STATE OF WISCONSIN INVESTMENT BOARD

Position in OII — Oceaneering International Inc

CIK 854157 MADISON, WI

Position in OII

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$3,983,919

-$2,298,796 QoQ

Shares Held

112,318

-57.0% QoQ

Ownership

0.113%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

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

Energy · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $187,699,002 across 24 Oil & Gas Equipment & Services names. OII ranks #8 (2.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BKR	Baker Hughes Co	700,803	$42,784,023
2	SLB	Slb Limited/Nv	818,384	$42,056,753
3	FTI	TechnipFMC plc	485,651	$33,573,053
4	HAL	Halliburton Co	485,993	$18,948,867
5	WFRD	Weatherford International plc	127,319	$12,041,831
6	AROC	Archrock, Inc.	253,095	$8,807,706
7	WHD	Cactus, Inc.	131,798	$6,243,271
8	OII	Oceaneering International Inc This page	112,318	$3,983,919

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,983,919	112,318	-57.0%	Shares	Sole	2026-05-15
2025-12-31	$6,282,715	261,453	+7.8%	Shares	Sole	2026-02-17
2025-09-30	$6,007,390	242,429	+9.2%	Shares	Sole	2025-11-14
2025-06-30	$4,598,161	221,919	-2.1%	Shares	Sole	2025-08-14
2025-03-31	$4,941,448	226,568	-9.0%	Shares	Sole	2025-05-15
2024-12-31	$6,489,877	248,845	+8.5%	Shares	Sole	2025-02-14
2024-09-30	$5,703,561	229,335	-9.6%	Shares	Sole	2024-11-14
2024-06-30	$6,002,920	253,716	+3.2%	Shares	Sole	2024-08-14
2024-03-31	$5,755,042	245,942	+1.6%	Shares	Sole	2024-05-14
2023-12-31	$5,151,334	242,074	-6.4%	Shares	Sole	2024-02-12
2023-09-30	$6,653,146	258,676	-3.8%	Shares	Sole	2023-11-14
2023-06-30	$5,028,598	268,909	+2.2%	Shares	Sole	2023-08-14
2023-03-31	$4,637,959	263,072	-24.4%	Shares	Sole	2023-05-15
2022-12-31	$6,090,000	348,199	-39.4%	Shares	Sole	2023-02-14
2022-09-30	$4,575,352	574,793	+2.5%	Shares	Sole	2022-11-14
2022-06-30	$5,990,155	560,876	-27.9%	Shares	Sole	2022-08-15
2022-03-31	$11,786,581	777,479	+23.9%	Shares	Sole	2022-05-13
2021-12-31	$7,096,787	627,479	+11.7%	Shares	Sole	2022-02-11
2021-09-30	$7,481,564	561,679	0.0%	Shares	Sole	2021-11-12
2021-06-30	$8,745,342	561,679	+27.2%	Shares	Sole	2021-08-12
2021-03-31	$5,043,974	441,679	0.0%	Shares	Sole	2021-05-17
2020-12-31	$3,511,348	441,679	-11.1%	Shares	Sole	2021-02-03
2020-09-30	$1,748,310	496,679	0.0%	Shares	Sole	2020-11-16
2020-06-30	$3,173,778	496,679	0.0%	Shares	Sole	2020-08-12
2020-03-31	$1,460,236	496,679	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.