| Stock name | Symbol | Country of origin | | M&T Bank Corporation | MTB}} | US |
| M&T Bank Corporation | MTB.PR}} | US |
| M&T Bank Corporation | MTB.PRC}} | US |
| M&T Bank Corporation | MTB.WS}} | US |
| M/I Homes, Inc. | MHO}} | US |
| M/I Homes, Inc. | MHO.PRA}} | US |
| Macerich Co. | MAC}} | US |
| Mack Cali Realty Corporation | CLI}} | US |
| Macquarie Global Infrastructure Total Return Fund Inc. | MGU}} | US |
| Macquarie Infrastructure Company LLC | MIC}} | US |
| Macquarie/First Trust Global Infrastructure/Utilities Dividend & Income Fund | MFD}} | US |
| Macy's Inc. | M}} | US |
| Madison Covered Call & Equity Strategy Fund | MCN}} | US |
| Madison Strategic Sector Premium Fund | MSP}} | US |
| Magellan Midstream Partners, L.P. | MMP}} | US |
| Magna International Inc. | MGA}} | Canada |
| MagnaChip Semiconductor Corporation | MX}} | US |
| Magnum Hunter Resources Corporation | MHR}} | US |
| Maiden Holdings, Ltd. | MH.PRA}} | Bermuda |
| Maiden Holdings North America, Ltd. | MHNA}} | Bermuda |
| Maiden Holdings North America, Ltd. | MHNB}} | US |
| Maiden Holdings North America, Ltd. | MHNC}} | US |
| Main Street Capital Corporation | MAIN}} | US |
| Main Street Capital Corporation | MSCA}} | US |
| MainStay Defined Term Municipal Opportunities Fund | MMD}} | US |
| Mallinckrodt Public Limited Company | MNK}} | US |
| Managed Duration Investment Grade Municipal Fund | MZF}} | US |
| Managed High Yield Plus Fund Inc. | HYF}} | US |
| Manchester United plc | MANU}} | United Kingdom |
| Manitowoc Company, Inc. | MTW}} | US |
| Manning & Napier, Inc. | MN}} | US |
| ManpowerGroup | MAN}} | US |
| Manulife Financial Corporation | MFC}} | Canada |
| Marathon Oil Corporation | MRO}} | US |
| Marathon Petroleum Corporation | MPC}} | US |
| Marcus Corporation | MCS}} | US |
| Marcus & Millichap, Inc. | MMI}} | US |
| Marin Software Incorporated | MRIN}} | US |
| Marine Harvest ASA | MHG}} | US |
| Marine Products Corporation | MPX}} | US |
| Marinemax Inc. | HZO}} | US |
| Markel Corporation | MKL}} | US |
| MarkWest Energy Partners, L.P. | MWE}} | US |
| Marriott Vacations Worldwide Corporation | VAC}} | US |
| Marsh & McLennan Companies Inc. | MMC}} | US |
| Martha Stewart Living Omnimedia, Inc. | MSO}} | US |
| Martin Marietta Materials Inc. | MLM}} | US |
| Masco Corporation | MAS}} | US |
| Masonite International Corporation | DOOR}} | US |
| MasTec, Inc. | MTZ}} | US |
| MasterCard Incorporated | MA}} | US |
| Matador Resources Company | MTDR}} | US |
| Materion Corporation | MTRN}} | US |
| Matson, Inc.. | MATX}} | US |
| Maui Land & Pineapple Company, Inc. | MLP}} | US |
| Mavenir Systems, Inc. | MVNR}} | US |
| Maxcom Telecomunicaciones S.A.B. de C.V. | MXT}} | Mexico |
| MAXIMUS, Inc. | MMS}} | US |
| MaxLinear, Inc. | MXL}} | US |
| MBIA Inc. | MBI}} | US |
| The McClatchy Company | MNI}} | US |
| McCormick & Company, Inc. | MKC}} | US |
| McCormick & Company, Inc. | MKC.V}} | US |
| McDermott International, Inc. | MDR}} | US |
