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GROUP ONE TRADING LLC

Position in DXCM — Dexcom Inc

CIK 932540 CHICAGO, IL

Position in DXCM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$744,823
+$637,687 QoQ
Shares Held
11,059
+548.2% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#509
of 951 holders
Holding Since
Jun 2020
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in DXCM Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $20,255,900 across 37 Medical Devices names. DXCM ranks #6 (3.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 DXCM
Dexcom Inc
This page
11,059 $744,823

All Filings in DXCM

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $744,823 11,059
2026-03-31 $107,136 1,706
2025-12-31 $1,943,114 29,277
2025-09-30 $1,009,282 14,999
2025-06-30 $1,249,730 14,317
2024-12-31 $174,904 2,249
2024-09-30 $56,447 842
2024-06-30 $316,897 2,795
2024-03-31 $1,244,416 8,972
2023-12-31 $609,033 4,908
2023-09-30 $381,783 4,092
2022-09-30 $891,819 11,073
2022-06-30 $3,513,940 47,148
2022-03-31 $1,379,273 2,696
2021-12-31 $3,357,548 6,253
2020-12-31 $17,295,501 46,780
2020-09-30 $3,766,957 9,138
2020-06-30 $89,593 221