| O2Micro International (NASDAQ:OIIM) | Computer and Technology | Semiconductors & related devices | N/A | N/A |
| Oak Ridge Financial Services (OTCMKTS:BKOR) | Finance | National commercial banks | N/A | N/A |
| Oak Valley Bancorp (NASDAQ:OVLY) | Finance | State commercial banks | N/A | N/A |
| Oakley Capital Investments (LON:OCI) | Financial Services | Asset Management | Buy | GBX 281 |
| Oaktree Capital Group LLC Unit (NYSE:OAK) | Finance | Investment advice | Hold | $45.33 |
| Oaktree Specialty Lending (NASDAQ:OCSL) | Finance | Personal credit institutions | Buy | $6.42 |
| Oaktree Strategic Income (NASDAQ:OCSI) | Finance | Investors, not elsewhere classified | N/A | N/A |
| Oasis Midstream Partners (NYSE:OMP) | Oils/Energy | Drilling oil & gas wells | Buy | $24.00 |
| Oasis Petroleum (NYSE:OAS) | Oils/Energy | Crude petroleum & natural gas | Hold | $6.81 |
| OASMIA PHARMACE/ADR (NASDAQ:OASM) | Medical | Pharmaceutical preparations | N/A | N/A |
| Obalon Therapeutics (NASDAQ:OBLN) | Medical | Surgical & medical instruments | Hold | $20.63 |
| Obayashi (OTCMKTS:OBYCF) | Construction | Construction - special trade contractors | N/A | N/A |
| Objective (ASX:OCL) | Computer and Technology | Software - Application | N/A | N/A |
| Obseva (NASDAQ:OBSV) | Medical | Pharmaceutical preparations | Buy | $28.67 |
| Obsidian Energy (NYSE:OBE) | Oils/Energy | Crude petroleum & natural gas | Hold | $0.93 |
| Obsidian Energy (TSE:OBE) | Energy | Oil & Gas E&P | Hold | C$1.18 |
| Oc Oerlikon Co. Pfaeffikon (OTCMKTS:OERLF) | Business Services | Private households | N/A | N/A |
| Ocado Group (LON:OCDO) | Services | Grocery Stores | Hold | GBX 1,175.45 |
| Ocado Group (OTCMKTS:OCDGF) | Retail Trade | Internet Retail | Sell | N/A |
| OCADO GRP PLC/S (OTCMKTS:OCDDY) | Retail/Wholesale | Private households | N/A | N/A |
| Occidental Petroleum (NYSE:OXY) | Oils/Energy | Crude petroleum & natural gas | Hold | $61.61 |
| Ocean Bio-Chem (NASDAQ:OBCI) | Consumer Staples | Polishes & sanitation goods | N/A | N/A |
| Ocean Power Technologies (NASDAQ:OPTT) | Oils/Energy | Electric services | N/A | N/A |
| Ocean Thermal Energy (OTCMKTS:CPWR) | Utilities | Utilities - Independent Power Producers | N/A | N/A |
| Ocean Wilsons (LON:OCN) | Industrials | Shipping & Ports | N/A | N/A |
| OceanaGold (TSE:OGC) | Basic Materials | Gold | Buy | C$5.16 |
| OceanaGold (OTCMKTS:OCANF) | Basic Materials | Gold | Buy | $5.25 |
| OceanaGold (ASX:OGC) | Basic Materials | Gold | N/A | N/A |
| Oceaneering International (NYSE:OII) | Oils/Energy | Oil & gas field services, not elsewhere classified | Hold | $18.20 |
| OceanFirst Financial (NASDAQ:OCFC) | Finance | Federal savings institutions | Hold | $25.90 |
| Och-Ziff Capital Management Group (NYSE:OZM) | Finance | Investment advice | Buy | $35.00 |
| Oconee Federal Financial (NASDAQ:OFED) | Finance | Federal savings institutions | N/A | N/A |
| Octagonal (LON:OCT) | Financial Services | Asset Management | N/A | N/A |
| Octopus Aim VCT 2 (LON:OSEC) | Financial Services | Asset Management | N/A | N/A |
| Octopus AIM VCT (LON:OOA) | | | N/A | N/A |
| Octopus Apollo VCT (LON:OAP3) | | | N/A | N/A |
| Octopus Titan VCT (LON:OTV2) | Financial Services | Asset Management | N/A | N/A |
