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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

191 companies
ABCDEFGHIJKLMNOPQRSTUVWXYZ
ORLY logoORLY

O REILLY AUTOMOTIVE INC

OVLY logoOVLY

Oak Valley Bancorp

OAKU logoOAKU

Oak Woods Acquisition Corp

OAK logoOAK

Oaktree Capital Group, LLC

OCSL logoOCSL

Oaktree Specialty Lending Corp

OCSI logoOCSI

Oaktree Strategic Income Corp

OMP logoOMP

Oasis Midstream Partners LP

OAS logoOAS

Oasis Petroleum Inc.

OTLY logoOTLY

Oatly Group AB

OBLN logoOBLN

OBALON THERAPEUTICS INC

OBLG logoOBLG

Oblong, Inc.

OWLS logoOWLS

OBOOK HOLDINGS INC.

OXY logoOXY

OCCIDENTAL PETROLEUM CORP /DE/

OBCI logoOBCI

OCEAN BIO CHEM INC

OPTT logoOPTT

Ocean Power Technologies, Inc.

OII logoOII

OCEANEERING INTERNATIONAL INC

OCFC logoOCFC

OCEANFIRST FINANCIAL CORP

SVRN logoSVRN

OceanPal Inc.

OZM logoOZM

Och-Ziff Capital Management Group LLC

OFED logoOFED

Oconee Federal Financial Corp.

OCTIX logoOCTIX

Octagon XAI CLO Income Fund

AMBC logoAMBC

OCTAVE SPECIALTY GROUP INC

OCGN logoOCGN

Ocugen, Inc.

OCUL logoOCUL

OCULAR THERAPEUTIX, INC

OVTZ logoOVTZ

OCULUS VISIONTECH INC.

OCN logoOCN

OCWEN FINANCIAL CORP

ODD logoODD

Oddity Tech Ltd

ODT logoODT

Odonate Therapeutics, Inc.

ODYS logoODYS

Odysight.ai Inc.

"OMEX" logo"OMEX"

ODYSSEY MARINE EXPLORATION INC

OMEX logoOMEX

ODYSSEY MARINE EXPLORATION INC

ODTX logoODTX

Odyssey Therapeutics, Inc.

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

OFG logoOFG

OFG BANCORP

OCCI logoOCCI

OFS Credit Company, Inc.

OGE logoOGE

OGE ENERGY CORP.

OHAI logoOHAI

OHA Investment Corp

OVBC logoOVBC

OHIO VALLEY BANC CORP

OIS logoOIS

OIL STATES INTERNATIONAL, INC

ODC logoODC

Oil-Dri Corp of America

OKLO logoOKLO

Oklo Inc.

OKTA logoOKTA

Okta, Inc.

OKYO logoOKYO

OKYO Pharma Ltd

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

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

OMDA logoOMDA

Omada Health, Inc.

OFLX logoOFLX

Omega Flex, Inc.

OHI logoOHI

OMEGA HEALTHCARE INVESTORS INC

OMER logoOMER

OMEROS CORP

OABI logoOABI

OmniAb, Inc.

OMCL logoOMCL

OMNICELL, Inc

OMC logoOMC

OMNICOM GROUP INC.

OMCV logoOMCV

OMNICOM GROUP INC.

OMCM logoOMCM

OMNICOMM SYSTEMS INC

OMQS logoOMQS

OMNIQ Corp.

OMTK logoOMTK

Omnitek Engineering Corp

OMN logoOMN

OMNOVA SOLUTIONS INC

ONDK logoONDK

On Deck Capital, Inc.

ONON logoONON

On Holding AG

ON logoON

ON SEMICONDUCTOR CORP

OTIVF logoOTIVF

ON TRACK INNOVATIONS LTD

ONTF logoONTF

ON24 INC.

OFRM logoOFRM

Once Upon a Farm, PBC

OCX logoOCX

OncoCyte Corp

TOI logoTOI

Oncology Institute, Inc.

ONCY logoONCY

ONCOLYTICS BIOTECH INC

OMED logoOMED

OncoMed Pharmaceuticals Inc

ONCO logoONCO

Onconetix, Inc.

ONTX logoONTX

Onconova Therapeutics, Inc.

ONCS logoONCS

ONCOSEC MEDICAL Inc

OTLC logoOTLC

Oncotelic Therapeutics, Inc.

ONDS logoONDS

Ondas Holdings Inc.

OGS logoOGS

ONE Gas, Inc.

STKS logoSTKS

ONE Group Hospitality, Inc.

STKS] logoSTKS]

ONE Group Hospitality, Inc.

OLP logoOLP

ONE LIBERTY PROPERTIES INC

OSS logoOSS

ONE STOP SYSTEMS, INC.

OMF logoOMF

OneMain Holdings, Inc.

ONMD logoONMD

OneMedNet Corp

ONEI logoONEI

OneMeta Inc.

OKE logoOKE

ONEOK INC /NEW/

OSPN logoOSPN

OneSpan Inc.

OSW logoOSW

ONESPAWORLD HOLDINGS Ltd

OS logoOS

OneStream, Inc.

