BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

TD PRIVATE CLIENT WEALTH LLC's Holding History (CIK: 0001551017)

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

Q4 2025

Shares 457 Value ($000) $80 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 414 Value ($000) $58 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 338 Value ($000) $42 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 12 Value ($000) $2 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 52 Value ($000) $8 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 385 Value ($000) $75 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 308 Value ($000) $71 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 336 Value ($000) $72 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 3,133 Value ($000) $811 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 3,427 Value ($000) $881 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 4,388 Value ($000) $1,250 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 4,677 Value ($000) $1,300 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 4,887 Value ($000) $1,353 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 5,705 Value ($000) $1,523 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 5,752 Value ($000) $1,173 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 5,028 Value ($000) $1,059 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 255 Value ($000) $61 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 318 Value ($000) $90 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 342 Value ($000) $118 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 318 Value ($000) $89 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 290 Value ($000) $71 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 403 Value ($000) $114 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 690 Value ($000) $185 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 821 Value ($000) $260 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 2,820 Value ($000) $837 Avg Close $277.46 Range $219.70 - $318.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	457	$80	$163.37	$138.00 - $185.17
Q3 2025	414	$58	$135.17	$121.05 - $150.28
Q2 2025	338	$42	$124.60	$110.04 - $137.32
Q1 2025	12	$2	$142.96	$128.51 - $157.09
Q4 2024	52	$8	$168.67	$145.07 - $195.00
Q3 2024	385	$75	$209.21	$188.78 - $238.00
Q2 2024	308	$71	$217.32	$189.44 - $237.54
Q1 2024	336	$72	$234.20	$211.02 - $268.30
Q4 2023	3,133	$811	$245.62	$220.86 - $269.43
Q3 2023	3,427	$881	$267.47	$251.85 - $287.60
Q2 2023	4,388	$1,250	$297.86	$273.39 - $319.76
Q1 2023	4,677	$1,300	$276.70	$254.80 - $295.90
Q4 2022	4,887	$1,353	$282.44	$250.31 - $311.88
Q3 2022	5,705	$1,523	$212.38	$193.65 - $283.44
Q2 2022	5,752	$1,173	$204.43	$187.16 - $225.50
Q1 2022	5,028	$1,059	$217.46	$192.67 - $249.00
Q4 2021	255	$61	$257.12	$221.72 - $290.76
Q3 2021	318	$90	$327.75	$282.64 - $372.12
Q2 2021	342	$118	$302.94	$257.03 - $468.55
Q1 2021	318	$89	$269.69	$238.40 - $296.38
Q4 2020	290	$71	$259.08	$223.25 - $363.92
Q3 2020	403	$114	$278.91	$261.87 - $312.00
Q2 2020	690	$185	$300.59	$257.60 - $350.24
Q1 2020	821	$260	$303.47	$262.25 - $374.99
Q4 2019	2,820	$837	$277.46	$219.70 - $318.00