| Ocugen (NASDAQ:OCGN) | Medical | Surgical appliances & supplies | N/A | N/A |
| Ocular Therapeutix (NASDAQ:OCUL) | Medical | Pharmaceutical preparations | Buy | $9.67 |
| Oculus VisionTech (NASDAQ:OVTZ) | Computer and Technology | Internet Content & Information | N/A | N/A |
| Ocwen Financial (NYSE:OCN) | Finance | Mortgage bankers & correspondents | Hold | $4.00 |
| Odonate Therapeutics (NASDAQ:ODT) | Medical | Pharmaceutical preparations | Buy | N/A |
| Odyssey Marine Exploration (NASDAQ:OMEX) | Transportation | Water transportation | N/A | N/A |
| Office Depot (NASDAQ:ODP) | Retail/Wholesale | Miscellaneous shopping goods stores | Hold | $2.60 |
| Office Properties Income Trust (NASDAQ:OPI) | Finance | Real estate | Hold | $26.33 |
| OFG Bancorp (NYSE:OFG) | Finance | State commercial banks | Buy | $28.00 |
| OFS Capital (NASDAQ:OFS) | Finance | Investors, not elsewhere classified | Buy | $13.50 |
| OFS Credit (NASDAQ:OCCI) | Finance | | N/A | N/A |
| OFX Group Ltd Fully Paid Ord. Shrs (ASX:OFX) | Industrials | Business Services | N/A | N/A |
| OGE Energy (NYSE:OGE) | Utilities | Electric services | Hold | $42.17 |
| OHA Investment (NASDAQ:OHAI) | Finance | Investors, not elsewhere classified | N/A | N/A |
| OHB (ETR:OHB) | Industrials | Aerospace & Defense | N/A | N/A |
| Ohio Valley Banc (NASDAQ:OVBC) | Finance | State commercial banks | N/A | N/A |
| OI S A/S (NYSE:OIBR.C) | Communication Services | Telecom Services | N/A | N/A |
| Oi SA em Recuperacao Judicial (OTCMKTS:OIBRQ) | Utilities | Telephone communication, except radio | N/A | N/A |
| Oil Search (ASX:OSH) | | Independent Oil & Gas | N/A | N/A |
| OIL SEARCH LTD/ADR (OTCMKTS:OISHY) | | Oil & Gas E&P | Hold | N/A |
| Oil States International (NYSE:OIS) | Oils/Energy | Oil & gas field machinery | Buy | $20.43 |
| Oil-Dri Co. of America (NYSE:ODC) | Basic Materials | Miscellaneous manufacturing industries | N/A | N/A |
| Oilex (LON:OEX) | Basic Materials | Independent Oil & Gas | N/A | N/A |
| OJSC OC ROSNEFT/S GDR REGS (OTCMKTS:OJSCY) | Energy | Oil & Gas Integrated | Buy | N/A |
| Oklo Resources (ASX:OKU) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Okta (NASDAQ:OKTA) | Computer and Technology | Prepackaged software | Buy | $130.83 |
| Old Dominion Freight Line (NASDAQ:ODFL) | Transportation | Trucking, except local | Hold | $173.09 |
| Old Line Bancshares, Inc. (MD) (NASDAQ:OLBK) | Finance | State commercial banks | Buy | $33.50 |
| Old Mutual (LON:OMU) | Financial Services | Asset Management | N/A | N/A |
| Old National Bancorp (NASDAQ:ONB) | Finance | National commercial banks | Hold | $19.00 |
| Old Point Financial (NASDAQ:OPOF) | Finance | National commercial banks | N/A | N/A |
| Old Republic International (NYSE:ORI) | Finance | Surety insurance | Buy | $26.00 |
| Old Second Bancorp (NASDAQ:OSBC) | Finance | State commercial banks | Buy | $14.00 |
| Oleeo (LON:OLEE) | Industrials | Staffing & Outsourcing Services | N/A | N/A |
| Olin (NYSE:OLN) | Basic Materials | Chemicals & allied products | Hold | $23.77 |
| Ollie's Bargain Outlet (NASDAQ:OLLI) | Consumer Staples | Variety stores | Buy | $78.09 |
| Olympia Financial Group (TSE:OLY) | Financial Services | Asset Management | N/A | N/A |
| Olympic Steel (NASDAQ:ZEUS) | Basic Materials | Metals service centers & offices | Buy | N/A |