ONEW logoONEW

OneWater Marine Inc.

ONIT logoONIT

ONITY GROUP INC.

OKUR logoOKUR

OnKure Therapeutics, Inc.

ONT logoONT

Onterris, Inc.

ONTO logoONTO

Onto Innovation Inc.

NANO logoNANO

Onto Innovation Inc.

OOMA logoOOMA

OOMA INC

OPBK logoOPBK

OP Bancorp

OPAL logoOPAL

OPAL Fuels Inc.

LPRO logoLPRO

Open Lending Corp

OPEN logoOPEN

Opendoor Technologies Inc.

KAR logoKAR

OPENLANE, Inc.

OPLN logoOPLN

OPENLANE, Inc.

OLKR logoOLKR

OpenLocker Holdings, Inc.

OPRA logoOPRA

Opera Ltd

OPES logoOPES

Opes Acquisition Corp.

OPGN logoOPGN

OPGEN INC

OPHT logoOPHT

Ophthotech Corp.

OPNT logoOPNT

OPIANT PHARMACEUTICALS, INC.

OPK logoOPK

Opko Health, Inc.

OPRT logoOPRT

Oportun Financial Corp

OPY logoOPY

OPPENHEIMER HOLDINGS INC

OPFI logoOPFI

OppFi Inc.

OPXS logoOPXS

Optex Systems Holdings Inc

OCC logoOCC

OPTICAL CABLE CORP

OPRX logoOPRX

OptimizeRx Corp

OPTU logoOPTU

Optimum Communications, Inc.

OPHC logoOPHC

OptimumBank Holdings, Inc.

OPTN logoOPTN

OptiNose, Inc.

BIOS logoBIOS

Option Care Health, Inc.

OPCH logoOPCH

Option Care Health, Inc.

IRD logoIRD

Opus Genetics, Inc.

ORCL logoORCL

ORACLE CORP

OGEN logoOGEN

ORAGENICS INC

ORMP logoORMP

ORAMED PHARMACEUTICALS INC.

OBT logoOBT

Orange County Bancorp, Inc. /DE/

OSUR logoOSUR

ORASURE TECHNOLOGIES INC

ORBC logoORBC

ORBCOMM Inc.

ORTX logoORTX

Orchard Therapeutics plc

OBIO logoOBIO

Orchestra BioMed Holdings, Inc.

ORC logoORC

Orchid Island Capital, Inc.

BPSR logoBPSR

Organicell Regenerative Medicine, Inc.

ORGO logoORGO

Organogenesis Holdings Inc.

OGN logoOGN

Organon & Co.

ONVO logoONVO

ORGANOVO HOLDINGS, INC.

ORIC logoORIC

Oric Pharmaceuticals, Inc.

OBNK logoOBNK

Origin Bancorp, Inc.

OBK logoOBK

Origin Bancorp, Inc.

ORGN logoORGN

Origin Materials, Inc.

N/A logoN/A

Origin Real Estate Credit Fund

OESX logoOESX

ORION ENERGY SYSTEMS, INC.

OEC logoOEC

Orion Engineered Carbons S.A.

ORN logoORN

Orion Group Holdings Inc

ONL logoONL

Orion Properties Inc.

ORIT logoORIT

Oritani Financial Corp

IX logoIX

ORIX CORP

ORA logoORA

ORMAT TECHNOLOGIES, INC.

ORRF logoORRF

ORRSTOWN FINANCIAL SERVICES INC

OFIX logoOFIX

Orthofix Medical Inc.

KIDS logoKIDS

ORTHOPEDIATRICS CORP

ORKA logoORKA

Oruka Therapeutics, Inc.

OSCR logoOSCR

Oscar Health, Inc.

OSK logoOSK

OSHKOSH CORP

OSIS logoOSIS

OSI SYSTEMS INC

OSIR logoOSIR

OSIRIS THERAPEUTICS, INC.

OSMT logoOSMT

Osmotica Pharmaceuticals plc

OTEL logoOTEL

OTELCO INC.

OTIS WI logoOTIS WI

Otis Worldwide Corp

OTIS logoOTIS

Otis Worldwide Corp

OTTW logoOTTW

Ottawa Bancorp Inc

OTTR logoOTTR

Otter Tail Corp

OUST logoOUST

Ouster, Inc.

POWW logoPOWW

Outdoor Holding Co

OUT logoOUT

OUTFRONT Media Inc.

OTLK logoOTLK

Outlook Therapeutics, Inc.

OM logoOM

Outset Medical, 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

OI logoOI

OWENS ILLINOIS INC /DE/

ORCC logoORCC

Owl Rock Capital Corp

NONE logoNONE

Owl Rock Technology Finance Corp.

OWLT logoOWLT

Owlet, Inc.

OXBR logoOXBR

OXBRIDGE RE HOLDINGS Ltd

OXFD logoOXFD

Oxford Immunotec Global PLC

OXM logoOXM

OXFORD INDUSTRIES INC

OXLC logoOXLC

Oxford Lane Capital Corp.

OXSQ logoOXSQ

Oxford Square Capital Corp.

OYST logoOYST

Oyster Point Pharma, Inc.