| OE Okeanis Eco Tankers Corp. | ECO | Industrials |
| OK Oklo Inc. | OKLO | Utilities |
| OR Old Republic International Corp | ORI | Financial services |
| OL Olin Corporation | OLN | Basic materials |
| OH Omega Healthcare Investors Inc | OHI | Real estate |
| OG Omnicom Group Inc | OMC | Communication services |
| ON ON24 Inc | ONTF | Technology |
| OH OneMain Holdings Inc | OMF | Financial services |
| ON ONEOK Inc | OKE | Energy |
| OG One Gas Inc | OGS | Utilities |
| OL One Liberty Properties Inc | OLP | Real estate |
| OI Onto Innovation Inc | ONTO | Technology |
| OH On Holding Ltd | ONON | Consumer cyclical |
| OO Ooma Inc | OOMA | Technology |
| OH Oppenheimer Holdings Inc | OPY | Financial services |
| OP OppFi Inc | OPFI | Financial services |
| OH OptimumBank Holdings, Inc. | OPHC | Financial services |
| OR Oracle Corporation | ORCL | Technology |
| OR Oragenics Inc | OGEN | Healthcare |
| OI Orchid Island Capital Inc. | ORC | Real estate |
| O& Organon & Co | OGN | Healthcare |
| OB Origin Bancorp, Inc. | OBK | Financial services |
| OE Orion Engineered Carbons SA | OEC | Basic materials |
| OG Orion Group Holdings Inc | ORN | Industrials |
| OO Orion Office Reit Inc | ONL | Real estate |
| OA Orix Corp Ads | IX | Financial services |
| OT Ormat Technologies Inc | ORA | Utilities |
| OH Oscar Health Inc | OSCR | Healthcare |
| OS Oshkosh Corporation | OSK | Industrials |
| OT OS Therapies Incorporated | OSTX | Healthcare |
| OW Otis Worldwide Corp | OTIS | Industrials |
| OM Outfront Media Inc | OUT | Real estate |
| OV Ovintiv Inc | OVV | Energy |
| OC Owens Corning Inc | OC | Industrials |
| O& Owens & Minor Inc | OMI | Healthcare |
| OW Owlet Inc | OWLT | Healthcare |
| OI Oxford Industries Inc | OXM | Consumer cyclical |
| OG O-I Glass Inc | OI | Consumer cyclical |
| P1 P10 Inc | PX | Financial services |
| PO Packaging Corp of America | PKG | Consumer cyclical |
| PG PACS Group, Inc. | PACS | Healthcare |
| PA Pagerduty Inc | PD | Technology |
| PD PagSeguro Digital Ltd | PAGS | Technology |
| PS Palmer Square Capital BDC Inc. | PSBD | Financial services |
| PE Pampa Energia SA ADR | PAM | Industrials |
| PG Paramount Gold Nevada Corp | PZG | Basic materials |
| PG Paramount Group Inc | PGRE | Real estate |
| PA Parker-Hannifin Corporation | PH | Industrials |
| PA Park Aerospace Corp | PKE | Industrials |
| PH Park Hotels & Resorts Inc | PK | Real estate |
| PN Park National Corporation | PRK | Financial services |
| PA Parsons Corp | PSN | Technology |
| PP Par Pacific Holdings Inc | PARR | Energy |
| PT PAR Technology Corporation | PAR | Technology |
| PS Paycom Software, Inc. | PAYC | Technology |
| PA Paysafe Ltd | PSFE | Technology |
| PE PBF Energy Inc | PBF | Energy |
| PE Peabody Energy Corp | BTU | Energy |
| PR Peakstone Realty Trust | PKST | Real estate |
| PD Pearl Diver Credit Company Inc. | PDCC | Financial services |
| PH Pebblebrook Hotel Trust | PEB | Real estate |
| PE PEDEVCO Corp | PED | Energy |
| PF PennantPark Floating Rate Capital Ltd | PFLT | Financial services |
| PI PennantPark Investment Corporation | PNNT | Financial services |
| PF PennyMac Finl Svcs Inc | PFSI | Financial services |
| PM PennyMac Mortgage Investment Trust | PMT | Real estate |
| PA Penske Automotive Group Inc | PAG | Consumer cyclical |
| PE Pentair PLC | PNR | Industrials |
| PE Penumbra Inc | PEN | Healthcare |
| PE Perfect Corp. | PERF | Technology |
| PM Perfect Moment Ltd. | PMNT | Consumer cyclical |
| PF Performance Food Group Co | PFGC | Consumer defensive |
| PS Perimeter Solutions SA | PRM | Basic materials |
| PR Permianville Royalty Trust | PVL | Energy |
| PB Permian Basin Royalty Trust | PBT | Energy |
| PR Permian Resources Corporation | PR | Energy |
| PR PermRock Royalty Trust | PRT | Energy |
| PC Perrigo Company PLC | PRGO | Healthcare |
| PT Perspective Therapeutics Inc. | CATX | Healthcare |
| PF Pfizer Inc | PFE | Healthcare |
| PG PG&E Corp | PCG | Utilities |
| PM Philip Morris International Inc | PM | Consumer defensive |
| P6 Phillips 66 | PSX | Energy |
| PH PHINIA Inc. | PHIN | Consumer cyclical |
| PN Phoenix New Media Limited | FENG | Communication services |
| PH Phreesia Inc | PHR | Healthcare |
| PO Piedmont Office Realty Trust Inc | PDM | Real estate |
| PD Pimco Dynamic Income Opportunities Fund | PDO | Financial services |
| PF Pineapple Financial Inc. | PAPL | Financial services |
| PF Pinnacle Financial Partners, Inc. | PNFP | Financial services |
| PW Pinnacle West Capital Corp | PNW | Utilities |
| PI Pinterest Inc | PINS | Communication services |
| PS Piper Sandler Companies | PIPR | Financial services |
| PB Pitney Bowes Inc | PBI | Industrials |
| PP PJT Partners Inc | PJT | Financial services |
| PF Planet Fitness Inc | PLNT | Consumer cyclical |
| PG Planet Green Holdings Corp | PLAG | Industrials |
| PL Planet Labs PBC | PL | Industrials |
| PL PLDT Inc ADR | PHI | Communication services |
| PI Plymouth Industrial REIT Inc | PLYM | Real estate |