LOOMIS SAYLES & CO L P

Position in OII — Oceaneering International Inc

CIK 312348 BOSTON, MA

Position in OII

as of Mar 31, 2026 · filed May 14, 2026 Compact

Position Value

$60,309,250

+$16,299,892 QoQ

Shares Held

1,700,289

-7.2% QoQ

Ownership

1.70%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2023

11 quarters on record

Voting authority Sole 97.53930067182696.ToString("F0")% Shared 0.ToString("F0")% None 2.460699328173034.ToString("F0")%

Energy · as of Mar 31, 2026

LOOMIS SAYLES & CO L P holds $226,000,240 across 10 Oil & Gas Equipment & Services names. OII ranks #1 (26.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	OII	Oceaneering International Inc This page	1,700,289	$60,309,250
2	WHD	Cactus, Inc.	843,693	$39,965,737
3	FTI	TechnipFMC plc	518,372	$35,835,056
4	KGS	Kodiak Gas Services, Inc.	443,304	$25,853,488
5	FLOC	Flowco Holdings Inc.	945,827	$19,484,035
6	INVX	Innovex International, Inc.	671,309	$16,373,226
7	WBI	WaterBridge Infrastructure LLC	600,602	$16,090,127
8	WFRD	Weatherford International plc	118,945	$11,249,817

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$60,309,250	1,700,289	-7.2%	Shares	Defined	2026-05-14
2025-12-31	$44,009,358	1,831,434	-3.5%	Shares	Defined	2026-02-12
2025-09-30	$47,008,576	1,897,037	-1.5%	Shares	Defined	2025-11-13
2025-06-30	$39,907,692	1,926,047	-6.9%	Shares	Defined	2025-08-13
2025-03-31	$45,118,608	2,068,712	-1.8%	Shares	Defined	2025-05-14
2024-12-31	$54,924,531	2,106,002	+14.5%	Shares	Defined	2025-02-12
2024-09-30	$45,730,259	1,838,772	+12.6%	Shares	Defined	2024-11-13
2024-06-30	$38,620,549	1,632,314	+14.6%	Shares	Defined	2024-08-13
2024-03-31	$33,321,084	1,423,978	-3.1%	Shares	Defined	2024-05-14
2023-12-31	$31,267,618	1,469,343	+22.9%	Shares	Defined	2024-02-13
2023-09-30	$30,757,698	1,195,867	—	Shares	Defined	2023-11-09
No filing history on record for this holder in this stock.