- $NXENexGen Energy Ltd.Uranium56
- $NXPINXP Semiconductors N.V.Semiconductors82
- $NXTNextpower Inc.Solar80
- $NXXTNextNRG Inc.Renewable Utilities31
- $NYTThe New York Times CompanyPublishing56
- $NYUKFNippon Yusen Kabushiki KaishaMarine Shipping
- $ORealty Income CorporationREIT - Retail329
- $OABIOmniAb, Inc.Biotechnology174
- $OBEObsidian Energy Ltd.Oil & Gas Exploration & Production40
- $OCCOptical Cable CorporationCommunication Equipment49
- $OCSOculis Holding AGBiotechnology84
- $OCTVOctave Intelligence plcSoftware - Application11
- $ODDOddity Tech Ltd.Household & Personal Products21
- $ODFLOld Dominion Freight Line, Inc.Trucking24
- $OESXOrion Energy Systems, Inc.Electrical Equipment & Parts106
- $OGEOGE Energy Corp.Regulated Electric7
- $OGNOrganon & Co.Drug Manufacturers - General240
- $OIHVanEck Oil Services ETF
- $OILSFSaturn Oil & Gas Inc.Oil & Gas Exploration & Production3
- $OKEONEOK, Inc.Oil & Gas Midstream36
- $OKLOOklo Inc.Independent Power Producers1,288
- $OKTAOkta, Inc.Software - Infrastructure199
- $OMCOmnicom Group Inc.Advertising Agencies30
- $OMCLOmnicell, Inc.Medical - Equipment & Services2
- $OMEROmeros CorporationBiotechnology14
- $OMVJFOMV AGOil & Gas Integrated
- $OMVKYOMV AGOil & Gas Integrated
- $ONON Semiconductor CorporationSemiconductors1,342
- $ONCBeOne Medicines AGBiotechnology42
- $ONDSOndas Holdings Inc.Communication Equipment4,214
- $ONONOn Holding AGApparel - Footwear & Accessories559
- $ONTOnterris, Inc.Waste Management83
- $ONTOOnto Innovation Inc.Semiconductors139
- $OPENOpendoor Technologies Inc.Real Estate - Services3,041
- $OPKOPKO Health, Inc.Biotechnology8
- $OPLNOPENLANE, Inc.Auto - Dealerships
- $OPRTOportun Financial CorporationFinancial - Credit Services29
- $OPTUOptimum Communications, Inc.Telecommunications Services13
- $OPTXSyntec Optics Holdings, Inc.Hardware, Equipment & Parts54
- $OROR Royalties Inc.Gold36
- $ORBSEightco Holdings Inc.Technology Distributors131
- $ORCLOracle CorporationSoftware - Infrastructure3,181
- $ORICORIC Pharmaceuticals, Inc.Biotechnology19
- $ORINFOrion OyjDrug Manufacturers - General
- $ORKAOruka Therapeutics, Inc.Biotechnology50
- $ORLYO'Reilly Automotive, Inc.Specialty Retail59
- $OSCROscar Health, Inc.Medical - Healthcare Plans2,334
- $OSCUFJapan Exchange Group, Inc.Financial - Data & Stock Exchanges
- $OSSOne Stop Systems, Inc.Computer Hardware217
- $OTEXOpen Text CorporationSoftware - Application20