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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, Q2 2026

Institutional positions in Oceaneering International Inc as of Jun 30, 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
376
+14 vs. Q1 2026
Shares held
104.3M
+2.88M (+2.8%) vs. Q1 2026
Total value
$4.22B
+$628.9M (+17.5%) vs. Q1 2026
New holders
67
147 more added
Sold out
53
111 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 376 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 heldQ2 2026: $4.22B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q1 2026.

Institutions holding OII in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Jones Financial Companies LLLP713$28.5K0.00%+377+112.2%Added
Medallion Wealth Advisors, LLC660$26.7K0.01%00.0%Unchanged
Essential Partners LLC618$25.0K0.01%−308−33.3%Reduced
Parallel Advisors, LLC545$22.1K0.00%−6−1.1%Reduced
Massmutual Trust Co FSB543$22.0K0.00%−150−21.6%Reduced
Los Angeles Capital Management LLC527$21.4K0.00%−16,919−97.0%Reduced
Sterling Capital Management LLC499$20.2K0.00%−448−47.3%Reduced
International Assets Investment Management, LLC507$20.0K0.00%+129+34.1%Added
Pacer Advisors, Inc.463$19.0K0.00%+209+82.3%Added
City Holding Co342$13.9K0.00%00.0%Unchanged
Freestone Grove Partners LP333$13.5K0.00%−875−72.4%Reduced
Ronald Blue Trust, Inc.324$13.1K0.00%+151+87.3%Added
Graticule Asia Macro Advisors LLC315$12.8K0.00%+315New
Moisand Fitzgerald Tamayo, LLC299$12.1K0.00%00.0%Unchanged
Rothschild Investment LLC297$12.0K0.00%+21+7.6%Added
TD Private Client Wealth LLC284$11.5K0.00%+28+10.9%Added
Richardson Capital Management LLC280$11.3K0.00%00.0%Unchanged
SJS Investment Consulting Inc.267$10.8K0.00%+231+641.7%Added
NBH Bank261$10.6K0.00%+261New
Bare Financial Services, Inc193$7.82K0.00%+168+672.0%Added
Huntington National Bank193$7.82K0.00%+44+29.5%Added
Fortitude Family Office, LLC178$7.21K0.00%+74+71.2%Added
CVA Family Office, LLC168$6.81K0.00%+34+25.4%Added
Cullen/Frost Bankers, Inc.150$6.08K0.00%00.0%Unchanged
Bryn Mawr Trust Co146$5.92K0.00%+146New
Private Wealth Management Group, LLC136$5.51K0.00%00.0%Unchanged
Picton Mahoney Asset Management134$5.43K0.00%+85+173.5%Added
Parkside Financial Bank & Trust115$4.66K0.00%−1,943−94.4%Reduced
Cassaday & Co Wealth Management LLC111$4.50K0.00%+111New
Action Point Financial Planning, LLC111$4.42K0.00%+111New
Global Retirement Partners, LLC100$4.05K0.00%+100New
JFS Wealth Advisors, LLC99$4.01K0.00%+20+25.3%Added
Silver Grove Financial Group, Inc.97$3.93K0.00%+97New
TD Capital Management LLC93$3.77K0.00%00.0%Unchanged
Valued Wealth Advisors LLC83$3.36K0.00%+83New
Manning & Napier Advisors LLC77$3.04K0.00%+5+6.9%Added
Godfrey Financial Associates, Inc.72$2.92K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.71$2.88K0.00%+1+1.4%Added
Farmers & Merchants Investments Inc65$2.63K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co59$2.39K0.00%−19−24.4%Reduced
Hughes Financial Services, LLC54$2.19K0.00%00.0%Unchanged
Rialto Wealth Management, LLC52$2.11K0.00%+17+48.6%Added
Assetmark, Inc49$1.99K0.00%+15+44.1%Added
Arlington Trust Co LLC47$1.90K0.00%00.0%Unchanged
Clearstead Advisors, LLC46$1.86K0.00%+46New
Toth Financial Advisory Corp40$1.62K0.00%+40New
Westfuller Advisors, LLC33$1.33K0.00%00.0%Unchanged
SHP Wealth Management30$1.22K0.00%+10+50.0%Added
Creative Capital Management Investments LLC30$1.22K0.00%+30New
Creative Financial Designs Inc29$1.18K0.00%00.0%Unchanged
Noble Wealth Management PBC29$1.18K0.00%+29New
Ankerstar Wealth, LLC25$1.01K0.00%00.0%Unchanged
Raffa Wealth Management, LLC23$9320.00%+22+2,200.0%Added
Kilter Group LLC20$8110.00%−70−77.8%Reduced
Bay Harbor Wealth Management, LLC18$7290.00%+4+28.6%Added
Plante Moran Financial Advisors, LLC16$6480.00%+16New
Gilpin Wealth Management, LLC14$5680.00%00.0%Unchanged
HFM Investment Advisors, LLC14$5680.00%+7+100.0%Added
Bogart Wealth, LLC13$5270.00%+13New
Hollencrest Capital Management12$4860.00%+12New
DiNuzzo Private Wealth, Inc.11$4460.00%00.0%Unchanged
Stone House Investment Management, LLC10$4050.00%+6+150.0%Added
Quarry LP8$3240.00%+8New
Abound Wealth Management6$2440.00%00.0%Unchanged
Davis Capital Management6$2430.00%+6New
LRI Investments, LLC6$2430.00%+6New
JPL Wealth Management, LLC5$2030.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.5$2020.00%00.0%Unchanged
1 North Wealth Services LLC3$1220.00%+3New
DecisionPoint Financial, LLC3$1190.00%+3New
Dunhill Financial, LLC2$810.00%00.0%Unchanged
Cornerstone Planning Group LLC1$450.00%00.0%Unchanged
Maryland Capital Advisors Inc.1$410.00%+1New
Avion Wealth14$00.00%+14New
Evolution Advisers, Inc.18$00.00%+18New
Navigoe, LLC6$00.00%+6New
Boston Partners0$00.00%−854,941−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−588,323−100.0%Sold out
Fort Washington Investment Advisors Inc0$00.00%−526,034−100.0%Sold out
Agf Management Ltd0$00.00%−365,938−100.0%Sold out
EAM Investors, LLC0$00.00%−127,269−100.0%Sold out
Citadel Advisors LLC0$00.00%−78,377−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−62,516−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−48,333−100.0%Sold out
Lord, Abbett & Co. LLC0$00.00%−45,000−100.0%Sold out
Melqart Asset Management (UK) Ltd0$00.00%−42,922−100.0%Sold out
Jane Street Group, LLC0$00.00%−41,029−100.0%Sold out
Carlson Capital L P0$00.00%−32,800−100.0%Sold out
Man Group plc0$00.00%−24,178−100.0%Sold out
Engineers Gate Manager LP0$00.00%−24,050−100.0%Sold out
Towarzystwo Funduszy Inwestycyjnych Pzu SA0$00.00%−21,000−100.0%Sold out
Oldfield Partners LLP0$00.00%−28,729−100.0%Sold out
XTX Topco Ltd0$00.00%−18,018−100.0%Sold out
Andina Capital Management, LLC0$00.00%−14,766−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−14,762−100.0%Sold out
Ieq Capital, LLC0$00.00%−14,394−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−13,862−100.0%Sold out
Elo Mutual Pension Insurance Co0$00.00%−11,964−100.0%Sold out
K.J. Harrison & Partners Inc0$00.00%−11,600−100.0%Sold out
Gallacher Capital Management LLC0$00.00%−10,231−100.0%Sold out