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Disclosery

OIS OIL STS INTL INC

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COM (common), issuer CIK 1121484

156 managers (159 13F filers) reported a position in OIS shares at 2025-09-30, 53,120,868 shares in all. 23 filers opened a position and 16 filers sold out during the quarter.

Managers
156
13F filers
159
New
23
Added
64
Reduced
48
Sold out
16
Shares held by filers
53,120,868

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
BlackRock, Inc.in group BlackRock, Inc.6,553,236$39.7M<0.01%-210,00213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding4,511,450$27.3M+187,392Timeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP3,563,100$21.6M<0.01%+85,77413F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.2,818,573$17.1M0.01%-152,81913F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…2,605,174$15.8M0.03%+16,77813F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC2,479,057$15M0.03%+45,41513F-HRTimelineGroup
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC1,809,731$11M0.03%+184,54113F-HRTimeline
GENDELL JEFFREY Lin group GENDELL JEFFREY L1,637,718$9.92M0.18%+30,00013F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC1,538,960$9.33M0.01%+305,06513F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,503,966$9.11M<0.01%-115,64313F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,493,375$9.05M<0.01%+216,95413F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,363,331$8.26M<0.01%+18,99813F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC1,338,993$8.11M0.18%-672,51613F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO1,303,674$7.9M<0.01%-554,20613F-HR/ATimelineGroup
Hillsdale Investment Management Inc.1,266,500$7.67M0.23%+92,20013F-HRTimeline
UBS Group AGin group UBS Group AG1,055,130$6.39M<0.01%+897,56313F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC1,052,635$6.38M0.14%+300,01013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY1,009,910$6.12M<0.01%-299,67713F-HR/ATimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co954,967$5.79M<0.01%+314,67113F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC944,832$5.73M0.01%+5,00013F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC675,417$4.09M0.02%+190,49913F-HRTimeline
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding631,344$3.83M+91,627Timeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC534,663$3.24M<0.01%-12,52813F-HRTimelineGroup
Nuveen, LLCin group TIAA500,815$3.03M<0.01%-384,25713F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP495,053$3M<0.01%-7,00913F-HRTimelineGroup
Empowered Funds, LLC488,435$2.96M0.03%+56,51013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC484,267$2.93M<0.01%+4,83513F-HRTimelineGroup
MASSACHUSETTS FINANCIAL SERVICES CO /MA/in group MASSACHUSETTS FINANCIAL SERVI…395,218$2.4M<0.01%+358,40013F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…383,064$2.32M<0.01%+248,69313F-HRTimeline
Hara Capital LLC351,839$2.13M1.26%+157,09413F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.347,095$2.1M<0.01%+66013F-HRTimelineGroup
Qube Research & Technologies Ltd335,241$2.03M<0.01%-200,28513F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\303,569$1.84M<0.01%+10,15113F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC302,458$1.83M<0.01%+19,47213F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…287,663$1.74M<0.01%+157,68813F-HRTimelineGroup
Fisher Asset Management, LLC225,704$1.37M<0.01%013F-HRTimeline
ALGERT GLOBAL LLC219,401$1.33M0.02%+182,75513F-HR/ATimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …215,785$1.31M<0.01%+148,39613F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp211,464$1.28M<0.01%+1,74713F-HRTimelineGroup
Franklin Resourcesgroup of 2 filers holding195,416$1.18M+5,203Timeline
FMR LLCin group FMR LLC195,043$1.18M<0.01%+18,94713F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC189,884$1.15M<0.01%013F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC184,309$1.12M<0.01%-15,68813F-HR/ATimelineGroup
LSV ASSET MANAGEMENT180,506$1.09M<0.01%new13F-HRTimeline
SEGALL BRYANT & HAMILL, LLC165,204$1M0.01%new13F-HRTimeline
Campbell & CO Investment Adviser LLC163,686$992K0.07%-88,48513F-HRTimeline
Invesco Ltd.in group Invesco Ltd.162,168$983K<0.01%-25,68113F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC160,685$974K0.02%-10,13113F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/144,354$875K<0.01%+5,13013F-HR/ATimelineGroup
RENAISSANCE TECHNOLOGIES LLC130,900$793K<0.01%-6,60013F-HRTimeline
IEQ CAPITAL, LLC116,091$704K<0.01%+33,29613F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/113,007$685K<0.01%+4,12713F-HRTimeline
RHUMBLINE ADVISERS112,855$684K<0.01%-9,30613F-HRTimeline
GSA CAPITAL PARTNERS LLP112,773$683K0.06%-63,90113F-HRTimeline
Nierenberg Investment Management Compan…111,555$676K0.37%013F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC109,681$661K<0.01%-7,45013F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP103,944$630K<0.01%+1,25013F-HRTimelineGroup
Assenagon Asset Management S.A.103,713$629K<0.01%-59,27613F-HRTimeline
STRS OHIO101,100$613K<0.01%+44,80013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO90,234$547K<0.01%-12,51113F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC90,115$546K<0.01%+1,15313F-HRTimeline
Arax Advisory Partners89,034$540K0.01%new13F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC86,684$525K<0.01%-52,17013F-HRTimeline
State of Wyoming83,794$508K0.06%-17,72413F-HRTimeline
Creative Planningin group Creative Planning82,389$499K<0.01%+64,60013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC81,371$493K<0.01%new13F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.78,290$474K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC70,667$428K<0.01%+36,24313F-HRTimelineGroup
Sterling Capital Management LLC60,420$366K0.01%+58,80313F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC57,948$351K<0.01%-657,07813F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD54,815$332K<0.01%new13F-HRTimeline
