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Livermore
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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 4 sales; 376 institutions reported holding it in 13F filings for Q2 2026, worth $4.22B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Oceaneering International Inc as of Mar 31, 2026. 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
367
+57 vs. Q4 2025
Shares held
101.7M
+14.2M (+16.3%) vs. Q4 2025
Total value
$3.61B
+$1.50B (+71.5%) vs. Q4 2025
New holders
90
132 more added
Sold out
33
104 more reduced

4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 367 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 heldQ1 2026: $3.61B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q4 2025.

Institutions holding OII in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Steward Partners Investment Advisory, LLC584$20.7K0.00%+550+1,617.6%Added
USA Financial Portformulas Corp574$20.4K0.00%+574New
Parallel Advisors, LLC551$19.5K0.00%+74+15.5%Added
Larson Financial Group LLC536$19.0K0.00%+197+58.1%Added
Kemnay Advisory Services Inc.515$18.3K0.00%+304+144.1%Added
Byrne Asset Management LLC470$16.7K0.01%−155−24.8%Reduced
Root Financial Partners, LLC451$16.0K0.00%+181+67.0%Added
International Assets Investment Management, LLC378$13.0K0.00%+3+0.8%Added
Jones Financial Companies LLLP336$12.2K0.00%+45+15.5%Added
City Holding Co342$12.1K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC299$10.6K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.298$10.6K0.00%−11,402−97.5%Reduced
Richardson Capital Management LLC280$9.93K0.00%+280New
Rothschild Investment LLC276$9.79K0.00%+26+10.4%Added
Bank of Jackson Hole Trust261$9.26K0.00%−23−8.1%Reduced
TD Private Client Wealth LLC256$9.08K0.00%+256New
Pacer Advisors, Inc.254$9.00K0.00%+108+74.0%Added
Spire Wealth Management203$7.20K0.00%−364−64.2%Reduced
Twin Peaks Wealth Advisors, LLC188$6.67K0.00%+188New
MAI Capital Management183$6.49K0.00%+183New
Ronald Blue Trust, Inc.173$6.14K0.00%+173New
Cullen/Frost Bankers, Inc.150$5.32K0.00%00.0%Unchanged
Huntington National Bank149$5.28K0.00%+126+547.8%Added
Private Wealth Management Group, LLC136$4.82K0.00%00.0%Unchanged
Sound Income Strategies, LLC140$4.81K0.00%00.0%Unchanged
CVA Family Office, LLC134$4.75K0.00%+103+332.3%Added
Elequin Capital LP120$4.26K0.00%+120New
Sunbelt Securities, Inc.119$4.22K0.00%00.0%Unchanged
Thompson Investment Management, Inc.105$3.72K0.00%00.0%Unchanged
Fortitude Family Office, LLC104$3.69K0.00%+52+100.0%Added
TD Capital Management LLC93$3.30K0.00%+73+365.0%Added
Kilter Group LLC90$3.19K0.00%+61+210.3%Added
JFS Wealth Advisors, LLC79$2.80K0.00%+8+11.3%Added
Northwestern Mutual Wealth Management Co78$2.77K0.00%+19+32.2%Added
Godfrey Financial Associates, Inc.72$2.55K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.70$2.48K0.00%+1+1.4%Added
Manning & Napier Advisors LLC72$2.48K0.00%+72New
Farmers & Merchants Investments Inc65$2.31K0.00%00.0%Unchanged
Hughes Financial Services, LLC54$1.92K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC50$1.77K0.00%00.0%Unchanged
Picton Mahoney Asset Management49$1.74K0.00%00.0%Unchanged
Arlington Trust Co LLC47$1.67K0.00%+47New
MCF Advisors LLC38$1.35K0.00%+38New
Annis Gardner Whiting Capital Advisors, LLC36$1.28K0.00%00.0%Unchanged
SJS Investment Consulting Inc.36$1.28K0.00%+17+89.5%Added
Rialto Wealth Management, LLC35$1.24K0.00%+5+16.7%Added
Assetmark, Inc34$1.21K0.00%00.0%Unchanged
Westfuller Advisors, LLC33$1.16K0.00%−16−32.7%Reduced
Creative Financial Designs Inc29$1.03K0.00%00.0%Unchanged
Ankerstar Wealth, LLC25$8870.00%00.0%Unchanged
Bare Financial Services, Inc25$8870.00%+25New
SHP Wealth Management20$7090.00%+20New
Bruce G. Allen Investments, LLC20$7090.00%+20New
Gilpin Wealth Management, LLC14$4970.00%+6+75.0%Added
Bay Harbor Wealth Management, LLC14$4960.00%+6+75.0%Added
DiNuzzo Private Wealth, Inc.11$3910.00%+1+10.0%Added
Advisory Services Network, LLC11$3900.00%+11New
Vermillion Wealth Management, Inc.11$3900.00%+11New
HFM Investment Advisors, LLC7$2480.00%00.0%Unchanged
Abound Wealth Management6$2130.00%00.0%Unchanged
JPL Wealth Management, LLC5$1780.00%+5New
Transamerica Financial Advisors, Inc.5$1770.00%00.0%Unchanged
Stone House Investment Management, LLC4$1420.00%+4New
Dunhill Financial, LLC2$710.00%00.0%Unchanged
Cornerstone Planning Group LLC1$380.00%00.0%Unchanged
Raffa Wealth Management, LLC1$350.00%+1New
Curio Wealth, LLC1$350.00%+1New
Point72 Asset Management, L.P.0$00.00%−699,212−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−539,676−100.0%Sold out
SIR Capital Management, L.P.0$00.00%−120,000−100.0%Sold out
Trexquant Investment LP0$00.00%−112,759−100.0%Sold out
Millennium Management LLC0$00.00%−88,022−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−77,348−100.0%Sold out
Brevan Howard Capital Management LP0$00.00%−69,859−100.0%Sold out
Wedge Capital Management L L P0$00.00%−60,742−100.0%Sold out
Dockside LLC0$00.00%−58,772−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−35,082−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−34,827−100.0%Sold out
West Tower Group, LLC0$00.00%−27,000−100.0%Sold out
Versor Investments LP0$00.00%−22,942−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−20,509−100.0%Sold out
DRW Securities, LLC0$00.00%−19,171−100.0%Sold out
Inceptionr LLC0$00.00%−15,595−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−14,739−100.0%Sold out
Quest Partners LLC0$00.00%−13,100−100.0%Sold out
MQS Management LLC0$00.00%−10,211−100.0%Sold out
Verition Fund Management LLC0$00.00%−9,865−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−9,013−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−3,325−100.0%Sold out
Investors Research Corp0$00.00%−1,100−100.0%Sold out
Flagship Harbor Advisors, LLC0$00.00%−433−100.0%Sold out
DV Trading LLC0$00.00%−300−100.0%Sold out
SageView Advisory Group, LLC0$00.00%−200−100.0%Sold out
Neo Ivy Capital Management0$00.00%−64−100.0%Sold out
Optiver Holding B.V.0$00.00%−56−100.0%Sold out
Quarry LP0$00.00%−56−100.0%Sold out
McGuire Capital Advisors Inc0$00.00%−37−100.0%Sold out
Optima Capital LLC0$00.00%−22−100.0%Sold out
Basecamp Wealth Advisors LLC0$00.00%−16−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−14−100.0%Sold out