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© 2026 Insider Trade Flow. Not financial advice. All data sourced from public SEC filings, 13F reports, and Polymarket.

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Browse our comprehensive A-Z directory of public companies, corporate insiders, and institutional investors tracked through SEC filings.

Companies starting with M

434 companies

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

M-tron Industries, Inc.

M/I HOMES, INC.

M&F BANCORP INC /NC/

M&T BANK CORP

M3-Brigade Acquisition V Corp.

MA Specialty Credit Income Fund

MAC-GRAY CORP

MACATAWA BANK CORP

MACERICH CO

MACK CALI REALTY CORP

MacKenzie Realty Capital, Inc.

MACKINAC FINANCIAL CORP /MI/

MACOM Technology Solutions Holdings, Inc.

Macquarie Infrastructure CO LLC

MACROGENICS INC

Macy's, Inc.

Madison Air Solutions Corp

Madison Square Garden Entertainment Corp.

Madison Square Garden Sports Corp.

MADRIGAL PHARMACEUTICALS, INC.

MAGELLAN HEALTH SERVICES INC

MAGELLAN MIDSTREAM PARTNERS LP

MAGELLAN PETROLEUM CORP /DE/

MAGMA DESIGN AUTOMATION INC

MAGNACHIP SEMICONDUCTOR Corp

Magnera Corp

MAGNITE, INC.

Magnolia Bancorp, Inc.

Magnolia Oil & Gas Corp

Magnolia Solar Corp

MAGNUM HUNTER RESOURCES CORP

Magyar Bancorp, Inc.

MAIA Biotechnology, Inc.

Maiden Holdings, Ltd.

Maidenform Brands, Inc.

MFB]

Maidenform Brands, Inc.

Main Street Capital CORP

MAINSOURCE FINANCIAL GROUP

MainStreet Bancshares, Inc.

MAINSTREET BANKSHARES INC

MAINZ BIOMED N.V.

Maison Solutions Inc.

MAJESCO ENTERTAINMENT CO

MAKEMUSIC, INC.

MAKO Surgical Corp.

MALIBU BOATS, INC.

MAM SOFTWARE GROUP, INC.

MAM SOFTWARE GROUP, INC.

Mama's Creations, Inc.

MAMMOTH ENERGY SERVICES, INC.

MANAS PETROLEUM Corp

MANGOCEUTICALS, INC.

MANHATTAN ASSOCIATES INC

Manhattan Bancorp

MANHATTAN BRIDGE CAPITAL, INC

Manitex International, Inc.

MANITOWOC CO INC

MANNATECH INC

MANNKIND CORP

MANPOWER INC /WI/

MANTECH INTERNATIONAL CORP

Mantra Venture Group Ltd.

Manulife Private Credit Fund

MAP Pharmaceuticals, Inc.

Maplebear Inc.

MapLight Therapeutics, Inc.

MARA Holdings, Inc.

Marathon Bancorp, Inc. /MD/

MARATHON OIL CORP

Marathon Petroleum Corp

MARAVAI LIFESCIENCES HOLDINGS, INC.

MARCHEX INC

MARCUS CORP

MARIMED INC.

MARIN SOFTWARE INC

MARINE PRODUCTS CORP

MARINEMAX INC

MARKEL CORP

MARKETAXESS HOLDINGS INC

MARKETING WORLDWIDE CORP

MARKETWISE, INC.

MARKWEST ENERGY PARTNERS L P

MARLIN BUSINESS SERVICES CORP

Marpai, Inc.

Marqeta, Inc.

MARRIOTT INTERNATIONAL INC /MD/

MARRIOTT VACATIONS WORLDWIDE Corp

MARSH & MCLENNAN COMPANIES, INC.

MARSHALL & ILSLEY CORP

MARTEN TRANSPORT LTD

MARTHA STEWART LIVING OMNIMEDIA INC

Marti Technologies, Inc.

MARTIN MARIETTA MATERIALS INC

MARTIN MIDSTREAM PARTNERS LP

Marvell Technology, Inc.

Marwynn Holdings, Inc.

Marygold Companies, Inc.

