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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, Q2 2025

Institutional positions in Oceaneering International Inc as of Jun 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
288
+5 vs. Q1 2025
Shares held
95.8M
−252.9K (−0.3%) vs. Q1 2025
Total value
$1.99B
−$109.8M (−5.2%) vs. Q1 2025
New holders
47
114 more added
Sold out
42
98 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 288 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 2025: $1.99B
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 2025

Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q1 2025.

Institutions holding OII in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Fund Management S.A.11,610$240.6K0.00%+11,610New
Cambridge Investment Research Advisors, Inc.11,825$245.0K0.00%−780−6.2%Reduced
Integrated Investment Consultants, LLC12,093$250.6K0.05%−7,572−38.5%Reduced
Teza Capital Management LLC12,613$261.3K0.19%−6,922−35.4%Reduced
Guggenheim Capital LLC12,746$264.1K0.00%+1,074+9.2%Added
Mutual of America Capital Management LLC12,922$267.7K0.00%−1,795−12.2%Reduced
Tower Research Capital LLC (TRC)13,206$273.6K0.01%+10,724+432.1%Added
CWM, LLC13,680$283.0K0.00%+10,046+276.4%Added
Corton Capital Inc.13,675$283.3K0.33%+13,675New
CSM Advisors, LLC14,027$291.0K0.01%+14,027New
Public Employees Retirement Association of Colorado14,131$293.0K0.00%00.0%Unchanged
JustInvest LLC14,265$295.6K0.00%+1,589+12.5%Added
Nisa Investment Advisors, LLC14,400$298.4K0.00%+199+1.4%Added
Versor Investments LP15,327$317.6K0.06%−5,966−28.0%Reduced
Wealth Enhancement Advisory Services, LLC15,198$323.6K0.00%+5,161+51.4%Added
AXA S.A.15,796$327.3K0.00%+15,796New
Bleakley Financial Group, LLC15,947$330.4K0.01%+5,614+54.3%Added
Diversified Trust Co15,988$331.3K0.01%+2,262+16.5%Added
Pictet Asset Management Holding SA16,077$333.1K0.00%+88+0.6%Added
Creative Planning16,255$336.8K0.00%−3,474−17.6%Reduced
O'Shaughnessy Asset Management, LLC16,528$342.5K0.00%+405+2.5%Added
HighTower Advisors, LLC16,560$343.1K0.00%+5,336+47.5%Added
Mackenzie Financial Corp16,905$350.3K0.00%00.0%Unchanged
Profund Advisors LLC17,032$352.9K0.01%+559+3.4%Added
Magnetar Financial LLC17,181$356.0K0.00%+17,181New
Man Group plc17,800$368.8K0.00%−472−2.6%Reduced
Captrust Financial Advisors17,896$370.8K0.00%+2,767+18.3%Added
Graham Capital Management, L.P.18,585$385.1K0.01%−61,185−76.7%Reduced
Two Sigma Advisers, LP19,800$410.3K0.00%−10,800−35.3%Reduced
Campbell & CO Investment Adviser LLC20,012$414.6K0.03%+20,012New
KLP Kapitalforvaltning AS20,300$420.6K0.00%00.0%Unchanged
Connable Office Inc20,578$426.4K0.04%00.0%Unchanged
Oxford Asset Management LLP20,896$433.0K0.14%+20,896New
ProShare Advisors LLC21,105$437.3K0.00%−2,698−11.3%Reduced
Police & Firemen's Retirement System of New Jersey21,600$447.6K0.00%+81+0.4%Added
Mariner, LLC22,430$464.8K0.00%+4,228+23.2%Added
CWM Advisors, LLC22,734$471.1K0.05%+4,382+23.9%Added
Oregon Public Employees Retirement Fund22,828$473.0K0.01%−282−1.2%Reduced
Inceptionr LLC23,333$483.5K0.11%+23,333New
Harbor Capital Advisors, Inc.23,966$497.0K0.02%−1,078−4.3%Reduced
Hennion & Walsh Asset Management, Inc.24,000$497.3K0.02%−12,275−33.8%Reduced
Bank of Montreal24,207$501.6K0.00%−992−3.9%Reduced
Verition Fund Management LLC24,533$508.3K0.00%−8,742−26.3%Reduced
Corigliano Investment Advisers, LLC25,500$528.4K0.17%+25,500New
EP Wealth Advisors, LLC25,554$529.5K0.00%−167−0.6%Reduced
