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© 2026 Insider Trade Flow. Not financial advice. All data sourced from public SEC filings, 13F reports, and Polymarket.
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Browse our comprehensive A-Z directory of public companies, corporate insiders, and institutional investors tracked through SEC filings.

Companies starting with O

253 companies
ABCDEFGHIJKLMNOPQRSTUVWXYZ
OKFC logoOKFC

O A K FINANCIAL CORP

CHUX logoCHUX

O CHARLEYS INC

ORLY logoORLY

O REILLY AUTOMOTIVE INC

OTD logoOTD

O2DIESEL CORP

OAKF logoOAKF

OAK HILL FINANCIAL INC

OKME logoOKME

OAK RIDGE MICRO-ENERGY INC

OVLY logoOVLY

Oak Valley Bancorp

OAKU logoOAKU

Oak Woods Acquisition Corp

OO logoOO

OAKLEY INC

OAKR.OB logoOAKR.OB

OAKRIDGE ENERGY INC

OCSL logoOCSL

Oaktree Specialty Lending Corp

OYSM logoOYSM

Oasys Mobile, Inc.

OMPI logoOMPI

Obagi Medical Products, Inc.

OBLG logoOBLG

Oblong, Inc.

OCNW logoOCNW

OCCAM NETWORKS INC/DE

OCCM.OB logoOCCM.OB

OCCAM NETWORKS INC/DE

OXY logoOXY

OCCIDENTAL PETROLEUM CORP /DE/

RHEO logoRHEO

OccuLogix, Inc.

OBCI logoOBCI

OCEAN BIO CHEM INC

OPTT logoOPTT

Ocean Power Technologies, Inc.

(OSHC) logo(OSHC)

OCEAN SHORE HOLDING CO

OWHC.OB logoOWHC.OB

OCEAN WEST HOLDING CORP

OII logoOII

OCEANEERING INTERNATIONAL INC

OCFC logoOCFC

OCEANFIRST FINANCIAL CORP

OCEX logoOCEX

OCEANIC EXPLORATION CO

SVRN logoSVRN

OceanPal Inc.

OCTIX logoOCTIX

Octagon XAI CLO Income Fund

AMBC logoAMBC

OCTAVE SPECIALTY GROUP INC

OCUL logoOCUL

OCULAR THERAPEUTIX, INC

OCN logoOCN

OCWEN FINANCIAL CORP

ODD logoODD

Oddity Tech Ltd

ODMO logoODMO

Odimo INC

ODYS logoODYS

Odysight.ai Inc.

ODSY logoODSY

ODYSSEY HEALTHCARE INC

OMR logoOMR

ODYSSEY MARINE EXPLORATION INC

OMEX logoOMEX

ODYSSEY MARINE EXPLORATION INC

"OMEX" logo"OMEX"

ODYSSEY MARINE EXPLORATION INC

ORH logoORH

ODYSSEY RE HOLDINGS CORP

OTH logoOTH

OFF THE HOOK YS INC.

OPAD logoOPAD

Offerpad Solutions Inc.

ODP logoODP

OFFICE DEPOT INC

NASDAQ:OPI logoNASDAQ:OPI

OFFICE PROPERTIES INCOME TRUST

OMX logoOMX

OFFICEMAX INC

OFG logoOFG

OFG BANCORP

OCCI logoOCCI

OFS Credit Company, Inc.

OGE logoOGE

OGE ENERGY CORP

OGBY logoOGBY

OGLEBAY NORTON CO /OHIO/

OGBY.OB logoOGBY.OB

OGLEBAY NORTON CO /OHIO/

OGBY.OG logoOGBY.OG

OGLEBAY NORTON CO /OHIO/

OCAS logoOCAS

OHIO CASUALTY CORP

OLCB logoOLCB

OHIO LEGACY CORP

OHSB logoOHSB

OHIO STATE BANCSHARES INC

OVBC logoOVBC

OHIO VALLEY BANC CORP

OICO logoOICO

OI CORP

ODC logoODC

OIL DRI CORPORATION OF AMERICA

OIS logoOIS

OIL STATES INTERNATIONAL, INC

OLGR logoOLGR

OILGEAR CO

OKLO logoOKLO

Oklo Inc.