| McDonald's Corporation | MCD}} | US |
| McEwen Mining Inc. | MUX}} | US |
| McGraw Hill Financial, Inc. | MHFI}} | US |
| McKesson Corporation | MCK}} | US |
| M.D.C. Holdings, Inc. | MDC}} | US |
| MDU Resources Group, Inc. | MDU}} | US |
| Mead Johnson Nutrition Company | MJN}} | US |
| Meadowbrook Insurance Group Inc. | MIG}} | US |
| MeadWestvaco Corporation | MWV}} | US |
| Mechel OAO | MTL}} | Russia |
| Mechel OAO | MTL.PR}} | Russia |
| Media General | MEG}} | US |
| Medical Properties Trust, Inc. | MPW}} | US |
| Medifast, Inc. | MED}} | US |
| Medley Capital Corporation | MCC}} | US |
| Medley Capital Corporation | MCQ}} | US |
| Medley Capital Corporation | MCV}} | US |
| Mednax, Inc. | MD}} | US |
| Medtronic Inc. | MDT}} | US |
| Men's Wearhouse Inc. | MW}} | US |
| Merck & Co Inc. | MRK}} | US |
| Mercury General Corporation | MCY}} | US |
| Meredith Corporation | MDP}} | US |
| Meritage Homes Corporation | MTH}} | US |
| Meritor, Inc. | MTOR}} | US |
| Merrill Lynch Capital Trust I | MER.PRK}} | US |
| Merrill Lynch Capital Trust II | MER.PRM}} | US |
| Merrill Lynch Capital Trust III | MER.PRP}} | US |
| Merrill Lynch Depositor, Inc. | PIY}} | US |
| Merrill Lynch Depositor, Inc. | PJL}} | US |
| Merrill Lynch Depositor, Inc. | PJS}} | US |
| Merrill Lynch Depositor, Inc. | PYB}} | US |
| Merrill Lynch Depositor, Inc. | PYS}} | US |
| Merrill Lynch Depositor, Inc. | PYT}} | US |
| Merrill Lynch Depositor, Inc. | PZB}} | US |
| Merrill Lynch Preferred Capital Trust III | MER.PRD}} | US |
| Merrill Lynch Preferred Capital Trust IV | MER.PRE}} | US |
| Merrill Lynch Preferred Capital Trust IV | MER.PRF}} | US |
| Mesa Royalty Trust | MTR}} | US |
| Mesabi Trust | MSB}} | US |
| Methode Electronics, Inc. | MEI}} | US |
| MetLife, Inc. | MET}} | US |
| MetLife, Inc. | MET.PRA}} | US |
| MetLife, Inc. | MET.PRB}} | US |
| MetLife, Inc. | MLU}} | US |
| Mettler Toledo International Inc. | MTD}} | Switzerland |
| The Mexico Equity And Income Fund, Inc. | MXE}} | US |
| The Mexico Fund, Inc. | MXF}} | Mexico |
| MFA Financial, Inc. | MFA}} | US |
| MFA Financial, Inc. | MFA.PRB}} | US |
| MFA Financial, Inc. | MFO}} | US |
| MFC Industrial Ltd. | MIL}} | Canada |
| MFS Charter Income Trust | MCR}} | US |
| MFS Government Markets Income Trust | MGF}} | US |
| MFS High Income Municipal Trust | CXE}} | US |
| MFS High Yield Municipal Trust | CMU}} | US |
| MFS Intermarket Income Trust I | CMK}} | US |
| MFS Intermediate High Income Fund | CIF}} | US |
| MFS Intermediate Income Trust | MIN}} | US |
| MFS Investment Grade Municipal Trust | CXH}} | US |
| MFS Multimarket Income Trust | MMT}} | US |
| MFS Municipal Income Trust | MFM}} | US |
| MFS Special Value Trust | MFV}} | US |
| MGIC Investment Corporation | MTG}} | US |
| MGM Resorts International | MGM}} | US |
| Michael Kors Holdings Limited | KORS}} | US |
| Mid America Apartment Communities Inc. | MAA}} | US |
| Midcoast Energy Partners, L.P. | MEP}} | US |
| Midstates Petroleum Company, Inc. | MPO}} | US |
