GROUP ONE TRADING LLC

Position in RMD — Resmed Inc

CIK 932540 CHICAGO, IL

Position in RMD

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$553,654

+$202,119 QoQ

Shares Held

2,841

+81.4% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#507

of 887 holders

Holding Since

Mar 2020

16 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $15,163,669 across 18 Medical Instruments & Supplies names. RMD ranks #6 (3.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ISRG	Intuitive Surgical Inc	15,245	$6,062,631
2	WRBY	Warby Parker Inc.	110,210	$3,343,771
3	BAX	Baxter International Inc	143,189	$3,052,789
4	BDX	Becton Dickinson & Co	6,394	$967,604
5	XRAY	DENTSPLY SIRONA Inc.	59,034	$626,350
6	RMD	Resmed Inc This page	2,841	$553,654
7	ALGN	Align Technology Inc	1,146	$193,284
8	MDLN	Medline Inc.	2,896	$114,218

16 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$553,654	2,841	+81.4%	Shares	Sole	2026-08-14
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.