OKTA logoOKTA

Okta, Inc.

OLPX logoOLPX

OLAPLEX HOLDINGS, INC.

OLB logoOLB

OLB GROUP, INC.

ODFL logoODFL

OLD DOMINION FREIGHT LINE INC/VA

OLBK logoOLBK

OLD LINE BANCSHARES INC

OMCC logoOMCC

OLD MARKET CAPITAL Corp

OLA logoOLA

Old Mutual/Claymore Long-Short Fund (f.k.a. Analytic Covered Call Plus Fund)

ONB logoONB

OLD NATIONAL BANCORP /IN/

OPOF logoOPOF

OLD POINT FINANCIAL CORP

ORI logoORI

OLD REPUBLIC INTERNATIONAL CORP

OSBC logoOSBC

OLD SECOND BANCORP INC

OLMA logoOLMA

Olema Pharmaceuticals, Inc.

OLN logoOLN

OLIN CORP

OLLI logoOLLI

Ollie's Bargain Outlet Holdings, Inc.

OLO logoOLO

Olo Inc.

ZEUS logoZEUS

OLYMPIC STEEL INC

OMG logoOMG

OM GROUP INC

OMDA logoOMDA

Omada Health, Inc.

OMEF logoOMEF

OMEGA FINANCIAL CORP /PA/

OFLX logoOFLX

Omega Flex, Inc.

OHI logoOHI

OMEGA HEALTHCARE INVESTORS INC

OME logoOME

OMEGA PROTEIN CORP

OMER logoOMER

OMEROS CORP

OMM logoOMM

OMI CORP/M I

OMNI logoOMNI

OMNI ENERGY SERVICES CORP

OFSI logoOFSI

Omni Financial Services, Inc.

BDTE logoBDTE

OMNI USA INC

OABI logoOABI

OmniAb, Inc.

NYSE: OCR logoNYSE: OCR

OMNICARE INC

OMCL logoOMCL

OMNICELL INC /CA/

OMC logoOMC

OMNICOM GROUP INC

OMCV logoOMCV

OMNICOM GROUP INC.

OMCM.OB logoOMCM.OB

OMNICOMM SYSTEMS INC

OMCM logoOMCM

OMNICOMM SYSTEMS INC

OMQS logoOMQS

OMNIQ Corp.

OMTK logoOMTK

Omnitek Engineering Corp

OMTR logoOMTR

Omniture, Inc.

OVTI logoOVTI

OMNIVISION TECHNOLOGIES INC

OMN logoOMN

OMNOVA SOLUTIONS INC

OMRI logoOMRI

Omrix Biopharmaceuticals, Inc.

OMTL logoOMTL

OMTOOL LTD

ASGN logoASGN

ON ASSIGNMENT INC

ONON logoONON

On Holding AG

ONNN logoONNN

ON SEMICONDUCTOR CORP

ON logoON

ON SEMICONDUCTOR CORP

ONT logoONT

ON2 TECHNOLOGIES, INC.

ONTF logoONTF

ON24 INC.

TOI logoTOI

Oncology Institute, Inc.

ONCY logoONCY

ONCOLYTICS BIOTECH INC

ONCO logoONCO

Onconetix, Inc.

OTLC logoOTLC

Oncotelic Therapeutics, Inc.

ONDS logoONDS

Ondas Holdings Inc.

OGS logoOGS

ONE Gas, Inc.

STKS logoSTKS

ONE Group Hospitality, Inc.

OIVO logoOIVO

ONE IP VOICE, INC.

OLP logoOLP

ONE LIBERTY PROPERTIES INC

OSS logoOSS

ONE STOP SYSTEMS, INC.

OB logoOB

OneBeacon Insurance Group, Ltd.

NYSE: OB logoNYSE: OB

OneBeacon Insurance Group, Ltd.

NYSE:OB logoNYSE:OB

OneBeacon Insurance Group, Ltd.

ONFC logoONFC

ONEIDA FINANCIAL CORP

OLKT logoOLKT

ONELINK CORP

OLNK logoOLNK

ONELINK CORP

OMF logoOMF

OneMain Holdings, Inc.

