BIOGEN INC

Ticker: BIIB CUSIP: 09062X103 Class: COM

ROYAL BANK OF CANADA's Holding History (CIK: 0001000275)

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

Q4 2025

Shares 541,825 Value ($000) $95,356 Avg Close $163.37 Range $138.00 - $185.17

Q3 2025

Shares 498,120 Value ($000) $69,777 Avg Close $135.17 Range $121.05 - $150.28

Q2 2025

Shares 496,152 Value ($000) $62,311 Avg Close $124.60 Range $110.04 - $137.32

Q1 2025

Shares 330,562 Value ($000) $45,234 Avg Close $142.96 Range $128.51 - $157.09

Q4 2024

Shares 246,335 Value ($000) $37,670 Avg Close $168.67 Range $145.07 - $195.00

Q3 2024

Shares 343,194 Value ($000) $66,525 Avg Close $209.21 Range $188.78 - $238.00

Q2 2024

Shares 395,712 Value ($000) $91,734 Avg Close $217.32 Range $189.44 - $237.54

Q1 2024

Shares 403,278 Value ($000) $86,959 Avg Close $234.20 Range $211.02 - $268.30

Q4 2023

Shares 374,014 Value ($000) $96,785 Avg Close $245.62 Range $220.86 - $269.43

Q3 2023

Shares 306,554 Value ($000) $78,789 Avg Close $267.47 Range $251.85 - $287.60

Q2 2023

Shares 352,540 Value ($000) $100,422 Avg Close $297.86 Range $273.39 - $319.76

Q1 2023

Shares 286,881 Value ($000) $79,762 Avg Close $276.70 Range $254.80 - $295.90

Q4 2022

Shares 383,806 Value ($000) $106,284 Avg Close $282.44 Range $250.31 - $311.88

Q3 2022

Shares 252,429 Value ($000) $67,398 Avg Close $212.38 Range $193.65 - $283.44

Q2 2022

Shares 295,737 Value ($000) $60,313 Avg Close $204.43 Range $187.16 - $225.50

Q1 2022

Shares 262,271 Value ($000) $55,234 Avg Close $217.46 Range $192.67 - $249.00

Q4 2021

Shares 279,913 Value ($000) $67,158 Avg Close $257.12 Range $221.72 - $290.76

Q3 2021

Shares 291,019 Value ($000) $82,353 Avg Close $327.75 Range $282.64 - $372.12

Q2 2021

Shares 387,868 Value ($000) $134,308 Avg Close $302.94 Range $257.03 - $468.55

Q1 2021

Shares 351,736 Value ($000) $98,399 Avg Close $269.69 Range $238.40 - $296.38

Q4 2020

Shares 379,034 Value ($000) $92,809 Avg Close $259.08 Range $223.25 - $363.92

Q3 2020

Shares 419,791 Value ($000) $119,084 Avg Close $278.91 Range $261.87 - $312.00

Q2 2020

Shares 353,157 Value ($000) $94,490 Avg Close $300.59 Range $257.60 - $350.24

Q1 2020

Shares 297,579 Value ($000) $94,149 Avg Close $303.47 Range $262.25 - $374.99

Q4 2019

Shares 355,257 Value ($000) $105,416 Avg Close $277.46 Range $219.70 - $318.00

Q3 2019

Shares 366,728 Value ($000) $85,382 Avg Close $232.85 Range $215.78 - $246.99

Q2 2019

Shares 295,954 Value ($000) $69,214 Avg Close $230.90 Range $219.20 - $245.35

Q1 2019

Shares 382,812 Value ($000) $90,489 Avg Close $314.89 Range $216.12 - $344.00

Q4 2018

Shares 397,941 Value ($000) $119,747 Avg Close $319.14 Range $278.46 - $358.41

Q3 2018

Shares 448,435 Value ($000) $158,299 Avg Close $344.30 Range $288.13 - $388.67

Q2 2018

Shares 507,037 Value ($000) $147,162 Avg Close $281.15 Range $249.17 - $310.91

Q1 2018

Shares 647,320 Value ($000) $177,251 Avg Close $310.41 Range $259.76 - $370.57

Q4 2017

Shares 349,306 Value ($000) $111,278 Avg Close $320.80 Range $301.81 - $348.84

Q3 2017

Shares 300,474 Value ($000) $94,087 Avg Close $296.11 Range $269.50 - $330.00

Q2 2017

Shares 292,313 Value ($000) $79,322 Avg Close $264.42 Range $244.28 - $291.90

Q1 2017

Shares 349,286 Value ($000) $95,503 Avg Close $282.75 Range $260.50 - $301.42

Q4 2016

Shares 480,435 Value ($000) $136,243 Avg Close $296.43 Range $268.00 - $329.83

Q3 2016

Shares 373,987 Value ($000) $117,070 Avg Close $296.18 Range $240.07 - $333.65

Q2 2016

Shares 288,154 Value ($000) $69,680 Avg Close $263.54 Range $223.02 - $292.69

Q1 2016

