Stocks
BIIB
ROYAL BANK OF CANADA

ROYAL BANK OF CANADA

Bank

CIK

1000275

City

TORONTO

State / Country

Stock

BIIB — Biogen Inc.

Top Portfolio Positions

4,501 positions · $462,456,013,176 total · as of Mar 31, 2026

Ticker	Company	Shares	Value (USD)	% of Portfolio
AAPL	Apple Inc. Technology	68,105,349	$17,284,456,516	3.74%
NVDA	Nvidia Corp Technology	99,020,851	$17,269,236,408	3.73%
SPY	Spdr S&P 500 ETF Trust	26,509,233	$17,240,014,580	3.73%
MSFT	Microsoft Corp Technology	37,816,179	$13,998,414,972	3.03%
RY	Royal Bank Of Canada Financial Services	73,050,835	$11,818,164,079	2.56%
TD	Toronto Dominion Bank Financial Services	119,089,618	$11,112,252,248	2.40%
GOOGL	Alphabet Inc. Communication Services	35,639,564	$10,248,513,015	2.22%
AMZN	Amazon Com Inc Consumer Cyclical	47,665,317	$9,927,255,560	2.15%
BMO	Bank Of Montreal /Can/ Financial Services	58,547,042	$7,923,756,660	1.71%
AVGO	Broadcom Inc. Technology	23,827,553	$7,374,865,920	1.59%

Portfolio Trend

52 quarters · across all stocks

Holdings in BIIB

Compact Export CSV

Shares Held

Position Value (USD)

36 quarters on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$97,417,340	531,377	-1.9%	Shares	Defined	2026-05-15
2025-12-31	$95,355,777	541,825	+8.8%	Shares	Defined	2026-02-17
2025-09-30	$69,776,645	498,120	+0.4%	Shares	Defined	2025-11-14
2025-06-30	$62,311,726	496,152	+50.1%	Shares	Defined	2025-11-21
2025-03-31	$45,234,100	330,562	+36629.1%	Shares	Defined	2025-11-21
2024-12-31	$137,628	900	-99.6%	Put	Defined	2025-02-14
2024-12-31	$37,669,544	246,335	-28.2%	Shares	Defined	2025-02-14
2024-09-30	$66,524,720	343,194	+38032.7%	Shares	Defined	2024-11-14
2024-09-30	$174,456	900	-99.8%	Put	Defined	2024-11-14
2024-06-30	$91,733,951	395,712	-1.9%	Shares	Defined	2024-11-06
2024-03-31	$86,958,830	403,278	+7.8%	Shares	Defined	2024-11-05
2023-12-31	$96,783,597	374,014	+22.0%	Shares	Defined	2024-02-14
2023-09-30	$78,787,439	306,554	-13.0%	Shares	Defined	2023-11-14
2023-06-30	$100,421,015	352,540	+22.9%	Shares	Defined	2023-08-14
2023-03-31	$79,761,520	286,881	-25.3%	Shares	Defined	2023-05-15
2022-12-31	$106,283,550	383,806	+52.0%	Shares	Defined	2023-02-14
2022-09-30	$67,398,543	252,429	-14.6%	Shares	Defined	2022-11-14
2022-06-30	$60,312,599	295,737	+15465.1%	Shares	Defined	2022-08-15
2022-03-31	$400,140	1,900	-99.3%	Put	Defined	2022-05-16
2022-03-31	$55,234,268	262,271	+5145.4%	Shares	Defined	2022-05-16
2021-12-31	$1,199,600	5,000	-98.2%	Put	Sole	2022-02-14
2021-12-31	$67,156,722	279,913	-3.8%	Shares	Defined	2022-02-14
2021-09-30	$82,355,460	291,019	+5720.4%	Shares	Defined	2021-11-15
2021-09-30	$1,414,950	5,000	-15.3%	Put	Sole	2021-11-15
2021-06-30	$2,042,993	5,900	-98.5%	Put	Defined	2021-08-16
2021-06-30	$134,307,047	387,868	+711.4%	Shares	Defined	2021-08-16
2021-03-31	$13,372,050	47,800	-86.4%	Put	Defined	2021-07-20
2021-03-31	$98,398,140	351,736	+449.6%	Shares	Defined	2021-07-20
2020-12-31	$15,671,040	64,000	-83.1%	Put	Defined	2021-02-16
2020-12-31	$92,810,259	379,034	-9.7%	Shares	Defined	2021-02-16
2020-09-30	$119,086,307	419,791	+588.2%	Shares	Defined	2020-11-16
2020-09-30	$17,304,480	61,000	0.0%	Put	Defined	2020-11-16
2020-06-30	$16,320,550	61,000	-82.7%	Put	Defined	2020-08-14
2020-06-30	$94,487,150	353,157	+18.7%	Shares	Defined	2020-08-14
2020-03-31	$94,148,040	297,579	+456.2%	Shares	Defined	2020-06-16
2020-03-31	$16,926,330	53,500	—	Put	Defined	2020-06-16
No 13F history on record for this holder in this stock.