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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, Q4 2025

Institutional positions in Oceaneering International Inc as of Dec 31, 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
314
+22 vs. Q3 2025
Shares held
100.1M
+5.35M (+5.6%) vs. Q3 2025
Total value
$2.41B
+$57.8M (+2.5%) vs. Q3 2025
New holders
48
113 more added
Sold out
26
108 more reduced

9 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 314 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 heldQ4 2025: $2.41B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Oceaneering International Inc; share changes are against Q3 2025.

Institutions holding OII in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Mirae Asset Global ETFs Holdings Ltd.45,916$1.10M0.00%+2,233+5.1%Added
Manufacturers Life Insurance Company, The46,283$1.11M0.00%−52−0.1%Reduced
Gotham Asset Management, LLC46,410$1.12M0.00%+46,410New
Illinois Municipal Retirement Fund48,446$1.16M0.01%−4,227−8.0%Reduced
Raymond James Financial Inc48,687$1.17M0.00%−3,045−5.9%Reduced
Voya Investment Management LLC49,273$1.18M0.00%+8,418+20.6%Added
CoreCommodity Management, LLC51,493$1.24M0.26%−11,630−18.4%Reduced
Royce & Associates LP53,017$1.27M0.01%00.0%Unchanged
Annex Advisory Services, LLC53,779$1.29M0.02%+182+0.3%Added
MetLife Investment Management53,834$1.29M0.01%−1,950−3.5%Reduced
State of Alaska, Department of Revenue54,458$1.31M0.01%+380+0.7%Added
Kestra Advisory Services, LLC56,620$1.36M0.01%00.0%Unchanged
Susquehanna International Group, LLP57,500$1.38M0.00%+19,910+53.0%Added
Dockside LLC58,772$1.41M0.36%+58,772New
Wedge Capital Management L L P60,742$1.46M0.03%+5,645+10.2%Added
Oppenheimer Asset Management Inc.60,804$1.46M0.02%−5,906−8.9%Reduced
Citadel Advisors LLC62,773$1.51M0.00%−42,351−40.3%Reduced
State of Tennessee, Treasury Department52,577$1.58M0.01%+3,533+7.2%Added
Legato Capital Management LLC68,361$1.64M0.14%+22,374+48.7%Added
Brevan Howard Capital Management LP69,859$1.68M0.03%+18,906+37.1%Added
Thrivent Financial for Lutherans70,638$1.70M0.00%−25,831−26.8%Reduced
Pathstone Holdings, LLC71,338$1.71M0.01%+5,152+7.8%Added
Glenorchy Capital Ltd72,995$1.75M1.14%−572−0.8%Reduced
New York State Common Retirement Fund73,422$1.76M0.00%+42,174+135.0%Added
D. E. Shaw & Co., Inc.77,348$1.86M0.00%−96,223−55.4%Reduced
Deutsche Bank AG78,977$1.90M0.00%−63,202−44.5%Reduced
Y-Intercept (Hong Kong) Ltd84,594$2.03M0.05%+84,594New
Great West Life Assurance Co85,445$2.05M0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.84,416$2.10M0.00%−5,544−6.2%Reduced
Jennison Associates LLC87,910$2.11M0.00%+7,006+8.7%Added
Millennium Management LLC88,022$2.12M0.00%−126,706−59.0%Reduced
Engineers Gate Manager LP88,549$2.13M0.03%−42,113−32.2%Reduced
State of New Jersey Common Pension Fund D91,781$2.21M0.01%−821−0.9%Reduced
California State Teachers Retirement System93,563$2.25M0.00%+216+0.2%Added
Bridgeway Capital Management, LLC93,600$2.25M0.05%−4,913−5.0%Reduced
Isthmus Partners, LLC97,629$2.35M0.26%+706+0.7%Added
CenterBook Partners LP100,220$2.41M0.12%+83,705+506.8%Added
Price T Rowe Associates Inc101,308$2.44M0.00%+8,260+8.9%Added
Squarepoint Ops LLC106,916$2.57M0.01%+106,916New
Federated Hermes, Inc.109,901$2.64M0.00%+46,163+72.4%Added
Alliancebernstein L.P.111,822$2.69M0.00%−1,938−1.7%Reduced
Trexquant Investment LP112,759$2.71M0.02%+82,805+276.4%Added
Concurrent Investment Advisors, LLC116,159$2.79M0.03%−50.0%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.118,548$2.85M0.00%+116,476+5,621.4%Added