XTX Topco Ltd25,620$530.8K0.02%+8,097+46.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys25,827$535.1K0.00%+1,643+6.8%Added
West Tower Group, LLC27,000$559.4K1.21%00.0%Unchanged
Nikko Asset Management Americas, Inc.27,135$562.0K0.01%−540−2.0%Reduced
Sumitomo Mitsui Trust Holdings, Inc.27,135$562.2K0.00%−540−2.0%Reduced
Carlson Capital L P27,700$573.9K0.33%+27,700New
Teachers Retirement System of the State of Kentucky28,189$584.0K0.00%−1,789−6.0%Reduced
BNP Paribas Arbitrage, SA28,430$589.1K0.00%+11,384+66.8%Added
State Board of Administration of Florida Retirement System28,699$594.6K0.00%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)28,708$594.8K0.00%00.0%Unchanged
Amalgamated Bank28,718$595.0K0.00%−78−0.3%Reduced
Oldfield Partners LLP28,729$595.3K0.20%00.0%Unchanged
Arizona State Retirement System29,497$611.2K0.00%+535+1.8%Added
Maryland State Retirement & Pension System29,511$611.5K0.01%00.0%Unchanged
Fox Run Management, L.L.C.29,657$614.5K0.10%−61,952−67.6%Reduced
Legato Capital Management LLC29,988$621.4K0.07%+29,988New
Advisor Group Holdings, Inc.31,093$644.2K0.00%+2,220+7.7%Added
New York State Common Retirement Fund31,248$647.5K0.00%00.0%Unchanged
Winton Group Ltd31,312$648.8K0.03%−14,926−32.3%Reduced
Centiva Capital, LP32,019$663.4K0.04%+32,019New
Schonfeld Strategic Advisors LLC32,946$682.6K0.01%+32,946New
Voya Investment Management LLC34,947$724.1K0.00%−831−2.3%Reduced
Los Angeles Capital Management LLC35,036$725.9K0.00%−12,400−26.1%Reduced
Ieq Capital, LLC36,027$746.5K0.00%+18,185+101.9%Added
Yousif Capital Management, LLC37,492$776.8K0.01%+213+0.6%Added
Natixis Advisors, L.P.37,844$784.0K0.00%+4,302+12.8%Added
HSBC Holdings PLC38,425$799.0K0.00%−10,952−22.2%Reduced
Fulcrum Asset Management LLP41,146$852.5K0.24%+41,146New
Teacher Retirement System of Texas41,611$862.2K0.00%+11,103+36.4%Added
Brevan Howard Capital Management LP42,453$879.6K0.01%+12,754+42.9%Added
Janus Henderson Group PLC44,018$911.8K0.00%−189,096−81.1%Reduced
Aquatic Capital Management LLC46,245$958.2K0.02%+46,245New
State of Tennessee, Treasury Department46,429$962.0K0.00%+21,811+88.6%Added
Louisiana State Employees Retirement System47,000$973.8K0.02%−600−1.3%Reduced
DRW Securities, LLC48,110$996.8K0.07%+48,110New
Illinois Municipal Retirement Fund49,264$1.02M0.01%−8,723−15.0%Reduced
Victory Capital Management Inc50,287$1.04M0.00%−147,755−74.6%Reduced
Manufacturers Life Insurance Company, The50,974$1.06M0.00%−6,264−10.9%Reduced
Mirae Asset Global ETFs Holdings Ltd.51,530$1.07M0.00%−8,624−14.3%Reduced
Royce & Associates LP53,017$1.10M0.01%+10,000+23.2%Added
Comerica Bank55,853$1.16M0.00%+1,700+3.1%Added
Raymond James Financial Inc56,185$1.16M0.00%−13,764−19.7%Reduced
MetLife Investment Management56,881$1.18M0.01%−2,770−4.6%Reduced
State of Alaska, Department of Revenue59,900$1.24M0.01%+3,903+7.0%Added
Kestra Advisory Services, LLC61,112$1.27M0.01%−653−1.1%Reduced
Pathstone Holdings, LLC62,893$1.30M0.01%+10,006+18.9%Added
Oppenheimer Asset Management Inc.67,398$1.40M0.02%−2,741−3.9%Reduced
Citadel Advisors LLC67,922$1.41M0.00%−56,323−45.3%Reduced
LPL Financial LLC69,759$1.45M0.00%+20,056+40.4%Added
Jennison Associates LLC71,342$1.48M0.00%+13,879+24.2%Added
Norges Bank71,663$1.48M0.00%−20,206−22.0%Reduced
Zacks Investment Management71,887$1.49M0.01%+71,887New
Glenorchy Capital Ltd76,328$1.58M1.16%−161−0.2%Reduced
Intech Investment Management LLC79,258$1.64M0.02%−14,369−15.3%Reduced
Wedge Capital Management L L P80,368$1.67M0.03%+10,471+15.0%Added