Shares 299,826 Value ($000) $78,049 Avg Close $264.15 Range $242.07 - $301.02

Q4 2015

Shares 350,966 Value ($000) $107,518 Avg Close $287.35 Range $254.00 - $311.65

Q3 2015

Shares 231,529 Value ($000) $67,562 Avg Close $330.23 Range $265.00 - $412.24

Q2 2015

Shares 314,466 Value ($000) $127,026 Avg Close $401.33 Range $368.88 - $432.88

Q1 2015

Shares 252,895 Value ($000) $106,782 Avg Close $394.14 Range $334.40 - $480.18

Q4 2014

Shares 322,998 Value ($000) $109,643 Avg Close $323.51 Range $290.85 - $361.93

Q3 2014

Shares 291,793 Value ($000) $96,529 Avg Close $329.72 Range $298.31 - $349.00

Q2 2014

Shares 233,940 Value ($000) $73,763 Avg Close $300.97 Range $272.02 - $322.25

Q1 2014

Shares 243,497 Value ($000) $74,480 Avg Close $317.43 Range $270.62 - $358.89

Q4 2013

Shares 254,196 Value ($000) $71,066 Avg Close $258.65 Range $221.07 - $298.82

Q3 2013

Shares 207,015 Value ($000) $49,842 Avg Close $223.81 Range $203.55 - $248.95

Q2 2013

Shares 340,652 Value ($000) $73,308 Avg Close $213.68 Range $191.80 - $242.64

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	541,825	$95,356	$163.37	$138.00 - $185.17
Q3 2025	498,120	$69,777	$135.17	$121.05 - $150.28
Q2 2025	496,152	$62,311	$124.60	$110.04 - $137.32
Q1 2025	330,562	$45,234	$142.96	$128.51 - $157.09
Q4 2024	246,335	$37,670	$168.67	$145.07 - $195.00
Q3 2024	343,194	$66,525	$209.21	$188.78 - $238.00
Q2 2024	395,712	$91,734	$217.32	$189.44 - $237.54
Q1 2024	403,278	$86,959	$234.20	$211.02 - $268.30
Q4 2023	374,014	$96,785	$245.62	$220.86 - $269.43
Q3 2023	306,554	$78,789	$267.47	$251.85 - $287.60
Q2 2023	352,540	$100,422	$297.86	$273.39 - $319.76
Q1 2023	286,881	$79,762	$276.70	$254.80 - $295.90
Q4 2022	383,806	$106,284	$282.44	$250.31 - $311.88
Q3 2022	252,429	$67,398	$212.38	$193.65 - $283.44
Q2 2022	295,737	$60,313	$204.43	$187.16 - $225.50
Q1 2022	262,271	$55,234	$217.46	$192.67 - $249.00
Q4 2021	279,913	$67,158	$257.12	$221.72 - $290.76
Q3 2021	291,019	$82,353	$327.75	$282.64 - $372.12
Q2 2021	387,868	$134,308	$302.94	$257.03 - $468.55
Q1 2021	351,736	$98,399	$269.69	$238.40 - $296.38
Q4 2020	379,034	$92,809	$259.08	$223.25 - $363.92
Q3 2020	419,791	$119,084	$278.91	$261.87 - $312.00
Q2 2020	353,157	$94,490	$300.59	$257.60 - $350.24
Q1 2020	297,579	$94,149	$303.47	$262.25 - $374.99
Q4 2019	355,257	$105,416	$277.46	$219.70 - $318.00
Q3 2019	366,728	$85,382	$232.85	$215.78 - $246.99
Q2 2019	295,954	$69,214	$230.90	$219.20 - $245.35
Q1 2019	382,812	$90,489	$314.89	$216.12 - $344.00
Q4 2018	397,941	$119,747	$319.14	$278.46 - $358.41
Q3 2018	448,435	$158,299	$344.30	$288.13 - $388.67
Q2 2018	507,037	$147,162	$281.15	$249.17 - $310.91
Q1 2018	647,320	$177,251	$310.41	$259.76 - $370.57
Q4 2017	349,306	$111,278	$320.80	$301.81 - $348.84
Q3 2017	300,474	$94,087	$296.11	$269.50 - $330.00
Q2 2017	292,313	$79,322	$264.42	$244.28 - $291.90
Q1 2017	349,286	$95,503	$282.75	$260.50 - $301.42
Q4 2016	480,435	$136,243	$296.43	$268.00 - $329.83
Q3 2016	373,987	$117,070	$296.18	$240.07 - $333.65
Q2 2016	288,154	$69,680	$263.54	$223.02 - $292.69
Q1 2016	299,826	$78,049	$264.15	$242.07 - $301.02
Q4 2015	350,966	$107,518	$287.35	$254.00 - $311.65
Q3 2015	231,529	$67,562	$330.23	$265.00 - $412.24
Q2 2015	314,466	$127,026	$401.33	$368.88 - $432.88
Q1 2015	252,895	$106,782	$394.14	$334.40 - $480.18
Q4 2014	322,998	$109,643	$323.51	$290.85 - $361.93
Q3 2014	291,793	$96,529	$329.72	$298.31 - $349.00
Q2 2014	233,940	$73,763	$300.97	$272.02 - $322.25
Q1 2014	243,497	$74,480	$317.43	$270.62 - $358.89
Q4 2013	254,196	$71,066	$258.65	$221.07 - $298.82
Q3 2013	207,015	$49,842	$223.81	$203.55 - $248.95
Q2 2013	340,652	$73,308	$213.68	$191.80 - $242.64