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Oceaneering International Inc

OII
Exchange
NYSE
Industry
Oil & Gas Field Services, NEC
SEC CIK
0000073756

In the last 90 days, Oceaneering International Inc insiders filed 0 open-market purchases and 5 sales; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.22B in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Oceaneering International Inc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
301
+17 vs. Q2 2025
Shares held
95.6M
−133.6K (−0.1%) vs. Q2 2025
Total value
$2.37B
+$385.4M (+19.4%) vs. Q2 2025
New holders
46
108 more added
Sold out
29
102 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OII on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 301 institutions
Q1 2021: 179 institutionsQ2 2021: 190 institutionsQ3 2021: 196 institutionsQ4 2021: 200 institutionsQ1 2022: 220 institutionsQ2 2022: 200 institutionsQ3 2022: 200 institutionsQ4 2022: 206 institutionsQ1 2023: 228 institutionsQ2 2023: 224 institutionsQ3 2023: 243 institutionsQ4 2023: 235 institutionsQ1 2024: 233 institutionsQ2 2024: 234 institutionsQ3 2024: 260 institutionsQ4 2024: 287 institutionsQ1 2025: 286 institutionsQ2 2025: 288 institutionsQ3 2025: 301 institutionsQ4 2025: 314 institutionsQ1 2026: 367 institutionsQ2 2026: 376 institutions
Value heldQ3 2025: $2.37B
Q1 2021: $994.6MQ2 2021: $1.37BQ3 2021: $1.16BQ4 2021: $984.8MQ1 2022: $1.36BQ2 2022: $986.3MQ3 2022: $725.9MQ4 2022: $1.63BQ1 2023: $1.67BQ2 2023: $1.76BQ3 2023: $2.39BQ4 2023: $2.01BQ1 2024: $2.24BQ2 2024: $2.36BQ3 2024: $2.51BQ4 2024: $2.62BQ1 2025: $2.10BQ2 2025: $1.99BQ3 2025: $2.37BQ4 2025: $2.41BQ1 2026: $3.61BQ2 2026: $4.22B
Institutions holding OII and their total value by quarter
QuarterHoldersValue
Q2 2026376$4.22B
Q1 2026367$3.61B
Q4 2025314$2.41B
Q3 2025301$2.37B
Q2 2025288$1.99B
Q1 2025286$2.10B
Q4 2024287$2.62B
Q3 2024260$2.51B
Q2 2024234$2.36B
Q1 2024233$2.24B
Q4 2023235$2.01B
Q3 2023243$2.39B
Q2 2023224$1.76B
Q1 2023228$1.67B
Q4 2022206$1.63B
Q3 2022200$725.9M
Q2 2022200$986.3M
Q1 2022220$1.36B
Q4 2021200$984.8M
Q3 2021196$1.16B
Q2 2021190$1.37B
Q1 2021179$994.6M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q2 2025.

