What is the 13F Pro Quality Score for OII?

13F Pro ranks OCEANEERING INTERNATIONAL INC (OII) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View OII's current score at https://13fpro.ai/research/OII (free sign-up required for the full ranking).

Which hedge funds own the most OII stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of OII include BlackRock,, VANGUARD PORTFOLIO MANAGEMENT, BROWN ADVISORY. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/OII as soon as new 13F filings post.

Where does 13F Pro source OII data?

All OCEANEERING INTERNATIONAL INC fundamentals and ownership data come directly from SEC EDGAR. OCEANEERING INTERNATIONAL INC files with the SEC under CIK 73756. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is OII in?

OCEANEERING INTERNATIONAL INC (OII) is classified in the Energy sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/energy.

How often is OII research updated on 13F Pro?

OII's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

OCEANEERING INTERNATIONAL INC(OII)Stock Analysis

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13F Pro Quality Score

64.9/100

Rank #608 of 2,860 stocksTOP 25%

View Energy peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

62.5/100

Profitability

68.2/100

Balance Sheet

81.8/100

Earnings Quality

90.2/100

Free Cash Flow

28.8/100

Institutional Flow

73.2/100

Revenue Scale

68.4/100

Dilution Risk

73.9/100

OII Stock Analysis & AI Quality Score

AI stock analysis and institutional research for OCEANEERING INTERNATIONAL INC (OII), a Energy sector company. 13F Pro's AI-powered ranking engine scores OII at 64.9/100 on a 32-signal composite quality model, placing it at rank #608 of 2,860 stocks — the top 25% of the AI-ranked universe. OII scores in the top quartile across earnings quality (90.2), balance sheet strength (81.8). Areas of concern include free cash flow (28.8), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), OCEANEERING INTERNATIONAL INC reports quarterly revenue of $692.4M, net income of $36.1M, an operating margin of 8.3%. Top institutional holders of OII by reported 13-F value include BlackRock,, VANGUARD PORTFOLIO MANAGEMENT, BROWN ADVISORY, based on the most recent SEC filings. OII trades on the NYSE exchange and files with the SEC under CIK 73756. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate OII daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for OCEANEERING INTERNATIONAL INC directly from SEC EDGAR. OCEANEERING INTERNATIONAL INC's 13F Pro composite quality score has ranged between 24 and 65 since 2021, currently 64.9 — an improving long-term trajectory across 28 quarterly and live scoring snapshots.

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Fun facts about OCEANEERING INTERNATIONAL INC

Quirks, history, and lore behind OII — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. energy services company · listed on the NYSE · headquartered in Houston, Texas · operates across multiple continents.
2
The Numbers
Annual revenue in the range of roughly $2 billion, with a workforce numbering in the tens of thousands — most of them working somewhere you'd never want to commute to.
3
The History
Founded in the 1960s, it grew alongside the boom in offshore oil and gas exploration, becoming a go-to contractor for work that happens well below the surface of the sea.
4
The Secret
Its bread and butter is remotely operated vehicles (ROVs) — submarine robots that do the dangerous, pitch-black work humans really shouldn't attempt at thousands of feet underwater.
5
The Lore
It also supports NASA and the U.S. Navy with subsea and space-related engineering — because apparently one hostile environment wasn't enough of a challenge.
6
The Giveaway
The world's largest fleet of work-class ROVs, a name that literally means navigating the ocean, and a ticker that's just three letters: OII.

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Revenue

Q1 2026

$692.4M

Net Income

Q1 2026

$36.1M

Free Cash Flow

Q1 2026

$-76.5M

Operating Margin

Q1 2026

8.3%

D/E Ratio

Q1 2026

0.44

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+9.8% YoY

$2.66BFY 2024

FY21 $1.87BFY22 $2.07BFY23 $2.42BFY24 $2.66B

Operating Income

+35.8% YoY

$246.3MFY 2024

FY21 $39.8MFY22 $110.9MFY23 $181.3MFY24 $246.3M

EPS (Diluted)

+51.6% YoY

$1.44FY 2024

FY21 $-0.49FY22 $0.26FY23 $0.95FY24 $1.44

Total Assets

+4.3% YoY

$2.34BFY 2024

FY21 $1.96BFY22 $2.03BFY23 $2.24BFY24 $2.34B

Total Debt

+1.0% YoY

$482.0MFY 2024

FY21 $702.1MFY22 $701.0MFY23 $477.1MFY24 $482.0M

Op. Cash Flow

-3.2% YoY

$203.2MFY 2024

FY21 $225.3MFY22 $120.9MFY23 $210.0MFY24 $203.2M

Metric	FY 2024	FY 2023	FY 2022	FY 2021	FY 2020	FY 2019
Revenue	$2.66B +9.8%	$2.42B +17.4%	$2.07B +10.5%	$1.87B +2.3%	$1.83B -10.8%	$2.05B
Operating Income	$246.3M +35.8%	$181.3M +63.6%	$110.9M +178.6%	$39.8M +108.9%	$-446.1M -53.4%	$-290.7M
EPS (Diluted)	$1.44 +51.6%	$0.95 +265.4%	$0.26 +153.1%	$-0.49 +90.2%	$-5.01 -42.3%	$-3.52
Total Assets	$2.34B +4.3%	$2.24B +10.2%	$2.03B +3.5%	$1.96B -4.1%	$2.05B -25.4%	$2.74B
Total Debt	$482.0M +1.0%	$477.1M -31.9%	$701.0M -0.2%	$702.1M -12.8%	$805.3M +1.1%	$796.5M
Operating Cash Flow	$203.2M -3.2%	$210.0M +73.7%	$120.9M -46.3%	$225.3M +64.9%	$136.6M -13.3%	$157.6M

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Available Research

13F Pro tracks comprehensive data for OCEANEERING INTERNATIONAL INC including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of OII

BlackRock, Inc.
$579.9M16,348,842 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$268.8M7,578,921 sh
BROWN ADVISORY INC
$205.3M5,788,601 sh
STATE STREET CORP
$178.6M5,034,196 sh
VANGUARD CAPITAL MANAGEMENT LLC
$158.9M4,478,763 sh
AMERICAN CENTURY COMPANIES INC
$133.6M3,766,674 sh
EARNEST PARTNERS LLC
$130.7M3,684,313 sh
DIMENSIONAL FUND ADVISORS LP
$122.8M3,461,749 sh
Morgan Stanley Institutional Investment Advisors LLC
$122.5M3,453,005 sh
Neuberger Berman Group LLC
$114.2M3,218,259 sh

Fund	Value	Shares
BlackRock, Inc.	$579.9M	16,348,842
VANGUARD PORTFOLIO MANAGEMENT LLC	$268.8M	7,578,921
BROWN ADVISORY INC	$205.3M	5,788,601
STATE STREET CORP	$178.6M	5,034,196
VANGUARD CAPITAL MANAGEMENT LLC	$158.9M	4,478,763
AMERICAN CENTURY COMPANIES INC	$133.6M	3,766,674
EARNEST PARTNERS LLC	$130.7M	3,684,313
DIMENSIONAL FUND ADVISORS LP	$122.8M	3,461,749
Morgan Stanley Institutional Investment Advisors LLC	$122.5M	3,453,005
Neuberger Berman Group LLC	$114.2M	3,218,259

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Is OII a good stock to buy?

13F Pro's AI-powered analysis of OCEANEERING INTERNATIONAL INC (OII) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Energy sector (listed on NYSE). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for OII are available on the OII stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own OII?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling OII. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of OCEANEERING INTERNATIONAL INC's investment landscape.