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Disclosery

OII OCEANEERING INTL INC

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COM (common), issuer CIK 73756

296 managers (302 13F filers) reported a position in OII shares at 2025-09-30, 95,575,640 shares in all. 44 filers opened a position and 29 filers sold out during the quarter.

Managers
296
13F filers
302
New
44
Added
108
Reduced
103
Sold out
29
Shares held by filers
95,575,640

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BLAIR WILLIAM & CO/IL9,964$247K<0.01%new13F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC9,778$242K<0.01%new13F-HRTimelineGroup
Legacy Capital Group California, Inc.9,397$233K0.06%new13F-HRTimeline
R Squared Ltd9,259$229K0.1%new13F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC8,980$223K<0.01%new13F-HRTimeline
Neo Ivy Capital Management8,372$207K0.05%new13F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP8,127$201K0.01%-75,54813F-HR/ATimeline
OMERS ADMINISTRATION Corp8,100$201K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…7,855$195K0.01%-1,74513F-HRTimelineGroup
GLOBEFLEX CAPITAL L P7,283$180K0.03%013F-HRTimeline
SHELL ASSET MANAGEMENT CO5,257$130K0.01%-6,18013F-HRTimeline
New Age Alpha Advisors, LLC4,516$112K<0.01%-8413F-HRTimeline
Point72 Asia (Singapore) Pte. Ltd.3,964$98.2K0.02%-3,07413F-HRTimeline
Point72 (DIFC) Ltd3,717$92.1K0.01%-6,19213F-HRTimeline
KBC Group NVin group KBC Group NV3,726$92K<0.01%013F-HRTimelineGroup
Smartleaf Asset Management LLC3,464$86.9K0.01%+46913F-HRTimeline
GAMMA Investing LLC3,505$86.9K<0.01%+6413F-HRTimeline
IFP Advisors, Inc2,908$72.1K<0.01%-7713F-HR/ATimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …2,072$51K<0.01%013F-HRTimelineGroup
CHILTON CAPITAL MANAGEMENT LLC2,000$49.6K<0.01%013F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC1,952$48K<0.01%+62913F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,929$47.8K<0.01%-11,27713F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC1,797$44.5K<0.01%new13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,672$41.4K<0.01%+2413F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,590$39.4K<0.01%+14813F-HRTimelineGroup
SIGNATUREFD, LLC1,490$36.9K<0.01%+1613F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…1,422$35.2K<0.01%+11313F-HRTimeline
SBI Securities Co., Ltd.1,392$34.5K<0.01%+1,00013F-HRTimeline
Point72 Europe (London) LLP1,306$32.4K<0.01%new13F-HRTimeline
Quarry LP1,229$30.5K0.01%new13F-HRTimeline
Versant Capital Management, Inc1,192$29.5K<0.01%013F-HRTimeline
Investors Research Corp1,100$27.3K0.01%013F-HRTimeline
Salomon & Ludwin, LLC1,068$26K<0.01%new13F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp1,000$24.8K<0.01%-2913F-HRTimelineGroup
Essential Partners LLC995$24.7K0.01%+23113F-HRTimeline
Sterling Capital Management LLC954$23.6K<0.01%+45813F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD900$22.3K<0.01%013F-HRTimelineGroup
CX Institutional870$22K<0.01%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…773$19.2K<0.01%new13F-HRTimelineGroup
UMB Bank, n.a.731$18.1K<0.01%+6313F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Medallion Wealth Advisors, LLC660$16.4K0.01%013F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.654$16K<0.01%+42713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Byrne Asset Management LLC625$15.5K0.01%new13F-HRTimeline
AdvisorNet Financial, Inc614$15.2K<0.01%013F-HRTimeline
Parallel Advisors, LLC476$11.8K<0.01%-24613F-HRTimeline
MassMutual Private Wealth & Trust, FSB434$10.8K<0.01%+24013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.429$10.6K<0.01%+17213F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…391$9.69K<0.01%+6613F-HRTimelineGroup
Larson Financial Group LLC333$8.25K<0.01%-26313F-HRTimeline
Moisand Fitzgerald Tamayo, LLC299$7.41K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP285$7.31K<0.01%013F-HRTimelineGroup
Allworth Financial LP273$6.76K<0.01%+113F-HRTimeline
Root Financial Partners, LLC250$6.2K<0.01%new13F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…232$5.75K<0.01%+17313F-HRTimelineGroup
Wealthspire Advisors, LLC216$5.35K<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC215$5.33K<0.01%-5513F-HRTimeline
MAI Capital Management195$4.83K<0.01%013F-HRTimeline
Private Wealth Management Group, LLC136$3.37K<0.01%013F-HRTimeline
Pacer Advisors, Inc.122$3.02K<0.01%+613F-HRTimeline
Hemington Wealth Management156$3K<0.01%+613F-HRTimeline
Sunbelt Securities, Inc.119$2.95K<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust115$2.85K<0.01%013F-HRTimeline
THOMPSON INVESTMENT MANAGEMENT, INC.105$2.6K<0.01%013F-HRTimeline
STRS OHIO100$2.48K<0.01%013F-HRTimeline
SIMPLEX TRADING, LLC101$2K<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC76$1.88K<0.01%-1713F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…65$1.61K<0.01%-713F-HRTimelineGroup
Clearstead Advisors, LLC63$1.56K<0.01%-9,64013F-HRTimeline
Fortitude Family Office, LLC60$1.49K<0.01%+913F-HRTimeline
Clearstead Trust, LLC58$1.44K<0.01%013F-HRTimeline
Annis Gardner Whiting Capital Advisors,…55$1.36K<0.01%new13F-HRTimeline
Hughes Financial Services, LLC54$1.27K<0.01%013F-HRTimeline
SALEM INVESTMENT COUNSELORS INC50$1.24K<0.01%013F-HRTimeline
Wealth Preservation Advisors, LLC50$1.24K<0.01%+3013F-HRTimeline
Westfuller Advisors, LLC49$1.21K<0.01%new13F-HRTimeline
JFS WEALTH ADVISORS, LLC47$1.17K<0.01%-813F-HRTimeline
Covestor Ltd54$1K<0.01%013F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT49$1K<0.01%013F-HRTimeline
Bell Investment Advisors, Inc36$893<0.01%013F-HRTimeline
Steward Partners Investment Advisory, L…34$843<0.01%013F-HRTimeline
Rialto Wealth Management, LLC32$793<0.01%+513F-HRTimeline
CVA Family Office, LLC31$768<0.01%013F-HRTimeline
CREATIVE FINANCIAL DESIGNS INC /ADV29$719<0.01%013F-HRTimeline
Kilter Group LLC29$719<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK23$570<0.01%-8113F-HRTimelineGroup
Physician Wealth Advisors, Inc.20$496<0.01%new13F-HRTimeline
Advisory Services Network, LLC11$273<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.10$248<0.01%013F-HRTimeline
DiNuzzo Private Wealth, Inc.10$244<0.01%-1013F-HRTimeline
Bay Harbor Wealth Management, LLC9$223<0.01%+613F-HRTimeline
HFM Investment Advisors, LLC7$173<0.01%-113F-HRTimeline
Abound Wealth Management6$149<0.01%013F-HRTimeline
JPL Wealth Management, LLC5$124<0.01%new13F-HRTimeline
True Wealth Design, LLC2$50<0.01%013F-HRTimeline
Cloud Capital Management, LLC9$00%new13F-HRTimelineValue filed as zero, left out of ratios.
Erste Asset Management GmbHin group Erste Asset Management GmbH0$00%-40013F-HRTimelineGroupValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.