SG Americas Securities, LLC

Broker-Dealer

Position in BIIB — Biogen Inc.

CIK 1313360 NEW YORK, NY

Position in BIIB

as of Mar 31, 2026 · filed Apr 16, 2026 Compact

Position Value

$35,871,814

+$3,519,749 QoQ

Shares Held

195,668

+6.4% QoQ

Ownership

0.133%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

SG Americas Securities, LLC holds $3,183,812,256 across 15 Drug Manufacturers - General names. BIIB ranks #9 (1.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	JNJ	Johnson & Johnson	4,010,908	$980,426,351
2	LLY	ELI LILLY & Co	652,281	$599,948,495
3	BMY	Bristol Myers Squibb Co	8,910,032	$540,393,440
4	PFE	Pfizer Inc	9,513,295	$267,133,323
5	ABBV	AbbVie Inc.	1,135,261	$246,907,914
6	MRK	Merck & Co., Inc.	1,665,520	$200,345,400
7	AMGN	Amgen Inc	442,661	$155,750,272
8	GILD	Gilead Sciences, Inc.	968,035	$134,915,037

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$35,871,814	195,668	+6.4%	Shares	Sole	2026-04-16
2025-12-31	$32,352,065	183,829	+1793.8%	Shares	Sole	2026-01-09
2025-09-30	$1,359,756	9,707	-56.8%	Shares	Sole	2025-10-23
2025-06-30	$2,822,007	22,470	-96.9%	Shares	Sole	2025-08-08
2025-03-31	$98,496,474	719,793	+19486.2%	Shares	Sole	2025-04-15
2024-09-30	$712,362	3,675	-90.9%	Shares	Sole	2024-10-03
2024-06-30	$9,316,845	40,190	-77.2%	Shares	Sole	2024-07-12
2024-03-31	$38,007,375	176,262	+1143.1%	Shares	Sole	2024-05-06
2023-12-31	$3,669,099	14,179	-14.4%	Shares	Sole	2024-01-12
2023-09-30	$4,257,627	16,566	-8.2%	Shares	Sole	2023-10-13
2023-06-30	$5,142,966	18,055	+33.9%	Shares	Sole	2023-07-10
2023-03-31	$3,749,234	13,485	-50.4%	Shares	Sole	2023-04-28
2022-12-31	$7,528,070	27,185	+289.9%	Shares	Sole	2023-02-02
2022-09-30	$1,861,524	6,972	-24.8%	Shares	Sole	2022-10-31
2022-06-30	$1,891,135	9,273	-85.8%	Shares	Sole	2022-07-29
2022-03-31	$13,771,976	65,394	+99.6%	Shares	Sole	2022-04-29
2021-12-31	$7,858,579	32,755	+53.8%	Shares	Sole	2022-02-07
2021-09-30	$6,027,404	21,299	+65.8%	Shares	Sole	2021-11-01
2021-06-30	$4,447,491	12,844	-57.2%	Shares	Sole	2021-08-12
2021-03-31	$8,392,779	30,001	-50.1%	Shares	Sole	2021-05-13
2020-12-31	$14,732,981	60,169	+89.0%	Shares	Sole	2021-02-04
2020-09-30	$9,031,520	31,837	-42.3%	Shares	Sole	2020-11-09
2020-06-30	$14,769,562	55,203	+520.6%	Shares	Sole	2020-07-20
2020-03-31	$2,814,200	8,895	—	Shares	Sole	2020-04-30
No filing history on record for this holder in this stock.