51 - $157.09
Q4 2024	41,300	$6,316	$168.67	$145.07 - $195.00
Q3 2024	28,100	$5,447	$209.21	$188.78 - $238.00
Q2 2024	24,700	$5,726	$217.32	$189.44 - $237.54
Q1 2024	27,800	$5,995	$234.20	$211.02 - $268.30
Q4 2023	24,600	$6,366	$245.62	$220.86 - $269.43
Q3 2023	28,100	$7,222	$267.47	$251.85 - $287.60
Q2 2023	26,400	$7,520	$297.86	$273.39 - $319.76
Q1 2023	27,600	$7,674	$276.70	$254.80 - $295.90
Q4 2022	32,700	$9,055	$282.44	$250.31 - $311.88
Q3 2022	30,700	$8,197	$212.38	$193.65 - $283.44
Q2 2022	29,800	$6,077	$204.43	$187.16 - $225.50
Q1 2022	25,700	$5,412	$217.46	$192.67 - $249.00
Q4 2021	29,500	$7,078	$257.12	$221.72 - $290.76
Q3 2021	31,400	$8,886	$327.75	$282.64 - $372.12
Q2 2021	38,000	$13,158	$302.94	$257.03 - $468.55
Q1 2021	28,200	$7,889	$269.69	$238.40 - $296.38
Q4 2020	46,300	$11,337	$259.08	$223.25 - $363.92
Q3 2020	33,300	$9,447	$278.91	$261.87 - $312.00
Q2 2020	22,900	$6,127	$300.59	$257.60 - $350.24
Q1 2020	19,800	$6,264	$303.47	$262.25 - $374.99