DOSSIER · 13F Holders · Q2 2026
OII

OCEANEERING INTL INC

395 institutions still hold OCEANEERING INTL INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 675232102·395 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$3.0B
visible holders
Holders
395
filers reporting
Concentration
21.92%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

395 institutions reported OII in Q2 2026. BlackRock, Inc. leads at 21.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$665M16.4M0.01%Q2 2026
02
Vanguard Portfolio Management
CIK 0002100121· Index
$321M7.9M0.01%Q2 2026
03
STATE STREET CORP
CIK 0000093751
$202M5.0M0.01%Q2 2026
04
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$182M4.5M0.00%Q2 2026
05
BROWN ADVISORY INC
CIK 0001345929
$178M7.4M0.25%Q4 2025
06
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$163M4.0M0.07%Q2 2026
07
EARNEST PARTNERS LLC
CIK 0001102578
$144M3.5M0.52%Q2 2026
08
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$144M3.5M0.03%Q2 2026
09
Neuberger Berman Group LLC
CIK 0001465109
$131M3.2M0.09%Q2 2026
10
Morgan Stanley Institutional Investment Advisors LLC
CIK 0002026079
$124M3.1M11.60%Q2 2026
11
FRANKLIN RESOURCES INC
CIK 0000038777
$124M3.1M0.03%Q2 2026
12
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$115M2.8M0.01%Q2 2026
13
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 0000313028
$92M2.3M0.28%Q2 2026
14
Greenhouse Funds LLLP
CIK 0001626220
$77M1.9M3.93%Q2 2026
15
VAN ECK ASSOCIATES CORP
CIK 0000869178
$75M1.8M0.05%Q2 2026
16
REINHART PARTNERS, LLC.
CIK 0001080298
$67M1.6M1.52%Q2 2026
17
LOOMIS SAYLES & CO L P
CIK 0000312348
$65M1.6M0.08%Q2 2026
18
NORTHERN TRUST CORP
CIK 0000073124· Index
$56M1.4M0.01%Q2 2026
19
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$54M1.3M0.01%Q2 2026
20
Delaware Management Holdings, Inc.
CIK 0000921739
$54M1.3M0.08%Q2 2026
Page 1 of 20
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Insiders at OCEANEERING INTL INC
Murphy Paul B JrCurtis Alan RRoedel ShaunBeachy Karen HPoddar ReemaGoodwin Deanna LReinhardsen Jon ErikMcevoy M Kevin