OCEANEERING INTL INC

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OII·675232102·US·Common Stock·Energy - Oil & Gas Equipment & Services-13D/G

OII (OCEANEERING INTL INC) is held by 171 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($664.7M), VANGUARD PORTFOLIO MANAGEMENT LLC ($321.2M), STATE STREET CORP ($202.4M). Net institutional sentiment: Mixed.

171

Holders

(18 Elite)

$3.5B

Total Value

60% (180)

Consensus

108 buying - 72 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)58

Insider (Form 4)33

Activist (13D/13G)36

Congressional (STOCK Act)67

Holder Quality

10

★★★★★

Elite

36

★★★★

Strong

18

★★★

Solid

56

★★

Below

69

★

Weak

Held by 171 funds

18 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders May 19, 2026 · Activists Aug 14, 2026 · Congress none

ActivistBROWN ADVISORY INC5.1%Aug 14, 2026

InsiderLALARSON RODERICK A.Sell $191KMay 18, 2026

ActivistSTATE STREET CORPORATION5.1%May 12, 2026

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Top Holders

Top Holders (171)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	16.4M(+0.3%)	$664.7M	0.0%	+91.50%	32
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	7.9M(+4.6%)	$321.2M	0.0%	+40.15%	32
STATE STREET CORP	Decreased	5M(-0.8%)	$202.4M	0.0%	+119.16%	0
BROWN ADVISORY INC	Decreased	5M(-14.2%)	$201.3M	0.3%	+148.47%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	4.5M(+0.1%)	$181.7M	0.0%	+41.05%	30
AMERICAN CENTURY COMPANIES INC	Increased	4M(+6.8%)	$163.1M	0.1%	+121.52%	33
EARNEST PARTNERS LLC	Decreased	3.5M(-3.7%)	$143.7M	0.5%	+161.51%	0
DIMENSIONAL FUND ADVISORS LP	Increased	3.5M(+2.5%)	$143.7M	0.0%	+158.01%	31
Neuberger Berman Group LLC	Increased	3.2M(+0.3%)	$130.8M	0.1%	+178.38%	30
FRANKLIN RESOURCES INC	Increased	3.1M(+269.5%)	$124M	0.0%	+35.83%	49
GEODE CAPITAL MANAGEMENT, LLC	Increased	2.8M(+19.5%)	$115.1M	0.0%	+149.16%	36
BARROW HANLEY MEWHINNEY & STRAUSS LLC	Increased	2.3M(+60.0%)	$92.1M	0.3%	+33.48%	51
LOOMIS SAYLES & CO L P	Decreased	1.6M(-5.5%)	$65.1M	0.1%	+99.59%	0
NORTHERN TRUST CORP	Increased	1.4M(+8.2%)	$55.6M	0.0%	+149.97%	32
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	1.3M(-3.1%)	$54.3M	0.0%	+259.25%	0
NANOMURA ASSET MANAGEMENT INTERNATIONAL INC.	New	1.3M	$53.9M	0.1%	+22.46%	41
MORGAN STANLEY	Increased	1.2M(+16.1%)	$48.9M	0.0%	+90.06%	34
Bank of New York Mellon Corp	Increased	1.1M(+49.2%)	$45.7M	0.0%	+86.39%	40
GOLDMAN SACHS GROUP INC	Increased	1.1M(+7.7%)	$43.6M	0.0%	+90.57%	31
ROYAL BANK OF CANADA	Decreased	932,192(-11.1%)	$37.8M	0.0%	+115.23%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer