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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, 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
Raffa Wealth Management, LLC1$350.00%+1New
Curio Wealth, LLC1$350.00%+1New
Cornerstone Planning Group LLC1$380.00%00.0%Unchanged
Dunhill Financial, LLC2$710.00%00.0%Unchanged
Stone House Investment Management, LLC4$1420.00%+4New
Transamerica Financial Advisors, Inc.5$1770.00%00.0%Unchanged
JPL Wealth Management, LLC5$1780.00%+5New
Abound Wealth Management6$2130.00%00.0%Unchanged
HFM Investment Advisors, LLC7$2480.00%00.0%Unchanged
Advisory Services Network, LLC11$3900.00%+11New
Vermillion Wealth Management, Inc.11$3900.00%+11New
DiNuzzo Private Wealth, Inc.11$3910.00%+1+10.0%Added
Bay Harbor Wealth Management, LLC14$4960.00%+6+75.0%Added
Gilpin Wealth Management, LLC14$4970.00%+6+75.0%Added
SHP Wealth Management20$7090.00%+20New
Bruce G. Allen Investments, LLC20$7090.00%+20New
Ankerstar Wealth, LLC25$8870.00%00.0%Unchanged
Bare Financial Services, Inc25$8870.00%+25New
Creative Financial Designs Inc29$1.03K0.00%00.0%Unchanged
Westfuller Advisors, LLC33$1.16K0.00%−16−32.7%Reduced
Assetmark, Inc34$1.21K0.00%00.0%Unchanged
Rialto Wealth Management, LLC35$1.24K0.00%+5+16.7%Added
Annis Gardner Whiting Capital Advisors, LLC36$1.28K0.00%00.0%Unchanged
SJS Investment Consulting Inc.36$1.28K0.00%+17+89.5%Added
MCF Advisors LLC38$1.35K0.00%+38New
Arlington Trust Co LLC47$1.67K0.00%+47New
Picton Mahoney Asset Management49$1.74K0.00%00.0%Unchanged
Wealth Preservation Advisors, LLC50$1.77K0.00%00.0%Unchanged
Hughes Financial Services, LLC54$1.92K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc65$2.31K0.00%00.0%Unchanged
Manning & Napier Advisors LLC72$2.48K0.00%+72New
Keating Financial Advisory Services, Inc.70$2.48K0.00%+1+1.4%Added
Godfrey Financial Associates, Inc.72$2.55K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co78$2.77K0.00%+19+32.2%Added
JFS Wealth Advisors, LLC79$2.80K0.00%+8+11.3%Added
Kilter Group LLC90$3.19K0.00%+61+210.3%Added
TD Capital Management LLC93$3.30K0.00%+73+365.0%Added
Fortitude Family Office, LLC104$3.69K0.00%+52+100.0%Added
Thompson Investment Management, Inc.105$3.72K0.00%00.0%Unchanged
Sunbelt Securities, Inc.119$4.22K0.00%00.0%Unchanged
Elequin Capital LP120$4.26K0.00%+120New
CVA Family Office, LLC134$4.75K0.00%+103+332.3%Added
Sound Income Strategies, LLC140$4.81K0.00%00.0%Unchanged
Private Wealth Management Group, LLC136$4.82K0.00%00.0%Unchanged
Huntington National Bank149$5.28K0.00%+126+547.8%Added
Cullen/Frost Bankers, Inc.150$5.32K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.173$6.14K0.00%+173New
MAI Capital Management183$6.49K0.00%+183New
Twin Peaks Wealth Advisors, LLC188$6.67K0.00%+188New
Spire Wealth Management203$7.20K0.00%−364−64.2%Reduced
