| NXH | Neighborhood Intelligence, Inc. - Common Stock | | |
| NXL | Nexalin Technology, Inc. - Common Stock | D | |
| NXPI | NXP Semiconductors N.V. - Common Stock | | SP500 |
| NXPL | NextPlat Corp - Common Stock | | |
| NXST | Nexstar Media Group, Inc. - Common Stock | | |
| NXT | Nextpower Inc. - Common Stock | | |
| NXTC | NextCure, Inc. - Common Stock | | |
| NXTS | Nexentis Technologies Inc. - Common Stock | D | |
| NXTT | Next Technology Holding Inc. - Ordinary Shares | | |
| NXXT | NextNRG, Inc. - Common Stock | D | |
| NYAX | Nayax Ltd. - Ordinary Shares | | |
| NYXH | Nyxoah SA - Ordinary Shares | | |
| OABI | OmniAb, Inc. - Common Stock | | |
| OABIW | OmniAb, Inc. - Warrant | | |
| OACC | Oaktree Acquisition Corp. III Life Sciences - Class A Ordinary Share | | |
| OACCU | Oaktree Acquisition Corp. III Life Sciences - Unit | | |
| OACCW | Oaktree Acquisition Corp. III Life Sciences - Warrant | | |
| OBA | Oxley Bridge Acquisition Limited - Class A Ordinary Shares | | |
| OBAI | Our Bond, Inc. - Common Stock | D | |
| OBAWU | Oxley Bridge Acquisition Limited - Unit | | |
| OBAWW | Oxley Bridge Acquisition Limited - Warrants | | |
| OBIO | Orchestra BioMed Holdings, Inc. - Ordinary Shares | | |
| OBT | Orange County Bancorp, Inc. - Common Stock | | |
| OBX | Obsidian Therapeutics, Inc. - Common Stock | | |
| OCC | Optical Cable Corporation - Common Stock | | |
| OCCI | OFS Credit Company, Inc. - Closed End Fund | | |
| OCCIM | OFS Credit Company, Inc. - 7.875% Series F Term Preferred Stock | | |
| OCCIN | OFS Credit Company, Inc. - 5.25% Series E Term Preferred Stock Due 2026 | | |
| OCFC | OceanFirst Financial Corp. - Common Stock | | |
| OCG | Oriental Culture Holding LTD - Ordinary Shares | | |
| OCGN | Ocugen, Inc. - Common Stock | | |
| OCLT | OceanLight Acquisition Corporation - Ordinary Shares | | |
| OCLTR | OceanLight Acquisition Corporation - Rights | | |
| OCLTU | OceanLight Acquisition Corporation - Units | | |
| OCLTW | OceanLight Acquisition Corporation - Warrants | | |
| OCS | Oculis Holding AG - Ordinary shares | | |
| OCSAW | Oculis Holding AG - Warrants | | |
| OCSL | Oaktree Specialty Lending Corporation - Closed End Fund | | |
| OCTV | Octave Intelligence plc - Class B Ordinary Shares | | |
| OCUL | Ocular Therapeutix, Inc. - Common Stock | | |
| ODD | ODDITY Tech Ltd. - Class A Ordinary Shares | | |
| ODFL | Old Dominion Freight Line, Inc. - Common Stock | | SP500 |
| ODTX | Odyssey Therapeutics, Inc. - Common Stock | | |
| ODYS | Odysight.ai Inc. - Common Stock | | |
| OESX | Orion Energy Systems, Inc. - Common Stock | | |
| OFAL | OFA Group - Class A Ordinary Shares | D | |
| OFIX | Orthofix Medical Inc. - Common Stock | | |
| OFLX | Omega Flex, Inc. - Common Stock | | |
| OFS | OFS Capital Corporation - Closed End Fund | | |
| OFSSH | OFS Capital Corporation - 4.95% Notes due 2028 | | |