Graham Capital Management, L.P.52,682$319K0.01%-8,85113F-HRTimeline
Man Group plcin group Man Group plc52,591$319K<0.01%new13F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN45,294$274K<0.01%+7,32113F-HRTimelineGroup
BAILARD, INC.45,000$273K0.01%-1,70013F-HRTimeline
COMERICA BANK42,277$256K<0.01%013F-HRTimeline
Mariner, LLCin group Mariner, LLC41,643$252K<0.01%+15,87613F-HRTimelineGroup
Inspire Advisors, LLCin group Inspire Investing, LLC39,829$241K0.02%new13F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd39,527$240K0.01%-27,40413F-HRTimelineGroup
Verition Fund Management LLC38,422$233K<0.01%013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC36,890$224K<0.01%-2,79013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…34,430$214K<0.01%+13,37413F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC33,746$205K<0.01%+8,70213F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…33,530$203K<0.01%-1,80713F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…30,298$184K<0.01%-48,04913F-HRTimelineGroup
Quantinno Capital Management LP29,737$180K<0.01%+12,17713F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…27,298$165K<0.01%-50,31413F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…26,737$162K<0.01%-5,31913F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…26,664$162K<0.01%-22,07913F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…26,404$160K<0.01%-3,42713F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC25,769$156K<0.01%new13F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV24,530$149K<0.01%new13F-HRTimeline
DIVERSIFIED TRUST CO22,692$138K<0.01%+4,59313F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …20,197$122K<0.01%-1,59913F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC19,127$116K<0.01%new13F-HRTimelineGroup
NewEdge Advisors, LLC18,961$115K<0.01%+3,22213F-HRTimeline
SG Americas Securities, LLC18,814$114K<0.01%+7,84513F-HRTimeline
Aquatic Capital Management LLC17,851$108K<0.01%+10,44313F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…17,823$108K<0.01%+10713F-HRTimeline
Police & Firemen's Retirement System of…14,813$89.8K<0.01%013F-HRTimeline
BRIGHTON JONES LLC14,684$89K<0.01%+3,75613F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC13,878$84.1K<0.01%-1,10113F-HRTimelineGroup
Trexquant Investment LP13,668$82.8K<0.01%new13F-HRTimeline
Focus Partners Advisor Solutions, LLCin group Focus Partners Wealth13,002$81.9K<0.01%new13F-HRTimelineGroup
Ethic Inc.12,901$78.2K<0.01%-2,10013F-HRTimeline
CAPTRUST FINANCIAL ADVISORS11,930$72.3K<0.01%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC11,833$71.7K<0.01%-7,77613F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS11,626$70.5K<0.01%+5,77913F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management11,161$67.6K<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.11,946$67.1K<0.01%-2,73013F-HRTimelineGroup
Pallas Capital Advisors LLC10,353$62.7K<0.01%-14213F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.10,325$62.6K<0.01%new13F-HRTimelineGroup
ProShare Advisors LLC10,011$60.7K<0.01%-1,99613F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND9,732$59K<0.01%013F-HRTimeline
Essential Partners LLC9,436$57.2K0.02%+1,78913F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…8,532$51.7K<0.01%+9613F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…8,013$48.6K<0.01%+1,13713F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…6,222$37.7K<0.01%013F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc5,428$32.9K<0.01%013F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…5,291$32K<0.01%-18913F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…4,450$27K<0.01%+213F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,950$23.9K<0.01%-3,44313F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\2,585$15.7K<0.01%+1,61213F-HRTimelineGroup
Allworth Financial LP2,413$14.6K<0.01%+1,61813F-HRTimeline
AMALGAMATED BANK2,110$13K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,879$11.4K<0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,663$10.1K<0.01%new13F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC1,219$7.39K<0.01%013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,076$6K<0.01%-19,60213F-HRTimelineGroup
True Wealth Design, LLC950$5.76K<0.01%+27613F-HRTimeline
Versant Capital Management, Inc937$5.68K<0.01%013F-HRTimeline
GAMMA Investing LLC936$5.67K<0.01%+42613F-HRTimeline
IFP Advisors, Inc919$5.57K<0.01%+26313F-HR/ATimeline
Investors Research Corp900$5.45K<0.01%013F-HRTimeline
Fortitude Family Office, LLC708$4.29K<0.01%013F-HRTimeline
Quantbot Technologies LP670$4.06K<0.01%-17,38613F-HRTimeline
Physician Wealth Advisors, Inc.610$3.7K<0.01%+13313F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.536$3.25K<0.01%-43213F-HRTimelineGroup
Wealthspire Advisors, LLC458$2.78K<0.01%new13F-HRTimeline
Clearstead Advisors, LLC388$2.35K<0.01%+35513F-HRTimeline
ROTHSCHILD INVESTMENT LLC388$2.35K<0.01%+9313F-HRTimeline
FNY Investment Advisers, LLC341$2K<0.01%new13F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…313$1.9K<0.01%013F-HRTimelineGroup
Smartleaf Asset Management LLC261$1.65K<0.01%+3713F-HRTimeline
Private Wealth Management Group, LLC266$1.61K<0.01%013F-HRTimeline
SIMPLEX TRADING, LLC249$1K<0.01%new13F-HRTimeline
SIGNATUREFD, LLC153$927<0.01%new13F-HRTimeline
Rialto Wealth Management, LLC136$825<0.01%013F-HRTimeline
GROUP ONE TRADING LLC112$679<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust105$637<0.01%013F-HRTimeline
Farther Finance Advisors, LLC63$382<0.01%new13F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…51$309<0.01%-3013F-HRTimelineGroup
RAFFA WEALTH MANAGEMENT, LLC46$279<0.01%013F-HRTimeline
Sunbelt Securities, Inc.23$139<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.10$61<0.01%013F-HRTimeline
Boreal Capital Management LLC4$24<0.01%013F-HRTimeline