ONMD logoONMD

OneMedNet Corp

OKE logoOKE

ONEOK INC /NEW/

OKS logoOKS

ONEOK Partners LP

OSPN logoOSPN

OneSpan Inc.

OSW logoOSW

ONESPAWORLD HOLDINGS Ltd

ONEW logoONEW

OneWater Marine Inc.

ONIT logoONIT

ONITY GROUP INC.

OKUR logoOKUR

OnKure Therapeutics, Inc.

ONLH logoONLH

ONLINE HOLDINGS INC

ORCC logoORCC

ONLINE RESOURCES CORP

ONVC logoONVC

ONLINE VACATION CENTER HOLDINGS CORP

ONSM logoONSM

Onstream Media CORP

ONTO logoONTO

ONTO INNOVATION INC.

ONVI logoONVI

ONVIA INC

ONXX logoONXX

ONYX PHARMACEUTICALS INC

ONYX logoONYX

ONYX SOFTWARE CORP/WA

ONXS logoONXS

ONYX SOFTWARE CORP/WA

OOMA logoOOMA

OOMA INC

OPBK logoOPBK

OP Bancorp

OPAL logoOPAL

OPAL Fuels Inc.

OEGY.OB logoOEGY.OB

OPEN ENERGY CORP

LPRO logoLPRO

Open Lending Corp

OPEN logoOPEN

OPEN SOLUTIONS INC

KAR logoKAR

OPENLANE, Inc.

OLKR logoOLKR

OpenLocker Holdings, Inc.

OPTV logoOPTV

OPENTV CORP

OPWV logoOPWV

OPENWAVE SYSTEMS INC

OPRA logoOPRA

Opera Ltd

OPGN logoOPGN

OPGEN INC

ORCI logoORCI

OPINION RESEARCH CORP

OPK logoOPK

OPKO HEALTH, INC.

OPLK logoOPLK

OPLINK COMMUNICATIONS INC

OPNT logoOPNT

OPNET TECHNOLOGIES INC

OPRT logoOPRT

Oportun Financial Corp

OPY logoOPY

OPPENHEIMER HOLDINGS INC

68381K101 logo68381K101

OPPENHEIMER SENIOR FLOATING RATE FUND

OPFI logoOPFI

OppFi Inc.

OPSW logoOPSW

OPSWARE INC

OPTC logoOPTC

Optelecom-NKF, Inc.

OPX logoOPX

Opteum Inc.

OPXS logoOPXS

Optex Systems Holdings Inc

OPTI.OB logoOPTI.OB

OPTI INC

OCCF logoOCCF

OPTICAL CABLE CORP

OCC logoOCC

OPTICAL CABLE CORP

OCPI logoOCPI

OPTICAL COMMUNICATION PRODUCTS INC

OPTL.OB logoOPTL.OB

OPTICAL SENSORS INC

OPRX logoOPRX

OptimizeRx Corp

OPTU logoOPTU

Optimum Communications, Inc.

OPHC logoOPHC

OptimumBank Holdings, Inc.

OPTO.OB logoOPTO.OB

OPTIO SOFTWARE INC

OPCH logoOPCH

Option Care Health, Inc.

OPTN logoOPTN

OPTION CARE INC/DE

OPBL.OB logoOPBL.OB

Optionable Inc

OXPS logoOXPS

optionsXpress Holdings, Inc.

IRD logoIRD

Opus Genetics, Inc.

ORCL logoORCL

ORACLE CORP

ONI logoONI

ORAGENICS INC

OGEN logoOGEN

ORAGENICS INC

OLAB logoOLAB

ORALABS HOLDING CORP

ORMP logoORMP

ORAMED PHARMACEUTICALS INC.

ORNG logoORNG

Orange 21 Inc.

OBT logoOBT

Orange County Bancorp, Inc. /DE/

OSUR logoOSUR

ORASURE TECHNOLOGIES INC

ORBC logoORBC

ORBCOMM Inc.

ORBM logoORBM

ORBIMAGE INC

ORBT logoORBT

ORBIT INTERNATIONAL CORP

ORB logoORB

ORBITAL SCIENCES CORP /DE/

OBIO logoOBIO

Orchestra BioMed Holdings, Inc.