MARZETTI CO

MASCO CORP /DE/

MASIMO CORP

MASS Petroleum Inc.

MASSEY ENERGY CO

MASSMUTUAL CORPORATE INVESTORS

MASSMUTUAL PARTICIPATION INVESTORS

MASTEC INC

Mastech Holdings, Inc.

MasterBrand, Inc.

MASTERCARD INC

MasterCraft Boat Holdings, Inc.

Matador Resources Co

Match Group, Inc.

MATERIAL SCIENCES CORP

MATERION Corp

Mativ Holdings, Inc.

MATRIX SERVICE CO

MATRIXX INITIATIVES INC

Matson, Inc.

MATTEL INC /DE/

Mattersight Corp

MATTHEWS INTERNATIONAL CORP

MATTSON TECHNOLOGY INC

MAUI LAND & PINEAPPLE CO INC

Mawson Infrastructure Group Inc.

MAXCYTE, INC.

MAXIM INTEGRATED PRODUCTS INC

MAXIMUS INC

MAXLINEAR INC

MAXWELL TECHNOLOGIES INC

MAXYGEN INC

Mayflower Bancorp Inc

MAYS J W INC

Mayville Engineering Company, Inc.

Maywood Acquisition Corp.

Maze Therapeutics, Inc.

MB FINANCIAL INC /MD

MBIA INC

MBX Biosciences, Inc.

MCCORMICK & CO INC

MCDERMOTT INTERNATIONAL INC

MCDONALDS CORP

McEwen Inc.

MUX]

McEwen Mining Inc.

MCG CAPITAL CORP

MCGRATH RENTCORP

McGraw Hill, Inc.

MCGRAW-HILL COMPANIES INC

MCKESSON CORP

MCMORAN EXPLORATION CO /DE/

MDB Capital Holdings, LLC

MDC HOLDINGS INC

MDC PARTNERS INC

MDU COMMUNICATIONS INTERNATIONAL INC

MDU RESOURCES GROUP INC

MDWerks, Inc.

Mead Johnson Nutrition Co

MEADOWBROOK INSURANCE GROUP INC

MEADWESTVACO Corp

Measurement Specialties Inc

MECHANICAL TECHNOLOGY INC

Mechanics Bancorp

Medalist Diversified REIT, Inc.

MEDALLION FINANCIAL CORP

MEDALLION FINANCIAL CORP

MEDASSETS INC

MEDCATH CORP

MedClean Technologies, Inc.

MEDCO HEALTH SOLUTIONS INC

MEDGENICS, INC.

MEDIA GENERAL INC

MEDIA SCIENCES INTERNATIONAL INC

MEDIA TECHNOLOGIES, INC.

MediaAlpha, Inc.

Mediaco Holding Inc.

MediaMind Technologies Inc.

Medical Billing Assistance Inc

MEDICAL PROPERTIES TRUST INC

MEDICAL PROPERTIES TRUST INC

MEDICINES CO /DE

MEDICINOVA INC

MEDICIS PHARMACEUTICAL CORP

Medicus Pharma Ltd.

Medidata Solutions, Inc.

MEDIFAST INC

MEDIVATION, INC.

MEDIWARE INFORMATION SYSTEMS INC

MediWound Ltd.

MEDIZONE INTERNATIONAL INC

Medley Capital Corp

Medline Inc.

MEDNAX, INC.

Medpace Holdings, Inc.

MedPro Safety Products, Inc.

MEDTOX SCIENTIFIC INC

MEDTRONIC INC

MeiraGTx Holdings plc

Meiwu Technology Co Ltd

Meketa Infrastructure Fund

Melco Resorts & Entertainment LTD

Mellanox Technologies, Ltd.

MEMC ELECTRONIC MATERIALS INC

MEMSIC Inc

MENS WEARHOUSE INC

Mentor Capital, Inc.

MENTOR GRAPHICS CORP

MERCADOLIBRE INC

MERCANTILE BANK CORP

MERCER INTERNATIONAL INC.

NONE

Merchants & Marine Bancorp, Inc.

Merchants Bancorp

MERCHANTS BANCSHARES INC

Merck & Co. Inc.