| OLYMPUS CORP/S (OTCMKTS:OCPNY) | Medical | Structural clay products | Buy | N/A |
| OM (ASX:OMH) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Omagine (OTCMKTS:OMAG) | Finance | Real Estate Development | N/A | N/A |
| Omega Diagnostics Group (LON:ODX) | Medical | Medical Instruments & Supplies | N/A | N/A |
| Omega Flex (NASDAQ:OFLX) | Industrial Products | Heating equipment, except electric & warm air; & plumbing fixtures | N/A | N/A |
| Omega Healthcare Investors (NYSE:OHI) | Finance | Real estate investment trusts | Hold | $41.98 |
| Omeros (NASDAQ:OMER) | Medical | Pharmaceutical preparations | Buy | $27.75 |
| Omineca Mining And Metals (CVE:OMM) | | Industrial Metals & Minerals | N/A | N/A |
| Omni Bio Pharmaceutical (OTCMKTS:OMBP) | Medical | Biological products, except diagnostic | N/A | N/A |
| Omnicell (NASDAQ:OMCL) | Medical | Electronic computers | Buy | $83.29 |
| Omnicom Group (NYSE:OMC) | Business Services | Advertising agencies | Hold | $82.60 |
| OmniComm Systems (OTCMKTS:OMCM) | Medical | Business services, not elsewhere classified | N/A | N/A |
| Omni-Lite Industries Canada (OTCMKTS:OLNCF) | Industrial Products | Metal forgings & stampings | N/A | N/A |
| Omni-Lite Industries Canada (CVE:OML) | Industrials | Metal Fabrication | N/A | N/A |
| OmniTek Engineering (OTCMKTS:OMTK) | Industrial Products | Motor vehicle parts & accessories | N/A | N/A |
| OMNOVA Solutions (NYSE:OMN) | Basic Materials | Fabricated rubber products, not elsewhere classified | Hold | $9.96 |
| OMRON (OTCMKTS:OMRNY) | Computer and Technology | | Sell | N/A |
| OMV (OTCMKTS:OMVKY) | Energy | Oil & Gas Drilling | Buy | N/A |
| OMV (OTCMKTS:OMVJF) | Oils/Energy | Private households | N/A | N/A |
| On Deck Capital (NYSE:ONDK) | Finance | Nondepository credit institutions | Hold | $5.15 |
| ON Semiconductor (NASDAQ:ON) | Computer and Technology | Semiconductors & related devices | Buy | $25.79 |
| On The Beach Group (LON:OTB) | Consumer Cyclical | Leisure | Buy | GBX 525.83 |
| On Track Innovations (NASDAQ:OTIV) | Computer and Technology | Semiconductors & related devices | N/A | N/A |
| Oncimmune (LON:ONC) | Medical | Diagnostics & Research | N/A | N/A |
| OncoCyte (NYSEAMERICAN:OCX) | Medical | Biotechnology | Buy | $7.00 |
| OncoCyte (NASDAQ:OCX) | Medical | Biotechnology | Buy | N/A |
| Oncologix Tech (OTCMKTS:OCLG) | Medical | Surgical & medical instruments | N/A | N/A |
| Oncolytics Biotech (TSE:ONC) | Medical | Biotechnology | Buy | C$9.00 |
| Oncolytics Biotech (NASDAQ:ONCY) | Medical | Pharmaceutical preparations | Buy | $7.00 |
| Onconova Therapeutics (NASDAQ:ONTX) | Medical | Pharmaceutical preparations | Buy | $15.00 |
| OncoSec Medical (NASDAQ:ONCS) | Medical | Pharmaceutical preparations | Buy | $6.00 |
| Oncosil Medical (ASX:OSL) | Medical | Diagnostics & Research | N/A | N/A |
| Ondas (NASDAQ:ONDS) | Consumer Cyclical | Media - Diversified | N/A | N/A |
| ONE Gas (NYSE:OGS) | Utilities | Natural gas distribution | Hold | $89.67 |
| One Group Hospitality (NASDAQ:STKS) | Retail/Wholesale | Eating places | Buy | $4.50 |
| One Horizon Group (OTCMKTS:OHGI) | Computer and Technology | Telephone & telegraph apparatus | N/A | N/A |
| One Liberty Properties (NYSE:OLP) | Finance | Real estate investment trusts | Hold | $29.00 |
