DIMENSIONAL FUND ADVISORS LP

Position in OII — Oceaneering International Inc

CIK 354204 AUSTIN, TX

Back to OII Full portfolio

Position in OII

as of Mar 31, 2026 · filed May 7, 2026 Compact

Position Value

$122,788,234

+$39,234,292 QoQ

Shares Held

3,461,749

-0.4% QoQ

Ownership

3.47%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 89.89323027174991.ToString("F0")% Shared 7.047073603545491.ToString("F0")% None 3.059696124704593.ToString("F0")%

Common Shares in OII Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Equipment & Services

Energy · as of Mar 31, 2026

DIMENSIONAL FUND ADVISORS LP holds $4,726,362,664 across 39 Oil & Gas Equipment & Services names. OII ranks #11 (2.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SLB	Slb Limited/Nv	15,901,998	$817,203,675
2	BKR	Baker Hughes Co	11,416,362	$696,968,898
3	HAL	Halliburton Co	9,502,988	$370,521,500
4	NOV	NOV Inc.	19,404,319	$364,995,237
5	FTI	TechnipFMC plc	4,839,859	$334,579,450
6	LBRT	Liberty Energy Inc.	9,233,668	$265,929,636
7	AROC	Archrock, Inc.	5,524,830	$192,264,082
8	KGS	Kodiak Gas Services, Inc.	3,105,555	$181,115,965

All Filings in OII

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$122,788,234	3,461,749	-0.4%	Shares	Sole	2026-05-07
2025-12-31	$83,553,942	3,477,068	+5.8%	Shares	Sole	2026-02-12
2025-09-30	$81,425,863	3,285,951	+3.1%	Shares	Sole	2025-11-12
2025-06-30	$66,047,443	3,187,618	+14.8%	Shares	Sole	2025-08-12
2025-03-31	$60,555,811	2,776,516	+4.2%	Shares	Sole	2025-05-13
2024-12-31	$69,505,962	2,665,106	-0.8%	Shares	Sole	2025-02-13
2024-09-30	$66,834,939	2,687,372	-0.7%	Shares	Sole	2024-11-07
2024-06-30	$64,008,365	2,705,341	+1.7%	Shares	Sole	2024-08-09
2024-03-31	$62,276,759	2,661,400	-0.0%	Shares	Sole	2024-05-10
2023-12-31	$56,651,571	2,662,198	+1.3%	Shares	Sole	2024-02-07
2023-09-30	$67,592,595	2,628,017	-12.3%	Shares	Sole	2023-11-09
2023-06-30	$56,033,351	2,996,436	+2.9%	Shares	Sole	2023-08-09
2023-03-31	$51,326,640	2,911,324	+15.7%	Shares	Sole	2023-05-12
2022-12-31	$44,024,164	2,517,105	-10.8%	Shares	Sole	2023-02-09
2022-09-30	$22,465,943	2,822,355	-14.5%	Shares	Sole	2022-11-10
2022-06-30	$35,259,687	3,301,469	-8.3%	Shares	Sole	2022-08-12
2022-03-31	$54,590,553	3,600,960	+5.6%	Shares	Defined	2022-05-13
2021-12-31	$38,578,059	3,410,969	-6.9%	Shares	Defined	2022-02-09
2021-09-30	$48,800,856	3,663,728	-9.0%	Shares	Defined	2021-11-12
2021-06-30	$62,717,127	4,028,075	+8.5%	Shares	Defined	2021-08-12
2021-03-31	$42,385,843	3,711,545	-7.3%	Shares	Defined	2021-05-14
2020-12-31	$31,831,036	4,003,904	-7.2%	Shares	Defined	2021-03-08
2020-09-30	$15,186,628	4,314,383	-19.2%	Shares	Defined	2020-11-12
2020-06-30	$34,140,869	5,342,859	-26.7%	Shares	Defined	2020-08-13
2020-03-31	$21,428,292	7,288,535	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.