GROUP ONE TRADING LLC

Position in IRDM — Iridium Communications Inc.

CIK 932540 CHICAGO, IL

Position in IRDM

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

Position Value

$944,571

+$872,131 QoQ

Shares Held

17,221

+623.9% QoQ

Ownership

0.016%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#200

of 476 holders

Holding Since

Mar 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Communication Services · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $62,238,416 across 21 Telecom Services names. IRDM ranks #8 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CHTR	Charter Communications, Inc. /Mo/	164,097	$23,336,234
2	ECHO	EchoStar CORP	162,886	$16,532,929
3	SKM	Sk Telecom Co Ltd	187,459	$6,028,681
4	CMCSA	Comcast Corp	238,795	$5,862,417
5	LUMN	Lumen Technologies, Inc.	474,565	$3,644,659
6	VZ	Verizon Communications Inc	68,858	$2,915,447
7	KYIV	Kyivstar Group Ltd.	110,528	$1,787,237
8	IRDM	Iridium Communications Inc. This page	17,221	$944,571

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$944,571	17,221	+623.9%	Shares	Sole	2026-08-14
2024-09-30	$72,440	2,379	-34.7%	Shares	Sole	2024-11-14
2024-06-30	$97,003	3,644	+105.2%	Shares	Sole	2024-08-14
2024-03-31	$46,460	1,776	-57.9%	Shares	Sole	2024-05-10
2023-12-31	$173,818	4,223	-69.9%	Shares	Sole	2024-02-14
2023-09-30	$639,043	14,048	-20.6%	Shares	Sole	2023-11-09
2023-06-30	$1,099,213	17,695	+203.9%	Shares	Sole	2023-08-09
2022-03-31	$234,783	5,823	-39.0%	Shares	Sole	2022-05-12
2021-06-30	$381,544	9,541	+122.4%	Shares	Sole	2021-08-10
2020-12-31	$168,725	4,290	-82.5%	Shares	Sole	2021-02-10
2020-09-30	$627,630	24,536	+118.4%	Shares	Sole	2020-11-12
2020-06-30	$285,792	11,234	-37.7%	Shares	Sole	2020-08-13
2020-03-31	$402,341	18,018	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.