Institutions holding OII in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Cloud Capital Management, LLC9$00.00%+9New
True Wealth Design, LLC2$500.00%00.0%Unchanged
JPL Wealth Management, LLC5$1240.00%+5New
Abound Wealth Management6$1490.00%00.0%Unchanged
HFM Investment Advisors, LLC7$1730.00%−1−12.5%Reduced
Bay Harbor Wealth Management, LLC9$2230.00%+6+200.0%Added
DiNuzzo Private Wealth, Inc.10$2440.00%−10−50.0%Reduced
SJS Investment Consulting Inc.10$2480.00%00.0%Unchanged
Advisory Services Network, LLC11$2730.00%+11New
UMA Financial Services, Inc.20$4960.00%+20New
Huntington National Bank23$5700.00%−81−77.9%Reduced
Creative Financial Designs Inc29$7190.00%00.0%Unchanged
Kilter Group LLC29$7190.00%00.0%Unchanged
CVA Family Office, LLC31$7680.00%00.0%Unchanged
Rialto Wealth Management, LLC32$7930.00%+5+18.5%Added
Steward Partners Investment Advisory, LLC34$8430.00%00.0%Unchanged
Bell Investment Advisors, Inc36$8930.00%00.0%Unchanged
Picton Mahoney Asset Management49$1.00K0.00%00.0%Unchanged
Covestor Ltd54$1.00K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC45$1.11K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC47$1.17K0.00%−8−14.5%Reduced
Westfuller Advisors, LLC49$1.21K0.00%+49New
Salem Investment Counselors Inc50$1.24K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC50$1.24K0.00%+30+150.0%Added
Hughes Financial Services, LLC54$1.27K0.00%00.0%Unchanged
Annis Gardner Whiting Capital Advisors, LLC55$1.36K0.00%+55New
Atlantic Trust, LLC58$1.44K0.00%00.0%Unchanged
Fortitude Family Office, LLC60$1.49K0.00%+9+17.6%Added
Clearstead Advisors, LLC63$1.56K0.00%−9,640−99.4%Reduced
Farmers & Merchants Investments Inc65$1.61K0.00%−7−9.7%Reduced
Principal Securities, Inc.72$1.78K0.00%+35+94.6%Added
Farther Finance Advisors, LLC76$1.88K0.00%−17−18.3%Reduced
Simplex Trading, LLC101$2.00K0.00%+101New
STRS Ohio100$2.48K0.00%00.0%Unchanged
Thompson Investment Management, Inc.105$2.60K0.00%00.0%Unchanged
Parkside Financial Bank & Trust115$2.85K0.00%00.0%Unchanged
Sunbelt Securities, Inc.119$2.95K0.00%+119New
Hemington Wealth Management156$3.00K0.00%+6+4.0%Added
Pacer Advisors, Inc.122$3.02K0.00%+6+5.2%Added
Private Wealth Management Group, LLC136$3.37K0.00%00.0%Unchanged
MAI Capital Management195$4.83K0.00%00.0%Unchanged
Rothschild Investment LLC215$5.33K0.00%−55−20.4%Reduced
Wealthspire Advisors, LLC216$5.35K0.00%+216New
Northwestern Mutual Wealth Management Co232$5.75K0.00%+173+293.2%Added
Root Financial Partners, LLC250$6.20K0.00%+250New
Allworth Financial LP273$6.76K0.00%+1+0.4%Added
Jones Financial Companies LLLP285$7.31K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC299$7.41K0.00%00.0%Unchanged
Larson Financial Group LLC333$8.25K0.00%−263−44.1%Reduced
Fifth Third Bancorp391$9.69K0.00%+66+20.3%Added
Optiver Holding B.V.429$10.6K0.00%+172+66.9%Added
Massmutual Trust Co FSB434$10.8K0.00%+240+123.7%Added
Parallel Advisors, LLC476$11.8K0.00%−246−34.1%Reduced
AdvisorNet Financial, Inc614$15.2K0.00%00.0%Unchanged
Byrne Asset Management LLC625$15.5K0.01%+625New
Hantz Financial Services, Inc.654$16.0K0.00%+427+188.1%Added
Medallion Wealth Advisors, LLC660$16.4K0.01%00.0%Unchanged
Umb Bank N A731$18.1K0.00%+63+9.4%Added
Rockefeller Capital Management L.P.773$19.2K0.00%+773New
CX Institutional870$22.0K0.00%+870New
Nomura Asset Management Co Ltd900$22.3K0.00%00.0%Unchanged
Sterling Capital Management LLC954$23.6K0.00%+458+92.3%Added
Essential Partners LLC995$24.7K0.01%+231+30.2%Added
South State Corp.1,000$24.8K0.00%−29−2.8%Reduced
Salomon & Ludwin, LLC1,068$26.0K0.00%+1,068New
Investors Research Corp1,100$27.3K0.01%00.0%Unchanged
Versant Capital Management, Inc1,192$29.5K0.00%00.0%Unchanged
Quarry LP1,229$30.5K0.01%+1,229New
Point72 Europe (London) LLP1,306$32.4K0.00%+1,306New
SBI Securities Co., Ltd.1,392$34.5K0.00%+1,000+255.1%Added
Public Employees Retirement System of Ohio1,422$35.2K0.00%+113+8.6%Added
Signaturefd, LLC1,490$36.9K0.00%+16+1.1%Added
EverSource Wealth Advisors, LLC1,590$39.4K0.00%+148+10.3%Added
US Bancorp1,672$41.4K0.00%+24+1.5%Added
Quadrant Capital Group LLC1,797$44.5K0.00%+1,797New
Tower Research Capital LLC (TRC)1,929$47.8K0.00%−11,277−85.4%Reduced
Bessemer Group Inc1,952$48.0K0.00%+629+47.5%Added
Chilton Capital Management LLC2,000$49.6K0.00%00.0%Unchanged
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,072$51.0K0.00%00.0%Unchanged
IFP Advisors, Inc2,908$72.1K0.00%−77−2.6%Reduced
GAMMA Investing LLC3,505$86.9K0.00%+64+1.9%Added
Smartleaf Asset Management LLC3,464$86.9K0.01%+469+15.7%Added
KBC Group NV3,726$92.0K0.00%00.0%Unchanged
Point72 (DIFC) Ltd3,717$92.1K0.01%−6,192−62.5%Reduced
Point72 Asia (Singapore) Pte. Ltd.3,964$98.2K0.02%−3,074−43.7%Reduced
New Age Alpha Advisors, LLC4,516$111.9K0.00%−84−1.8%Reduced
Shell Asset Management Co5,257$130.0K0.01%−6,180−54.0%Reduced
Globeflex Capital L P7,283$180.5K0.03%00.0%Unchanged
Ameritas Investment Partners, Inc.7,855$194.6K0.01%−1,745−18.2%Reduced
Omers Administration Corp8,100$200.7K0.00%+8,100New
Dark Forest Capital Management LP8,127$201.4K0.01%−75,548−90.3%Reduced
Neo Ivy Capital Management8,372$207.5K0.05%+8,372New
Inspire Advisors, LLC8,846$219.2K0.02%+8,846New
Commonwealth Equity Services, LLC8,980$223.0K0.00%+8,980New
R Squared Ltd9,259$229.4K0.10%+9,259New
Legacy Capital Group California, Inc.9,397$232.9K0.06%+9,397New
Toroso Investments, LLC9,778$242.3K0.00%+9,778New
Blair William & Co9,964$246.9K0.00%+9,964New
Rathbone Brothers plc10,000$247.8K0.00%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund10,000$247.8K0.00%00.0%Unchanged