SIMPLEX TRADING, LLC

Position in DXCM — Dexcom Inc

CIK 1488542 CHICAGO, IL

Position in DXCM

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$317,265

-$2,176,261 QoQ

Shares Held

5,052

-82.3% 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

13 quarters on record

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

Healthcare · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $10,644,342 across 49 Medical Devices names. DXCM ranks #7 (3.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PEN	Penumbra Inc	17,719	$5,818,388
2	ZBH	Zimmer Biomet Holdings, Inc.	6,887	$622,722
3	ENOV	Enovis CORP	27,193	$618,640
4	UFPT	Ufp Technologies Inc	2,376	$459,993
5	PRCT	PROCEPT BioRobotics Corp	16,725	$418,292
6	MDT	Medtronic plc	4,575	$396,423
7	DXCM	Dexcom Inc This page	5,052	$317,265
8	BRKR	Bruker Corp	6,729	$243,051

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$317,265	5,052	-82.3%	Shares	Sole	2026-05-14
2025-06-30	$2,493,526	28,566	-15.5%	Shares	Sole	2025-08-05
2025-03-31	$2,309,089	33,813	-40.4%	Shares	Sole	2025-05-12
2024-12-31	$4,408,547	56,687	+112.1%	Shares	Sole	2025-02-11
2024-09-30	$1,791,912	26,729	+22.9%	Shares	Sole	2024-11-08
2024-06-30	$2,465,901	21,749	+41.9%	Shares	Sole	2024-07-25
2024-03-31	$2,125,854	15,327	+167.3%	Shares	Sole	2024-04-25
2021-09-30	$783,787	5,733	-11.6%	Shares	Sole	2021-10-28
2021-06-30	$692,060	6,483	-42.2%	Shares	Sole	2021-08-12
2020-12-31	$1,037,249	11,222	+32.0%	Shares	Sole	2021-02-02
2020-09-30	$876,297	8,503	+65.3%	Shares	Sole	2020-10-14
2020-06-30	$521,344	5,144	-47.1%	Shares	Sole	2020-07-13
2020-03-31	$654,864	9,728	—	Shares	Sole	2020-04-29
No filing history on record for this holder in this stock.