Pacer Advisors, Inc.254$9.00K0.00%+108+74.0%Added
TD Private Client Wealth LLC256$9.08K0.00%+256New
Bank of Jackson Hole Trust261$9.26K0.00%−23−8.1%Reduced
Rothschild Investment LLC276$9.79K0.00%+26+10.4%Added
Richardson Capital Management LLC280$9.93K0.00%+280New
SRS Capital Advisors, Inc.298$10.6K0.00%−11,402−97.5%Reduced
Moisand Fitzgerald Tamayo, LLC299$10.6K0.00%00.0%Unchanged
City Holding Co342$12.1K0.00%00.0%Unchanged
Jones Financial Companies LLLP336$12.2K0.00%+45+15.5%Added
International Assets Investment Management, LLC378$13.0K0.00%+3+0.8%Added
Root Financial Partners, LLC451$16.0K0.00%+181+67.0%Added
Byrne Asset Management LLC470$16.7K0.01%−155−24.8%Reduced
Kemnay Advisory Services Inc.515$18.3K0.00%+304+144.1%Added
Larson Financial Group LLC536$19.0K0.00%+197+58.1%Added
Parallel Advisors, LLC551$19.5K0.00%+74+15.5%Added
USA Financial Portformulas Corp574$20.4K0.00%+574New
Steward Partners Investment Advisory, LLC584$20.7K0.00%+550+1,617.6%Added
Allworth Financial LP641$22.7K0.00%+254+65.6%Added
Medallion Wealth Advisors, LLC660$23.4K0.01%00.0%Unchanged
Massmutual Trust Co FSB693$24.6K0.00%+259+59.7%Added
Umb Bank N A732$26.0K0.00%+6+0.8%Added
AdvisorNet Financial, Inc750$26.6K0.00%−77−9.3%Reduced
CX Institutional870$31.0K0.00%00.0%Unchanged
Nomura Asset Management Co Ltd900$31.9K0.00%00.0%Unchanged
Essential Partners LLC926$32.8K0.01%00.0%Unchanged
Sterling Capital Management LLC947$33.6K0.00%−275−22.5%Reduced
South State Corp.1,000$35.5K0.00%00.0%Unchanged
Lloyd Advisory Services, LLC.1,000$35.5K0.01%+1,000New
Kingdom Financial Group LLC.1,000$35.5K0.01%+1,000New
Farther Finance Advisors, LLC1,033$35.5K0.00%+469+83.2%Added
Salomon & Ludwin, LLC1,164$41.4K0.00%+321+38.1%Added
Versant Capital Management, Inc1,192$42.3K0.00%00.0%Unchanged
Freestone Grove Partners LP1,208$42.8K0.00%+1,208New
EverSource Wealth Advisors, LLC1,403$49.8K0.00%+191+15.8%Added
Public Employees Retirement System of Ohio1,430$50.7K0.00%−57−3.8%Reduced
Whittier Trust Co of Nevada Inc1,450$53.1K0.00%+1,450New
SBI Securities Co., Ltd.1,573$55.8K0.00%+178+12.8%Added
Caitong International Asset Management Co., Ltd1,575$55.9K0.01%+1,575New
US Bancorp1,711$60.7K0.00%+63+3.8%Added
Exchange Traded Concepts, LLC1,767$62.7K0.00%+1,767New
Signaturefd, LLC1,785$63.3K0.00%00.0%Unchanged
Bessemer Group Inc1,885$67.0K0.00%−142−7.0%Reduced
Pinnacle Wealth Planning Services, Inc.1,995$70.8K0.01%+73+3.8%Added
Chilton Capital Management LLC2,000$70.9K0.00%00.0%Unchanged
Parkside Financial Bank & Trust2,058$73.0K0.01%+1,943+1,689.6%Added
Hantz Financial Services, Inc.2,269$80.0K0.00%−12−0.5%Reduced
Nkcfo LLC2,500$89.0K0.03%+2,500New
Smartleaf Asset Management LLC2,747$94.7K0.00%−2,331−45.9%Reduced
Harbour Investments, Inc.2,700$95.8K0.00%+2,700New
Covestor Ltd3,039$108.0K0.07%+2,992+6,366.0%Added