MERCURY COMPUTER SYSTEMS INC

MERCURY GENERAL CORP

MERGE HEALTHCARE INC

MERIDIAN BIOSCIENCE INC

Meridian Corp

MERISEL INC /DE/

MERIT MEDICAL SYSTEMS INC

Meritage Homes CORP

MERITOR INC

Merlin, Inc.

Mersana Therapeutics, Inc.

MERU NETWORKS INC

Merus N.V.

Mesa Energy Holdings, Inc.

MESA LABORATORIES INC /CO

Meta Platforms, Inc.

METABOLIX, INC.

Metagenomi, Inc.

METALICO INC

Metallus Inc.

$MATH logo$ MATH

Metalpha Technology Holding Ltd

MetaVia Inc.

METHODE ELECTRONICS INC

METLIFE INC

METRO BANCORP, INC.

MetroCity Bankshares, Inc.

METROPCS COMMUNICATIONS INC

Metropolitan Bank Holding Corp.

METROPOLITAN HEALTH NETWORKS INC

Metsera, Inc.

METTLER TOLEDO INTERNATIONAL INC/

MEXCO ENERGY CORP

MEXICAN ECONOMIC DEVELOPMENT INC

MEXICO FUND INC

MF Global Holdings Ltd.

MFA FINANCIAL, INC.

MFRI INC

MFS HIGH YIELD MUNICIPAL TRUST

MFS INVESTMENT GRADE MUNICIPAL TRUST

MGE ENERGY INC

MGIC INVESTMENT CORP

MGM Resorts International

MGP INGREDIENTS INC

MGT CAPITAL INVESTMENTS, INC.

MHI Hospitality CORP

MIAMI INTERNATIONAL HOLDINGS, INC.

MICHAEL BAKER CORP

MICREL INC

MICREL INC

MICRO IMAGING TECHNOLOGY, INC.

MICROCHIP TECHNOLOGY INC

MICROFLUIDICS INTERNATIONAL CORP

MICROMET, INC.

MICRON TECHNOLOGY INC

MICRONETICS INC

MICROS SYSTEMS INC

MICROSEMI CORP

MICROSOFT CORP

MICROSTRATEGY INC

Microvast Holdings, Inc.

MICROVISION INC

MID AMERICA APARTMENT COMMUNITIES INC

MID PENN BANCORP INC

MID WISCONSIN FINANCIAL SERVICES INC

MIDAS INC

MIDCAROLINA FINANCIAL CORP

MIDDLEBURG FINANCIAL CORP

MIDDLEBY Corp

MIDDLEFIELD BANC CORP

MIDDLESEX WATER CO

Midland States Bancorp, Inc.

MIDSOUTH BANCORP INC

Midway Gold Corp

MidWestOne Financial Group, Inc.

Milestone Pharmaceuticals Inc.

MILESTONE SCIENTIFIC INC.

MILESTONE SCIENTIFIC INC.

Mill City Ventures III, Ltd

MILLENNIA INC

MILLENNIUM BANKSHARES CORP

MILLER HERMAN INC

MILLER INDUSTRIES INC /TN/

MILLERKNOLL, INC.

Millrose Properties, Inc.

Millstream Ventures, Inc.

Millstream Ventures, Inc.

Miluna Acquisition Corp

MIMEDX GROUP, INC.

MIND CTI LTD

Mind Medicine (MindMed) Inc.

MINDEN BANCORP, INC.

MINDEN BANCORP, INC.

MINDSPEED TECHNOLOGIES, INC

Mine Clearing Corp.

MINE SAFETY APPLIANCES CO

MINERALRITE Corp

MINERALS TECHNOLOGIES INC

Mineralys Therapeutics, Inc.

Minerva Neurosciences, Inc.

MINES MANAGEMENT INC

MiniMed Group, Inc.

MiNK Therapeutics, Inc.

MIPS TECHNOLOGIES INC

MIRA PHARMACEUTICALS, INC.

Mirion Technologies, Inc.

Mirum Pharmaceuticals, Inc.

MISONIX INC

Mission Produce, Inc.

Mister Car Wash, Inc.

Mistras Group, Inc.

