GROUP ONE TRADING LLC

Position in OII — Oceaneering International Inc

CIK 932540 CHICAGO, IL

Position in OII

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

Position Value

$166,496

+$160,225 QoQ

Shares Held

4,694

+1698.5% QoQ

Ownership

0.005%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

11 quarters on record

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

Energy · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $26,226,859 across 23 Oil & Gas Equipment & Services names. OII ranks #8 (0.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SLB	Slb Limited/Nv	310,975	$15,981,005
2	TDW	Tidewater Inc	62,548	$5,225,885
3	BKR	Baker Hughes Co	27,672	$1,689,375
4	WFRD	Weatherford International plc	10,255	$969,917
5	PUMP	ProPetro Holding Corp.	37,880	$545,850
6	KGS	Kodiak Gas Services, Inc.	8,850	$516,132
7	TS	Tenaris SA	8,713	$506,922
8	OII	Oceaneering International Inc This page	4,694	$166,496

11 filing rows on record

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