| One Media IP Group (LON:OMIP) | Consumer Cyclical | Media - Diversified | N/A | N/A |
| One Step Vending (OTCMKTS:KOSK) | Industrials | Business Services | N/A | N/A |
| One Stop Systems (NASDAQ:OSS) | Computer and Technology | Electronic computers | Buy | $3.75 |
| OneCap Investment (CVE:OIC) | Industrials | Conglomerates | N/A | N/A |
| Onelife Technologies (OTCMKTS:OLMM) | Electronic Technology | Computer Communications | N/A | N/A |
| OneMain (NYSE:OMF) | Finance | Personal credit institutions | Buy | $41.70 |
| ONEOK (NYSE:OKE) | Utilities | Gas transmission & distribution | Buy | $74.32 |
| OneSavings Bank (LON:OSB) | Financial Services | Banks - Regional - Europe | Buy | GBX 468.33 |
| OneSmart International Edun Gr (NYSE:ONE) | Consumer Discretionary | Educational services | Buy | N/A |
| OneSoft Solutions (OTCMKTS:OSSIF) | Technology Services | Information Technology Services | N/A | N/A |
| OneSoft Solutions (CVE:OSS) | Computer and Technology | Software - Application | N/A | N/A |
| Onespan (NASDAQ:OSPN) | Computer and Technology | Computer integrated systems design | Buy | $20.67 |
| Oneview Healthcare (ASX:ONE) | | Health Information Services | N/A | N/A |
| Onevue (ASX:OVH) | Financial Services | Asset Management | N/A | N/A |
| ONEX (TSE:ONEX) | Financial Services | Asset Management | Strong Buy | C$95.00 |
| ONEX (OTCMKTS:ONEXF) | Finance | Private households | N/A | N/A |
| Online Blockchain (LON:OBC) | Computer and Technology | Internet Content & Information | N/A | N/A |
| ONO PHARMACEUTI/ADR (OTCMKTS:OPHLY) | Health Technology | Pharmaceuticals: Other | Hold | N/A |
| Ono Pharmaceutical (OTCMKTS:OPHLF) | Medical | Pharmaceutical preparations | N/A | N/A |
| Ontex Group (OTCMKTS:ONXXF) | | | Hold | N/A |
| OnTheMarket (LON:OTMP) | Real Estate | Real Estate - General | N/A | GBX 302 |
| Onto Innovation (NASDAQ:ONTO) | Computer and Technology | Semiconductor Equipment & Materials | Buy | $47.00 |
| oOh!Media (ASX:OML) | Consumer Cyclical | Marketing Services | N/A | N/A |
| Ooma (NYSE:OOMA) | Computer and Technology | Data processing & preparation | Hold | $18.38 |
| Op Bancorp (OTCMKTS:OPBK) | | | Buy | N/A |
| OP Bancorp (NYSE:OPBK) | Financial Services | Banks - Regional - US | Buy | N/A |
| Opawica Explorations (CVE:OPW) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Open Text (TSE:OTEX) | Computer and Technology | Software - Application | Buy | C$52.33 |
| Open Text (NASDAQ:OTEX) | Computer and Technology | Computer integrated systems design | Buy | $47.88 |
| Opera (NASDAQ:OPRA) | Computer and Technology | Prepackaged software | Buy | $17.33 |
| Opes Acquisition (NASDAQ:OPES) | Unclassified | Holding & other investment offices | N/A | N/A |
| Opes Acquisition Corp. Units (OTCMKTS:OPESU) | Industrials | Conglomerates | N/A | N/A |
| OPG Power Ventures (LON:OPG) | Utilities | Electric Utilities | N/A | N/A |
| OpGen (NASDAQ:OPGN) | Medical | Medical laboratories | Buy | $7.93 |
| Opiant Pharmaceuticals (NASDAQ:OPNT) | Medical | Metal mining | Buy | $42.00 |
| Opko Health (NASDAQ:OPK) | Medical | Pharmaceutical preparations | Buy | $4.00 |
| Oportun Financial (NASDAQ:OPRT) | Finance | Nondepository credit institutions | Buy | $19.83 |
| Oppenheimer (NYSE:OPY) | Finance | Security brokers & dealers | N/A | N/A |
