GROUP ONE TRADING LLC

Position in OII — Oceaneering International Inc

CIK 932540 CHICAGO, IL

Position in OII

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

Position Value

$944,034

+$777,538 QoQ

Shares Held

23,298

+396.3% QoQ

Ownership

0.023%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#165

of 376 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $22,004,313 across 16 Oil & Gas Equipment & Services names. OII ranks #3 (4.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SLB	Slb Limited/Nv	386,954	$17,989,491
2	TDW	Tidewater Inc	17,492	$1,165,491
3	OII	Oceaneering International Inc This page	23,298	$944,034
4	BKR	Baker Hughes Co	13,268	$736,374
5	KGS	Kodiak Gas Services, Inc.	6,758	$507,728
6	TS	Tenaris SA	7,136	$395,976
7	HLX	Helix Energy Solutions Group Inc	7,712	$67,402
8	USAC	USA Compression Partners, LP	1,900	$50,141

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$944,034	23,298	+396.3%	Shares	Sole	2026-08-14
2026-03-31	$166,496	4,694	+1698.5%	Shares	Sole	2026-05-13
2025-12-31	$6,271	261	-93.3%	Shares	Sole	2026-02-12
2025-03-31	$84,949	3,895	+10427.0%	Shares	Sole	2025-05-14
2024-03-31	$865	37	-97.5%	Shares	Sole	2024-05-10
2023-12-31	$31,068	1,460	+54.0%	Shares	Sole	2024-02-14
2023-03-31	$16,713	948	-87.6%	Shares	Sole	2023-05-12
2021-12-31	$86,193	7,621	+1814.8%	Shares	Sole	2022-02-11
2020-12-31	$3,164	398	+33.6%	Shares	Sole	2021-02-10
2020-09-30	$1,048	298	-3.2%	Shares	Sole	2020-11-12
2020-06-30	$1,968	308	-88.1%	Shares	Sole	2020-08-13
2020-03-31	$7,594	2,583	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.