- OneSource SpecialtyPublic$1.9B
- OneSpaWorldPublic$3.1B
- OneStreamPrivate$6.4B
- OneTeam PartnersPrivate$1.9B
- Onetech GroupPublic$249M
- OneTrustPrivate$4.5B
- Oneview HealthcarePublic$73M
- OneWater MarinePublic$160M
- OneWebPrivate$3.4B
- OnexPublic$5.9B
- ONGCPublic$31B
- ONIPrivate-
- Onity GroupPublic$259M
- ONL TherapeuticsPrivate-
- Online Brands NordicPublic$55M
- OnlyFansPrivate$3.1B
- OnMobile GlobalPublic$60M
- onsemiPublic$25B
- OnterrisPublic$770M
- Ontex GroupPublic$135M
- OnticPrivate$23M
- OntoPrivate-
- Onto InnovationPublic$8.5B
- OntraPrivate-
- Onur Yüksek TeknolojiPublic$40M
- onxMapsPrivate-
- Onyx HealthcarePublic$106M
- Onyx SecurityPrivate$640M
- oOh mediaPublic$612M
- OomaPublic$497M
- OoredooPublic$2.7B
- Ooredoo OmanPublic$527M
- Ooredoo PalestinePublic$389M
- Ooredoo QatarPublic$11B
- OP BancorpPublic$220M
- Opal Balance InvestmentsPublic$95M
- OPAL FuelsPublic$44M
- OPAPPrivate$17B
- OPayPrivate$2.8B
- OPC EnergyPublic$8.4B
- Open BluePrivate-
- Open Co (Brazil)Private-
- Open CosmosPrivate$1B
- Open FiberPrivate$8.4B
- Open Financial TechnologiesPrivate$1B
- Open Source ChinaPrivate-
- Open TextPublic$6.1B
- OpenAIPrivate$852B
- OpenClassroomsPrivate-
- OpenDoor Inc.Public$77M
- OpenEvidencePrivate$12B
- OpenFXPrivate$500M
- OpenGovPrivate$1.8B
- OpenlyPrivate-
- OpenRouterPrivate$7B
- OpenSeaPrivate$1.4B
- OpenSpacePrivate$913M
- OpenStorePrivate$970M
- OpentronsPrivate$1.8B
- OpenWebPrivate$1.5B
- OpenWorkPublic$117M
- OperaPublic$1.3B
- Opera SolutionsPrivate$462M
- OpGenPublic$85M
- Ophir High ConvictionPublic$358M
- OPKO HealthPublic$1.3B
- OPmobilityPublic$1.5B
- OpnPrivate$1B
- OponeoPublic$293M
- OportunPublic$521M
- OPPEINPublic$2.9B
- Oppenheimer HoldingsPublic$972M
- OppFiPublic$523M
- Opportunity FIIPublic$743M
- OpryPrivate$1.4B
- Opsy HoldingPublic$12M
- Optare SolutionsPublic$25M
- OptasiaPublic$1.2B
- OPTeamPublic$11M
- Optex Group CoPublic$621M
- Optex SystemsPublic$57M
- OptibusPrivate$1.3B
- Optical CablePublic$83M
- OptiCept TechnologiesPublic$16M
- Optiemus InfracomPublic$714M
- OptimPublic$149M
- Optima bankPublic$3.5B
- Optima HealthPublic$360M
- Optimal BluePrivate$700M
- OptimismPrivate$1.6B
- OptimizelyPrivate$600M
- OptimizeRxPublic$165M
- Optimum CommunicationsPublic$287M
- Optimus GroupPublic$130M
- Option Care HealthPublic$4.7B
- Optiscan ImagingPublic$120M
- OptomedPublic$42M
- Opus GeneticsPublic$348M
- Opus GlobalPublic$337M
- OQPublic$9.2B
- OQ Base IndustriesPublic$2.1B
- OQ Gas NetworksPublic$2.4B
- OR RoyaltiesPublic$6.8B
- Ora Banda MiningPublic$1.9B
- OraclePublic$362B
- Oracle Corp JapanPublic$7.7B
- Oracle Financial ServicesPublic$9.5B
- OradPublic$54M
- Oramed PharmaceuticalsPublic$161M
- OrangePublic$45B
- Orange BelgiumPublic$1.7B
- Orange Côte d’IvoirePublic$4.6B
- Orange & Morrison (JV)Private$3.4B
- Orange PolskaPublic$5.5B
- Orano MedPrivate$2.2B
- Orascom ConstructionPublic$1.6B
- Orasis PharmaceuticalsPrivate-
- OraSurePublic$237M
- OratomicPrivate$5.4B
- OrbbecPublic$6.8B
- OrbemPrivate-
- Orbex SpacePrivate-
- OrbiaPublic$2.3B
- OrbisPublic$51M
- Orbis MedicinesPrivate-
- Orbita AerospacePublic$1.1B