| Opsens (TSE:OPS) | Computer and Technology | Scientific & Technical Instruments | Buy | N/A |
| Opsens (OTCMKTS:OPSSF) | Computer and Technology | Scientific & Technical Instruments | N/A | N/A |
| Optex Systems Hldg InCorp (OTCMKTS:OPXS) | Aerospace | Optical instruments & lenses | N/A | N/A |
| Opthea (ASX:OPT) | Medical | Drug Manufacturers - Major | N/A | N/A |
| Optibase (NASDAQ:OBAS) | Finance | Real estate | N/A | N/A |
| OptiBiotix Health (LON:OPTI) | Medical | Biotechnology | N/A | N/A |
| Optical Cable (NASDAQ:OCC) | Computer and Technology | Nonferrous wiredrawing & insulating | N/A | N/A |
| Opticomm (ASX:OPC) | Communication Services | Telecom Services | N/A | N/A |
| OptimizeRx (NASDAQ:OPRX) | Computer and Technology | Business services, not elsewhere classified | Buy | $21.00 |
| OptimumBank (NASDAQ:OPHC) | Finance | National commercial banks | N/A | N/A |
| OptiNose (NASDAQ:OPTN) | Medical | Pharmaceutical preparations | Buy | $25.00 |
| Optiscan Imaging (ASX:OIL) | Computer and Technology | Scientific & Technical Instruments | N/A | N/A |
| Optiva (OTCMKTS:RKNEF) | Computer and Technology | Software - Infrastructure | N/A | N/A |
| Opus Bank (NASDAQ:OPB) | Finance | Commercial banks, not elsewhere classified | Buy | $24.00 |
| Opus One Resources (CVE:OOR) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| OR BANCORP INC/SH (OTCMKTS:ORBN) | Finance | Regional - Pacific Banks | N/A | N/A |
| Ora Banda Mining (ASX:OBM) | Basic Materials | Gold | N/A | N/A |
| Ora Gold (ASX:OAU) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Oracle (NYSE:ORCL) | Computer and Technology | Prepackaged software | Hold | $56.60 |
| Oracle Power (LON:ORCP) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Oragenics (NYSEAMERICAN:OGEN) | Medical | Biotechnology | Buy | $2.00 |
| Oragenics (NASDAQ:OGEN) | Medical | Biotechnology | Buy | N/A |
| Oramed Pharmaceuticals (NASDAQ:ORMP) | Medical | Pharmaceutical preparations | Buy | $13.50 |
| Oranco (OTCMKTS:ORNC) | Industrials | Conglomerates | N/A | N/A |
| Orange (EPA:ORA) | Communication Services | Telecom Services | Buy | €16.48 |
| Orange (NYSE:ORAN) | Computer and Technology | Telephone communication, except radio | Buy | N/A |
| OraSure Technologies (NASDAQ:OSUR) | Medical | Surgical & medical instruments | Hold | $7.00 |
| ORBCOMM (NASDAQ:ORBC) | Computer and Technology | Communication services, not elsewhere classified | Buy | $8.75 |
| Orbit International (OTCMKTS:ORBT) | Computer and Technology | Electronic components, not elsewhere classified | N/A | N/A |
| Orbital (ASX:OEC) | Industrials | Aerospace & Defense | N/A | N/A |
| Orbite Technologies (OTCMKTS:EORBF) | Basic Materials | Gold ores | N/A | N/A |
| Orca Exploration Group (CVE:ORC.B) | Energy | Oil & Gas E&P | N/A | N/A |
| Orca Gold (CVE:ORG) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Orchard Funding Group (LON:ORCH) | Financial Services | Credit Services | Buy | GBX 119 |
| Orchard Therapeutics (NASDAQ:ORTX) | Medical | Biological products, except diagnostic | Buy | $25.29 |
| Orchid Island Capital (NYSE:ORC) | Finance | Real estate investment trusts | N/A | N/A |
| Orcoda (ASX:ODA) | Computer and Technology | Software - Application | N/A | N/A |
