GROUP ONE TRADING LLC

Position in RMD — Resmed Inc

CIK 932540 CHICAGO, IL

Position in RMD

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$351,535

+$315,405 QoQ

Shares Held

1,566

+944.0% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

15 quarters on record

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

Healthcare · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $8,659,140 across 18 Medical Instruments & Supplies names. RMD ranks #7 (4.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALGN	Align Technology Inc	15,670	$2,686,308
2	BAX	Baxter International Inc	100,199	$1,683,343
3	WRBY	Warby Parker Inc.	73,164	$1,541,565
4	XRAY	DENTSPLY SIRONA Inc.	81,741	$948,195
5	ALC	Alcon Inc	6,591	$496,631
6	BDX	Becton Dickinson & Co	3,056	$480,494
7	RMD	Resmed Inc This page	1,566	$351,535
8	HOLX	HOLOGIC INC	2,979	$225,182

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$351,535	1,566	+944.0%	Shares	Sole	2026-05-13
2025-12-31	$36,130	150	-97.2%	Shares	Sole	2026-02-12
2025-06-30	$1,365,336	5,292	+122.4%	Shares	Sole	2025-08-14
2025-03-31	$532,539	2,379	-74.9%	Shares	Sole	2025-05-14
2024-12-31	$2,170,725	9,492	+38.5%	Shares	Sole	2025-05-14
2024-09-30	$1,672,710	6,852	-8.4%	Shares	Sole	2024-11-14
2023-12-31	$1,287,225	7,483	+18151.2%	Shares	Sole	2024-02-14
2023-09-30	$6,062	41	-57.3%	Shares	Sole	2023-11-09
2022-03-31	$23,280	96	-89.9%	Shares	Sole	2022-05-12
2021-12-31	$247,716	951	-40.2%	Shares	Sole	2022-02-11
2021-09-30	$418,780	1,589	-12.3%	Shares	Sole	2021-11-12
2021-06-30	$446,694	1,812	-87.5%	Shares	Sole	2021-08-10
2020-09-30	$2,493,620	14,546	+1760.1%	Shares	Sole	2020-11-12
2020-06-30	$150,144	782	-41.2%	Shares	Sole	2020-08-13
2020-03-31	$195,895	1,330	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.