ORCH logoORCH

ORCHID CELLMARK INC

ORC logoORC

Orchid Island Capital, Inc.

TIS logoTIS

Orchids Paper Products CO /DE

OPBP logoOPBP

OREGON PACIFIC BANCORP

OS logoOS

OREGON STEEL MILLS INC

(OS) logo(OS)

OREGON STEEL MILLS INC

ORGO logoORGO

Organogenesis Holdings Inc.

OGN logoOGN

Organon & Co.

ORIC logoORIC

Oric Pharmaceuticals, Inc.

ORGN logoORGN

ORIGEN FINANCIAL INC

OBK logoOBK

Origin Bancorp, Inc.

N/A logoN/A

Origin Real Estate Credit Fund

OESX logoOESX

ORION ENERGY SYSTEMS, INC.

ORN logoORN

Orion Group Holdings Inc

ONH logoONH

ORION HEALTHCORP INC

ONL logoONL

Orion Properties Inc.

OEC logoOEC

Orion S.A.

OHB logoOHB

ORLEANS HOMEBUILDERS INC

ORA logoORA

ORMAT TECHNOLOGIES, INC.

ORRF logoORRF

ORRSTOWN FINANCIAL SERVICES INC

OFIX logoOFIX

ORTHOFIX INTERNATIONAL N V

OMRX.OB logoOMRX.OB

ORTHOMETRIX INC

KIDS logoKIDS

ORTHOPEDIATRICS CORP

VITA logoVITA

ORTHOVITA INC

ORKA logoORKA

Oruka Therapeutics, Inc.

OFFO logoOFFO

OSAGE FEDERAL FINANCIAL INC

OSCR logoOSCR

Oscar Health, Inc.

OSCI logoOSCI

OSCIENT PHARMACEUTICALS CORP

OSK logoOSK

OSHKOSH TRUCK CORP

OSIP logoOSIP

OSI PHARMACEUTICALS INC

OSI logoOSI

OSI RESTAURANT PARTNERS, INC.

OSIS logoOSIS

OSI SYSTEMS INC

OSIR logoOSIR

OSIRIS THERAPEUTICS, INC.

OSTE logoOSTE

OSTEOTECH INC

OTT logoOTT

OTELCO INC.

OTIS logoOTIS

Otis Worldwide Corp

OTTW logoOTTW

Ottawa Savings Bancorp, Inc.

OTTR logoOTTR

OTTER TAIL CORP

OPCO logoOPCO

OURPETS CO

OUST logoOUST

Ouster, Inc.

OUTD logoOUTD

OUTDOOR CHANNEL HOLDINGS INC

POWW logoPOWW

Outdoor Holding Co

OUT logoOUT

OUTFRONT Media Inc.

OUTL logoOUTL

OUTLOOK GROUP CORP

OM logoOM

Outset Medical, Inc.

OFI logoOFI

OVERHILL FARMS INC

OVRL logoOVRL

OVERLAND STORAGE INC

OSG logoOSG

OVERSEAS SHIPHOLDING GROUP INC

OSTK logoOSTK

OVERSTOCK.COM, INC

OVID logoOVID

Ovid Therapeutics Inc.

OVV logoOVV

Ovintiv Inc.

OMI logoOMI

OWENS & MINOR INC/VA/

OC logoOC

Owens Corning

OWENQ logoOWENQ

OWENS CORNING

OI logoOI

OWENS ILLINOIS INC /DE/

NONE logoNONE

OWENS MORTGAGE INVESTMENT FUND A CALIF LTD PARTNERSHIP

OWLT logoOWLT

Owlet, Inc.

OXBR logoOXBR

OXBRIDGE RE HOLDINGS Ltd

OXM logoOXM

OXFORD INDUSTRIES INC

OXMI logoOXMI

OXFORD MEDIA, INC.

OXGN logoOXGN

OXIGENE INC

OXIS.OB logoOXIS.OB

OXIS INTERNATIONAL INC

OYOG logoOYOG

OYO GEOSPACE CORP