| O'Reilly Automotive (NASDAQ:ORLY) | Retail/Wholesale | Auto & home supply stores | Hold | $494.14 |
| Orex Minerals (CVE:REX) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Orezone Gold (CVE:ORE) | Basic Materials | Gold | Buy | C$1.18 |
| Orezone Gold (OTCMKTS:ORZCF) | Basic Materials | Gold | N/A | N/A |
| Organicell Regenerative Medicine (OTCMKTS:BPSR) | Medical | Biotechnology | N/A | N/A |
| OrganiGram (NASDAQ:OGI) | Medical | Pharmaceutical preparations | Buy | $10.96 |
| ORGANIGRAM-TS (TSE:OGI) | Medical | Drug Manufacturers - Specialty & Generic | Buy | N/A |
| Organogenesis (NASDAQ:ORGO) | Medical | Pharmaceutical preparations | Buy | $10.80 |
| Organovo (NASDAQ:ONVO) | Medical | Biological products, except diagnostic | Hold | $2.50 |
| Organto Foods (CVE:OGO) | Consumer Defensive | Farm Products | N/A | N/A |
| Orgenesis (OTCMKTS:ORGS) | | | Buy | $9.00 |
| Orgenesis (NYSE:ORGS) | Medical | Biotechnology | Buy | N/A |
| Orica (OTCMKTS:OCLDF) | Basic Materials | Specialty Chemicals | Hold | N/A |
| Orica (ASX:ORI) | Basic Materials | Specialty Chemicals | N/A | N/A |
| ORIENT OVS INTL/ADR (OTCMKTS:OROVY) | Transportation | Private households | N/A | N/A |
| ORIENTAL LD CO/ADR (OTCMKTS:OLCLY) | Consumer Discretionary | Private households | Buy | N/A |
| Origen Financial (OTCMKTS:ORGN) | Finance | Real estate investment trusts | N/A | N/A |
| Origin Agritech (NASDAQ:SEED) | Consumer Staples | Agricultural production - crops | N/A | N/A |
| Origin Bancorp (NASDAQ:OBNK) | Finance | State commercial banks | Buy | $38.00 |
| Origin Energy (OTCMKTS:OGFGY) | Energy | Oil & Gas Integrated | Hold | N/A |
| Origin Energy (ASX:ORG) | Energy | Oil & Gas Integrated | N/A | N/A |
| Origin Enterprises (LON:OGN) | Consumer Goods | Farm Products | Buy | N/A |
| OriginClear (OTCMKTS:OCLN) | Industrial Products | Industrial organic chemicals | N/A | N/A |
| Origo Partners (LON:OPP) | Financial Services | Asset Management | N/A | N/A |
| Oriole Resources (LON:ORR) | Basic Materials | Gold | N/A | N/A |
| Orion Energy Systems (NASDAQ:OESX) | Construction | Electric lighting & wiring equipment | Buy | $3.83 |
| Orion Engineered Carbons (NYSE:OEC) | Basic Materials | Miscellaneous chemical products | Buy | $20.75 |
| Orion Group (NYSE:ORN) | Construction | Heavy construction, except building construction - contractors | Buy | $6.65 |
| Orion Minerals (ASX:ORN) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| ORION OYJ/ADR (OTCMKTS:ORINY) | Medical | Private households | N/A | N/A |
| Orisun Acquisition (OTCMKTS:ORSNU) | Industrials | Conglomerates | | N/A |
| Oritani Financial (NASDAQ:ORIT) | Finance | State commercial banks | Buy | $19.00 |
| ORIX (NYSE:IX) | Finance | Miscellaneous business credit | N/A | N/A |
| Orkla ASA (OTCMKTS:ORKLY) | Multi-Sector Conglomerates | Private households | N/A | N/A |
| Ormat Technologies (NYSE:ORA) | Oils/Energy | Electric services | Hold | $71.75 |
| Ormonde Mining (LON:ORM) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Oro Verde (ASX:OVL) | Basic Materials | Gold | N/A | N/A |
| Oroco Resource (CVE:OCO) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Orocobre (ASX:ORE) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Orocobre (OTCMKTS:OROCF) | Basic Materials | Private households | N/A | N/A |