SIR Capital Management, L.P.120,000$2.88M0.32%−152,400−55.9%Reduced
Leuthold Group, LLC147,639$3.55M0.38%+147,639New
EFG International AG152,292$3.66M0.07%+152,292New
SG Americas Securities, LLC153,423$3.69M0.00%−3,124−2.0%Reduced
Essex Investment Management Co LLC155,434$3.74M0.57%−3,827−2.4%Reduced
New York State Teachers Retirement System164,257$3.95M0.01%−1,083−0.7%Reduced
Gabelli Funds LLC186,973$4.49M0.03%−1,392−0.7%Reduced
BNP Paribas Arbitrage, SA193,952$4.66M0.00%+28,565+17.3%Added
Swiss National Bank197,548$4.75M0.00%+2,600+1.3%Added
Ameriprise Financial Inc210,679$5.06M0.00%+2,876+1.4%Added
Rhumbline Advisers226,623$5.45M0.00%−11,866−5.0%Reduced
Brandywine Global Investment Management, LLC228,424$5.49M0.04%+228,424New
Envestnet Asset Management Inc228,689$5.50M0.00%−27,254−10.6%Reduced
Granite Investment Partners, LLC238,380$5.73M0.34%+238,380New
Legal & General Group Plc254,059$6.11M0.00%−11,259−4.2%Reduced
Prudential Financial Inc259,311$6.23M0.01%−27,507−9.6%Reduced
State of Wisconsin Investment Board261,453$6.28M0.01%+19,024+7.8%Added
Wells Fargo & Company265,905$6.39M0.00%+17,777+7.2%Added
Russell Investments Group, Ltd.268,176$6.44M0.01%+12,083+4.7%Added
FMR LLC269,765$6.48M0.00%+118,224+78.0%Added
UBS Asset Management Americas Inc290,904$6.99M0.00%+151,837+109.2%Added
Intech Investment Management LLC298,125$7.16M0.06%+123,964+71.2%Added
Gamco Investors, Inc. Et Al341,840$8.21M0.08%+35,400+11.6%Added
Public Sector Pension Investment Board345,270$8.30M0.03%−45,596−11.7%Reduced
Keating Investment Counselors Inc354,356$8.52M2.36%−3,617−1.0%Reduced
AQR Capital Management LLC372,749$8.96M0.00%+69,837+23.1%Added
Agf Management Ltd374,718$9.00M0.04%+374,718New
Sagefield Capital LP380,070$9.13M0.77%−129,548−25.4%Reduced
Panagora Asset Management Inc383,966$9.23M0.03%+64,550+20.2%Added
Barclays PLC416,792$10.0M0.00%+30,689+7.9%Added
SEI Investments Co418,786$10.1M0.01%−47,339−10.2%Reduced
Franklin Resources Inc446,204$10.7M0.00%−256,542−36.5%Reduced
Aristotle Capital Boston, LLC450,306$10.8M0.59%−393,487−46.6%Reduced
UBS Group AG458,211$11.0M0.00%−33,425−6.8%Reduced
Schroder Investment Management Group501,914$12.2M0.01%+24,698+5.2%Added
JPMorgan Chase & Co507,883$12.2M0.00%−256,024−33.5%Reduced
Boston Trust Walden Corp532,179$12.8M0.10%−62,771−10.6%Reduced
Tudor Investment Corp Et Al539,676$13.0M0.07%+47,748+9.7%Added
Old West Investment Management, LLC543,271$13.1M2.33%+305,168+128.2%Added
First Trust Advisors LP562,486$13.5M0.01%+118,909+26.8%Added
Goehring & Rozencwajg Associates, LLC568,734$13.7M1.35%+102,676+22.0%Added
Principal Financial Group Inc576,822$13.9M0.01%+30,093+5.5%Added
Invesco Ltd.597,363$14.4M0.00%−16,398−2.7%Reduced
Bank of America Corp627,934$15.1M0.00%−72,327−10.3%Reduced
Point72 Asset Management, L.P.699,212$16.8M0.03%+581,712+495.1%Added
Algert Global LLC699,646$16.8M0.26%+49,899+7.7%Added
Nuveen, LLC700,281$16.8M0.00%−19,747−2.7%Reduced
Bank of New York Mellon Corp770,246$18.5M0.00%+152,285+24.6%Added
Fisher Asset Management, LLC793,098$19.1M0.01%+153,214+23.9%Added
Ranger Investment Management, L.P.802,635$19.3M1.32%+206,665+34.7%Added
Fort Washington Investment Advisors Inc856,644$20.6M0.11%−445,148−34.2%Reduced
Morgan Stanley1,041,053$25.0M0.00%+26,200+2.6%Added
Qube Research & Technologies Ltd1,165,936$28.0M0.04%+466,556+66.7%Added
Northern Trust Corp1,216,859$29.2M0.00%+84,952+7.5%Added
Royal Bank of Canada1,221,789$29.4M0.01%−67,116−5.2%Reduced
Goldman Sachs Group Inc1,273,669$30.6M0.00%−151,709−10.6%Reduced