- Orbital CorpPublic$14M
- Orbital TherapeuticsPrivate$1.5B
- OrbsPrivate-
- OrbusNeich Medical GroupPublic$388M
- OrbyPrivate$2.5B
- Orca AIPrivate-
- Orca BioPrivate$1B
- Orca SecurityPrivate$1.8B
- OrCam TechnologiesPrivate$1B
- OrchardPrivate$1B
- Orchard Funding GroupPublic$22M
- Orchestra BioMedPublic$349M
- Orchestra HoldingsPublic$117M
- Orchid Island CapitalPublic$953M
- Orchid PharmaPublic$467M
- OrdergroovePrivate-
- OregePublic$16M
- Oregon Pacific BancorpPublic$92M
- O'Reilly Auto PartsPublic$72B
- Orell FussliPublic$338M
- Organic Farma ZdrowiaPublic$14M
- OrganoPublic$2.3B
- OrganogenesisPublic$106M
- OrganonPublic$3.6B
- OrganOxPrivate$1.5B
- Örge EnerjiPublic$156M
- Ori BiotechPrivate-
- Orian SH.M.Public$134M
- Oriana PowerPublic$257M
- ORIC PharmaceuticalsPublic$914M
- OricaPublic$7.2B
- Oricell TherapeuticsPrivate-
- OrienspacePrivate$823M
- OrientPublic$837M
- Orient Cables IndiaPublic$409M
- Orient CementPublic$275M
- Orient CommercialPublic$1.3B
- Orient ElectricPublic$452M
- Orient Europharma CoPublic$112M
- Oriental AromaticsPublic$177M
- Oriental Kopi HoldingsPublic$419M
- Oriental LandPublic$37B
- Oriental QiyinPrivate-
- OrientePrivate$400M
- Origin BancorpPublic$1.6B
- Origin EnergyPublic$14B
- Origin EnterprisesPublic$474M
- Origin QuantumPrivate$3.5B
- OriginCellPrivate-
- Órigo EnergiaPrivate$816M
- Orilina Properties RealPublic$144M
- Orinoquia Real EstatePublic$23M
- OriolaPublic$162M
- OrionPublic$16B
- Orion Group HoldingsPublic$294M
- Orion HoldingsPublic$1.1B
- Orion MineralsPublic$137M
- Orion SAPublic$224M
- Orion (Spin Co)Public$3.5B
- Orion180 InsurancePublic$888M
- OriorPublic$98M
- ORIXPublic$37B
- OrizonPublic$1.8B
- Orizon AerostructuresPrivate$2B
- OrklaPublic$10B
- Orkla IndiaPublic$827M
- Orla MiningPrivate$5.1B
- OrlenPublic$38B
- ORMAPublic$71M
- OrmatPublic$5.7B
- Orna TherapeuticsPrivate$2.4B
- OrnikarPrivate$750M
- oRo Co.Public$175M
- ORO LabsPrivate-
- Oron Group Investments & HoldingsPublic$630M
- OroraPublic$1.3B
- OrphazymePrivate-
- Orron EnergyPublic$243M
- Orrstown Financial ServicesPublic$862M
- OrseroPublic$273M
- OrsoBioPrivate-
- OrthexPublic$90M
- Orthofix MedicalPublic$321M
- OrthoPediatricsPublic$829M
- OrtivusPublic$10M
- OrtomaPublic$32M
- Oruka TherapeuticsPublic$6.8B
- OrviboPrivate-
- Orygen PeruPublic$2.1B
- OrzaxPublic$329M
- Orzel BialyPublic$173M
- Osaka GasPublic$13B
- Osang HealthcarePublic$50M
- osapiensPrivate$1B
- Oscar HealthPublic$9.5B
- OscotecPublic$1B
- OSF DigitalPrivate-
- OSGPublic$1.7B
- Oshi HealthPrivate-
- OshkoshPublic$8.2B
- OSI SystemsPublic$3.1B
- OSL GroupPublic$1.2B
- Osler DiagnosticsPrivate$89M
- Osmanlı YatırımPublic$38M
- OsmoPrivate-
- Osmond ResourcesPublic$79M
- OsotspaPublic$1.7B
- OssDsignPublic$43M
- Ossium HealthPrivate$315M
- Osso VRPrivate-
- Osteal TherapeuticsPrivate-
- Ostendo TechnologiesPrivate-
- OSTİM Endüstriyel YatırımlarPublic$17M
- OSTTRAPrivate$3.1B
- Oswal PumpsPublic$278M
- OT LogisticsPublic$51M
- OTC MarketsPublic$628M
- OTEPublic$8.2B
- Othaim MarketsPublic$934M
- OtisPublic$30B
- Otmuchów GroupPublic$35M
- OtofarmaPublic$14M
- OtokarPublic$734M
- OtovoPublic$75M