| Orocobre (TSE:ORL) | Basic Materials | Industrial Metals & Minerals | N/A | C$5.80 |
| Oroplata Resources (OTCMKTS:ABML) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Orora (ASX:ORA) | Consumer Goods | Packaging & Containers | N/A | N/A |
| Orora (OTCMKTS:ORRAF) | Consumer Cyclical | Packaging & Containers | Buy | N/A |
| Orosur Mining (OTCMKTS:OROXF) | Basic Materials | Private households | N/A | N/A |
| Orosur Mining (TSE:OMI) | Basic Materials | Medical Equipment Wholesale | N/A | N/A |
| Orosur Mining (LON:OMI) | Basic Materials | Gold | N/A | N/A |
| Orrstown Financial Services (NASDAQ:ORRF) | Finance | State commercial banks | Buy | $23.25 |
| Orsu Metals (CVE:OSU) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Orthocell (ASX:OCC) | Medical | Biotechnology | N/A | N/A |
| Orthofix Medical (NASDAQ:OFIX) | Medical | Surgical & medical instruments | Hold | $48.00 |
| Orthopediatrics (NASDAQ:KIDS) | Medical | Surgical & medical instruments | Buy | $46.25 |
| Orvana Minerals (OTCMKTS:ORVMF) | Non-Energy Minerals | Precious Metals | N/A | N/A |
| Orvana Minerals (TSE:ORV) | Basic Materials | Industrial Metals & Minerals | N/A | N/A |
| Oryx International Growth Fund (LON:OIG) | | | N/A | N/A |
| Oryx Petroleum (TSE:OXC) | Basic Materials | Independent Oil & Gas | N/A | N/A |
| Oshkosh (NYSE:OSK) | Auto/Tires/Trucks | Motor vehicles & car bodies | Buy | $88.56 |
| OSI Systems (NASDAQ:OSIS) | Computer and Technology | Semiconductors & related devices | Buy | $110.33 |
| Osirium Technologies (LON:OSI) | Computer and Technology | Software - Infrastructure | N/A | N/A |
| Osisko gold royalties (TSE:OR) | Basic Materials | Gold | Hold | C$17.56 |
| Osisko gold royalties (NYSE:OR) | Basic Materials | Gold & silver ores | Hold | $16.63 |
| Osisko Metals (CVE:OM) | Basic Materials | Gold | N/A | N/A |
| Osisko Mining (TSE:OSK) | Basic Materials | Industrial Metals & Minerals | Buy | C$6.32 |
| Osmotica Pharmaceuticals (NASDAQ:OSMT) | Medical | Pharmaceutical preparations | Buy | $13.00 |
| Osprey Medical (ASX:OSP) | Medical | Medical Devices | N/A | N/A |
| Osram Licht (ETR:OSR) | Computer and Technology | Electronic Components | N/A | N/A |
| Osram Licht (FRA:OSR) | Computer and Technology | Electronic Components | Hold | €36.78 |
| Osram Licht (OTCMKTS:OSAGF) | Computer and Technology | Private households | Hold | N/A |
| Ossen Innovation (NASDAQ:OSN) | Construction | Blast furnaces & steel mills | N/A | N/A |
| OTC Markets Group (OTCMKTS:OTCM) | Finance | Security & commodity brokers, dealers, exchanges & services | N/A | N/A |
| OTCMKTS:CRTPF (OTCMKTS:CRTPF) | | | | N/A |
| OTCMKTS:DXBRF (OTCMKTS:DXBRF) | | | N/A | N/A |
| OTCMKTS:EMBI (OTCMKTS:EMBI) | Medical | Pharmaceutical preparations | N/A | N/A |
| OTCMKTS:LLNKF (OTCMKTS:LLNKF) | | | N/A | N/A |
| OTCMKTS:PROSY (OTCMKTS:PROSY) | | | Buy | N/A |
| OTCMKTS:TLLTF (OTCMKTS:TLLTF) | | | N/A | N/A |
| OTCMKTS:VSQTF (OTCMKTS:VSQTF) | | | N/A | N/A |
| OTCMKTS:WDEXF (OTCMKTS:WDEXF) | | | N/A | N/A |
| Otelco (NASDAQ:OTEL) | Computer and Technology | Telephone communication, except radio | N/A | N/A |
| Otis Gold (CVE:OOO) | Basic Materials | Gold | N/A | N/A |
| Otonomy (NASDAQ:OTIC) | Medical | Pharmaceutical preparations | Buy | $6.50 |
