LETKO, BROSSEAU & ASSOCIATES INC

Position in BIIB — Biogen Inc.

CIK 1297496 MONTREAL, A8

Position in BIIB

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$31,666,185

+$4,008,105 QoQ

Shares Held

146,562

-2.9% QoQ

Ownership

0.099%

of shares outstanding

% of Portfolio

0.47%

of 13F equity value

Holder Rank

#81

of 1,036 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 89% Shared 0% None 11%

Healthcare · as of Jun 30, 2026

LETKO, BROSSEAU & ASSOCIATES INC holds $328,752,612 across 5 Drug Manufacturers - General names. BIIB ranks #5 (9.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PFE	Pfizer Inc	4,124,748	$99,323,931
2	GSK	GSK plc	1,624,668	$85,165,096
3	ABBV	AbbVie Inc.	270,009	$67,945,064
4	MRK	Merck & Co., Inc.	347,489	$44,652,336
5	BIIB	Biogen Inc. This page	146,562	$31,666,185

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$31,666,185	146,562	-2.9%	Shares	Sole	2026-08-13
2026-03-31	$27,658,080	150,865	+16.2%	Shares	Sole	2026-05-12
2025-12-31	$22,839,982	129,780	+7.6%	Shares	Sole	2026-02-11
2025-09-30	$16,896,449	120,620	+2.5%	Shares	Sole	2025-11-12
2025-06-30	$14,776,291	117,655	+1.8%	Shares	Sole	2025-08-08
2025-03-31	$15,820,072	115,610	-3.3%	Shares	Sole	2025-05-08
2024-12-31	$18,286,479	119,582	-10.0%	Shares	Sole	2025-02-14
2024-09-30	$25,763,662	132,912	+18.0%	Shares	Sole	2024-11-07
2024-06-30	$26,119,623	112,672	+7.0%	Shares	Sole	2024-08-06
2024-03-31	$22,707,348	105,307	+0.9%	Shares	Sole	2024-05-08
2023-12-31	$27,019,210	104,414	-3.5%	Shares	Sole	2024-02-12
2023-09-30	$27,813,365	108,219	-0.9%	Shares	Sole	2023-11-09
2023-06-30	$31,101,347	109,185	-5.7%	Shares	Sole	2023-08-10
2023-03-31	$32,175,021	115,725	-0.3%	Shares	Sole	2023-05-11
2022-12-31	$32,138,781	116,058	-2.7%	Shares	Sole	2023-05-04
2022-09-30	$31,860,576	119,328	-2.4%	Shares	Sole	2022-11-10
2022-06-30	$24,936,355	122,273	+0.1%	Shares	Sole	2022-08-09
2022-03-31	$25,718,050	122,118	-1.0%	Shares	Sole	2022-05-11
2021-12-31	$29,599,170	123,371	+2.8%	Shares	Sole	2022-02-09
2021-09-30	$33,957,668	119,996	-3.7%	Shares	Sole	2021-11-03
2021-06-30	$43,157,707	124,636	-1.5%	Shares	Sole	2021-07-29
2021-03-31	$35,407,398	126,568	-3.3%	Shares	Sole	2021-05-11
2020-12-31	$32,049,235	130,888	-7.6%	Shares	Sole	2021-02-05
2020-09-30	$40,169,939	141,603	-9.6%	Shares	Sole	2020-11-09
2020-06-30	$41,897,794	156,598	-4.5%	Shares	Sole	2020-08-07
2020-03-31	$51,900,873	164,046	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.