| MLAB | Mesa Laboratories, Inc. - Common Stock | | |
| MLCI | Mount Logan Capital Inc. - Common Stock | | |
| MLCIL | Mount Logan Capital Inc. - 8.00% Notes Due 2031 | | |
| MLCO | Melco Resorts & Entertainment Limited - American Depositary Shares | | |
| MLEC | Moolec Science SA - Ordinary Shares | | |
| MLECW | Moolec Science SA - Warrant | | |
| MLGO | MicroAlgo, Inc. - Ordinary Shares | | |
| MLKN | MillerKnoll, Inc. - Common Stock | | |
| MLTX | MoonLake Immunotherapeutics - Class A Ordinary Shares | | |
| MLYS | Mineralys Therapeutics, Inc. - Common Stock | | |
| MMED | MiniMed Group, Inc. - Common Stock | | |
| MMLP | Martin Midstream Partners L.P. - Common Units Representing Limited Partnership Interests | | |
| MMSI | Merit Medical Systems, Inc. - Common Stock | | |
| MMTX | Miluna Acquisition Corp - Class A Ordinary Shares | | |
| MMTXU | Miluna Acquisition Corp - Units | | |
| MMTXW | Miluna Acquisition Corp - Warrant | | |
| MMYT | MakeMyTrip Limited - Ordinary Shares | | |
| MNDO | MIND C.T.I. Ltd. - Ordinary Shares | D | |
| MNDR | Mobile-health Network Solutions - Class A Ordinary Shares | | |
| MNDY | monday.com Ltd. - Ordinary Shares | | |
| MNKD | MannKind Corporation - Common Stock | | |
| MNOV | MediciNova, Inc. - Common Stock | | |
| MNPR | Monopar Therapeutics Inc. - Common Stock | | |
| MNRO | Monro, Inc. - Common Stock | | |
| MNSB | MainStreet Bancshares, Inc. - Common Stock | | |
| MNSBP | MainStreet Bancshares, Inc. - Depositary Shares | | |
| MNST | Monster Beverage Corporation - Common Stock | | SP500 |
| MNTK | Montauk Renewables, Inc. - Common Stock | | |
| MNTS | Momentus Inc. - Class A Common Stock | | |
| MNY | MoneyHero Limited - Class A Ordinary Shares | D | |
| MNYWW | MoneyHero Limited - Warrants | | |
| MOB | Mobilicom Limited - Ordinary Shares | | |
| MOBBW | Mobilicom Limited - Warrants | | |
| MOBI | Mobia Medical, Inc. - Common Stock | | |
| MOBX | Mobix Labs, Inc. - Class A Common Stock | | |
| MOBXW | Mobix Labs, Inc. - Warrants | | |
| MODD | Modular Medical, Inc. - common stock | | |
| MOLN | Molecular Partners AG - American Depositary Shares | | |
| MOMO | Hello Group Inc. - American Depositary Shares | | |
| MORN | Morningstar, Inc. - Common Stock | | |
| MOVE | Corvex, Inc. - Common Stock | | |
| MPAA | Motorcar Parts of America, Inc. - Common Stock | | |
| MPB | Mid Penn Bancorp - Common Stock | | |
| MPLT | MapLight Therapeutics, Inc. - Common Stock | | |
| MPWR | Monolithic Power Systems, Inc. - Common Stock | | SP500 |
| MQ | Marqeta, Inc. - Class A Common Stock | | |
| MRAM | Everspin Technologies, Inc. - Common Stock | | |
| MRBK | Meridian Corporation - Common Stock | | |
| MRCO | Mercator Acquisition Corp. - Class A Ordinary Shares | | |
| MRCOU | Mercator Acquisition Corp. - Units | | |