| Millennial Media, Inc. | MM}} | US |
| Miller Energy Resources, Inc. | MILL}} | US |
| Miller Energy Resources, Inc. | MILL.PRC}} | US |
| Miller Energy Resources, Inc. | MILL.PRD}} | US |
| Miller Industries Inc. | MLR}} | US |
| Mindray Medical International Limited | MR}} | China |
| Minerals Technologies Inc. | MTX}} | US |
| Mississippi Power Company | MP.PRD}} | US |
| MISTRAS Group, Inc. | MG}} | US |
| Mitsubishi UFJ Financial Group, Inc. | MTU}} | Japan |
| MiX Telematics Limited | MIXT}} | US |
| Mizuho Financial Group, Inc. | MFG}} | Japan |
| Mobile TeleSystems | MBT}} | Russia |
| Model N, Inc. | MODN}} | US |
| Modine Manufacturing Company | MOD}} | US |
| Moelis & Company | MC}} | US |
| Mohawk Industries Inc. | MHK}} | US |
| Molina Healthcare, Inc. | MOH}} | US |
| Molson Coors Brewing Company | TAP}} | US |
| Molson Coors Brewing Company | TAP.A}} | US |
| Molycorp, Inc. | MCP}} | US |
| Monmouth Real Estate Investment Corporation | MNR}} | US |
| Monmouth Real Estate Investment Corporation | MNR.PRA}} | US |
| Monmouth Real Estate Investment Corporation | MNR.PRB}} | US |
| Monsanto Company | MON}} | US |
| Monster Worldwide, Inc. | MWW}} | US |
| Montgomery Street Income Securities, Inc. | MTS}} | US |
| Montpelier Re Holdings Ltd. | MRH}} | Bermuda |
| Montpelier Re Holdings Ltd. | MRH.PRA}} | Bermuda |
| Moody's Corporation | MCO}} | US |
| Moog Inc. | MOG.A}} | US |
| Moog Inc. | MOG.B}} | US |
| Morgan Stanley | MS}} | US |
| Morgan Stanley | ICB}} | US |
| Morgan Stanley | MS.PRA}} | US |
| Morgan Stanley | MS.PRE}} | US |
| Morgan Stanley | MS.PRF}} | US |
| Morgan Stanley | MS.PRG}} | US |
| Morgan Stanley Asia-Pacific Fund, Inc. | APF}} | US |
| Morgan Stanley Capital Trust III | MWR}} | US |
| Morgan Stanley Capital Trust IV | MWG}} | US |
| Morgan Stanley Capital Trust VIII | MSK}} | US |
| Morgan Stanley Capital Trust VII | MSZ}} | US |
| Morgan Stanley Capital Trust VI | MSJ}} | US |
| Morgan Stanley Capital Trust V | MWO}} | US |
| Morgan Stanley China A Share Fund, Inc. | CAF}} | US |
| Morgan Stanley Eastern European Fund, Inc. | RNE}} | US |
| Morgan Stanley Emerging Markets Debt Fund, Inc. | MSD}} | US |
| Morgan Stanley Emerging Markets Domestic Debt Fund, Inc. | EDD}} | US |
| Morgan Stanley Emerging Markets Fund, Inc. | MSF}} | US |
| Morgan Stanley India Investment Fund, Inc. | IIF}} | US |
| The Mosaic Company | MOS}} | US |
| Motorola Solutions, Inc. | MSI}} | US |
| Movado Group, Inc. | MOV}} | US |
| MPLX LP | MPLX}} | US |
| MRC Global Inc. | MRC}} | US |
| MS Structured Asset Corp. | HJV}} | US |
| MSA Safety Incorporated | MSA}} | US |
| Msc Industries Direct Co Inc. | MSM}} | US |
| MSCI, Inc. | MSCI}} | US |
| Mueller Industries, Inc. | MLI}} | US |
| Mueller Water Products, Inc. | MWA}} | US |
| Murphy Oil Corporation | MUR}} | US |
| Murphy USA Inc. | MUSA}} | US |
| MV Oil Trust | MVO}} | US |
| MVC Capital, Inc. | MVC}} | US |
| MVC Capital, Inc. | MVCB}} | US |
| Myers Industries, Inc. | MYE}} | US |
|