| Otsuka (OTCMKTS:OTSKF) | Health Technology | Pharmaceuticals: Other | N/A | N/A |
| OTSUKA HOLDINGS/ADR (OTCMKTS:OTSKY) | Medical | Drug Manufacturers - Major | Hold | N/A |
| Ottawa Savings Bancorp (NASDAQ:OTTW) | Finance | Federal savings institutions | N/A | N/A |
| Otter Tail (NASDAQ:OTTR) | Utilities | Electric services | Hold | $54.00 |
| Otto Energy (ASX:OEL) | Basic Materials | Independent Oil & Gas | N/A | N/A |
| Outfront Media (NYSE:OUT) | Finance | Real estate investment trusts | Buy | $27.26 |
| Outlook Therapeutics (NASDAQ:OTLK) | Medical | Biological products, except diagnostic | Buy | $9.00 |
| OUTOKUMPU OYJ/ADR (OTCMKTS:OUTKY) | Basic Materials | Private households | Buy | N/A |
| Ovato (ASX:OVT) | Industrials | Business Services | N/A | N/A |
| Over The Wire (ASX:OTW) | Communication Services | Telecom Services | N/A | N/A |
| OVERSEA-CHINESE/ADR (OTCMKTS:OVCHY) | Finance | Commercial banks, not elsewhere classified | Buy | N/A |
| Overseas Shipholding Group (NYSE:OSG) | Transportation | Deep sea foreign transportation of freight | N/A | N/A |
| Overstock.com (NASDAQ:OSTK) | Retail/Wholesale | Catalog & mail-order houses | Buy | $44.00 |
| Ovid Therapeutics (NASDAQ:OVID) | Medical | Pharmaceutical preparations | Buy | $14.00 |
| Ovoca Bio (LON:OVB) | Medical | Biotechnology | N/A | N/A |
| OWC Pharmaceutical Research (OTCMKTS:OWCP) | Miscellaneous | Miscellaneous | N/A | N/A |
| Owens & Minor (NYSE:OMI) | Medical | Medical & hospital equipment | Hold | $6.88 |
| Owens Corning (NYSE:OC) | Construction | Abrasive, asbestos, & miscellaneous nonmetallic mineral products | Buy | $61.05 |
| Owens-Illinois (NYSE:OI) | Industrial Products | Glass containers | Hold | $14.25 |
| Owl Rock Capital (NYSE:ORCC) | Finance | | Hold | $16.72 |
| Oxbridge Re (NASDAQ:OXBR) | Finance | Fire, marine, & casualty insurance | N/A | N/A |
| Oxford Biodynamics (LON:OBD) | Medical | Biotechnology | N/A | N/A |
| Oxford BioMedica (LON:OXB) | Medical | Biotechnology | Buy | GBX 810 |
| Oxford BioMedica (OTCMKTS:OXBDF) | Medical | Private households | Buy | $14.50 |
| Oxford Immunotec Global (NASDAQ:OXFD) | Medical | Diagnostic substances | Buy | $20.00 |
| Oxford Industries (NYSE:OXM) | Consumer Discretionary | Mens' & boy's furnishings, work clothing, & allied garments | Buy | $81.00 |
| Oxford Instruments (LON:OXIG) | Computer and Technology | Semiconductor Equipment & Materials | Buy | GBX 1,282.50 |
| Oxford Instruments (OTCMKTS:OXINF) | Computer and Technology | Measuring & controlling devices, not elsewhere classified | N/A | N/A |
| Oxford Lane Capital (NASDAQ:OXLC) | | Asset Management | N/A | N/A |
| Oxford Metrics (LON:OMG) | Computer and Technology | Technical & System Software | N/A | N/A |
| Oxford Square Capital (NASDAQ:OXSQ) | Finance | Investment offices, not elsewhere classified | Sell | $5.00 |
| Oxford Technology 2 Venture Capital (LON:OXH) | | | N/A | N/A |
| Oxford Technology 3 VCT (LON:OTT) | | | N/A | N/A |
| Oxford Technology Venture Capital Trust (LON:OXT) | | | N/A | N/A |
| Oxford Tecnology 4 VCT (LON:OXF) | | | N/A | N/A |
| Oyster Point Pharma (NASDAQ:OYST) | Medical | | N/A | N/A |
| OZ Minerals (OTCMKTS:OZMLF) | Basic Materials | Copper | Hold | N/A |
| OZ Minerals (ASX:OZL) | Basic Materials | Copper | N/A | N/A |
