GROUP ONE TRADING LLC

Position in GASS — StealthGas Inc.

CIK 932540 CHICAGO, IL

Position in GASS

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

Position Value

$88,306

-$158,131 QoQ

Shares Held

11,178

-58.4% QoQ

Ownership

0.030%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#50

of 69 holders

Holding Since

Jun 2021

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $19,330,748 across 11 Marine Shipping names. GASS ranks #4 (0.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZIM	ZIM Integrated Shipping Services Ltd.	512,427	$13,323,102
2	NMM	Navios Maritime Partners L.P.	79,762	$5,588,923
3	HAFN	Hafnia Ltd	13,806	$91,671
4	GASS	StealthGas Inc. This page	11,178	$88,306
5	ASC	Ardmore Shipping Corp	5,188	$72,683
6	GSL	Global Ship Lease, Inc.	1,492	$56,099
7	PANL	Pangaea Logistics Solutions Ltd.	5,423	$35,249
8	CMRE	Costamare Inc.	2,156	$30,227

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$88,306	11,178	-58.4%	Shares	Sole	2026-08-14
2026-03-31	$246,437	26,845	+390.1%	Shares	Sole	2026-05-13
2025-06-30	$35,107	5,477	+72.7%	Shares	Sole	2025-08-14
2025-03-31	$17,916	3,171	-9.1%	Shares	Sole	2025-05-14
2024-09-30	$23,746	3,487	-30.1%	Shares	Sole	2024-11-14
2023-12-31	$32,248	4,992	-94.0%	Shares	Sole	2024-02-14
2023-09-30	$420,492	83,431	+915.6%	Shares	Sole	2023-11-09
2023-06-30	$34,995	8,215	+90.9%	Shares	Sole	2023-08-09
2023-03-31	$11,230	4,303	+186.1%	Shares	Sole	2023-05-12
2022-12-31	$4,030	1,504	-91.5%	Shares	Sole	2023-02-09
2022-09-30	$45,312	17,700	+13.5%	Shares	Sole	2022-11-09
2022-06-30	$50,076	15,600	+39.3%	Shares	Sole	2022-08-11
2021-06-30	$31,472	11,200	—	Shares	Sole	2021-08-10
No filing history on record for this holder in this stock.