GROUP ONE TRADING LLC

Position in GASS — StealthGas Inc.

CIK 932540 CHICAGO, IL

Position in GASS

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$246,437

+$211,330 QoQ

Shares Held

26,845

+390.1% QoQ

Ownership

0.072%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#37

of 71 holders

Holding Since

Jun 2021

12 quarters on record

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

Industrials · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $16,897,142 across 10 Marine Shipping names. GASS ranks #4 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ZIM	ZIM Integrated Shipping Services Ltd.	406,472	$10,710,537
2	NMM	Navios Maritime Partners L.P.	71,481	$4,823,537
3	SBLK	Star Bulk Carriers Corp.	25,526	$586,332
4	GASS	StealthGas Inc. This page	26,845	$246,437
5	SFL	SFL Corp Ltd.	15,890	$171,453
6	GSL	Global Ship Lease, Inc.	3,539	$131,756
7	PANL	Pangaea Logistics Solutions Ltd.	14,392	$101,895
8	DSX	Diana Shipping Inc.	32,601	$81,502

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.