MITCHAM INDUSTRIES INC

MITEK SYSTEMS INC

MITEK SYSTEMS INC

MITSUBISHI UFJ FINANCIAL GROUP INC

MIXED MARTIAL ARTS GROUP LTD

MIZUHO FINANCIAL GROUP INC

MKS INSTRUMENTS INC

MLP & Strategic Equity Fund Inc.

MMRGlobal, Inc.

MNTN, Inc.

Mobia Medical, Inc.

Mobile Infrastructure Corp

MOBILE MINI INC

Mobileye Global Inc.

Mobiquity Technologies, Inc.

MOBIX LABS, INC

MOCON INC

MOD PAC CORP

Moderna, Inc.

MODINE MANUFACTURING CO

MODIV INDUSTRIAL, INC.

ModivCare Inc

Modular Medical, Inc.

ModusLink Global Solutions Inc

Moelis & Co

MOHAWK INDUSTRIES INC

MOLEX INC

MOLINA HEALTHCARE INC

MOLSON COORS BREWING CO

Molycorp, Inc.

MOMENTA PHARMACEUTICALS INC

Momentus Inc.

MONAR INTERNATIONAL INC.

MONARCH CASINO & RESORT INC

MONARCH CEMENT CO

Monarch Financial Holdings, Inc.

Mondelez International, Inc.

MONEYGRAM INTERNATIONAL INC

MongoDB, Inc.

MONMOUTH REAL ESTATE INVESTMENT CORP

MONOLITHIC POWER SYSTEMS INC

Monopar Therapeutics

Monotype Imaging Holdings Inc.

MONRO MUFFLER BRAKE INC

MONROE CAPITAL Corp

Monroe Federal Bancorp, Inc.

MONSANTO CO /NEW/

Monster Beverage Corp

MONSTER WORLDWIDE INC

Montauk Renewables, Inc.

Monte Rosa Therapeutics, Inc.

MONTGOMERY STREET INCOME SECURITIES, INC

MONTPELIER RE HOLDINGS LTD

MOODYS CORP /DE/

MOOG INC

MoonLake Immunotherapeutics

MORGAN STANLEY

Morgan Stanley Direct Lending Fund

MORGAN STANLEY INDIA INVESTMENT FUND, INC.

Morgans Hotel Group Co.

Morningstar, Inc.

MOSAIC CO

MoSys, Inc.

MOTORCAR PARTS OF AMERICA INC

MOTOROLA INC

Motorola Mobility Holdings, Inc

Motorola Solutions, Inc.

Motorsport Games Inc.

MOTRICITY INC

Mount Logan Capital Inc.

Mountain Crest Acquisition 6 Corp.

Mountain Lake Acquisition Corp.

Mountain Lake Acquisition Corp. II

Mountain Lake Acquisition Corp. II

MOVADO GROUP INC

MOVE INC

MP Materials Corp. / DE

MPG Office Trust, Inc.

MPHASE TECHNOLOGIES INC

MPLX LP

MPM TECHNOLOGIES INC

Mr. Cooper Group Inc.

MRV COMMUNICATIONS INC

MSB FINANCIAL CORP.

MSC INCOME FUND, INC.

MSC INDUSTRIAL DIRECT CO INC

MSCI Inc.

MTS SYSTEMS CORP

MUELLER INDUSTRIES INC

Mueller Water Products, Inc.

MULTIBAND CORP

MultiCell Technologies, Inc.

MultiSensor AI Holdings, Inc.

MUNCY COLUMBIA FINANCIAL Corp

MUNICIPAL MORTGAGE & EQUITY LLC

Mural Oncology plc

MURPHY OIL CORP /DE

Murphy USA Inc.

MUSTANG ALLIANCES, INC.

MUSTANG BIO, INC.

MUTUALFIRST FINANCIAL INC

MVB FINANCIAL CORP

MVC CAPITAL, INC.

MWI Veterinary Supply, Inc.

My City Builders, Inc.

My Size, Inc.

MYERS INDUSTRIES INC

MYLAN INC.

Mynd.ai, Inc.

MYOMO, INC.

MYR GROUP INC.

MYRIAD GENETICS INC

Myseum, Inc.