- MITQ — Moving iMage Technologies, Inc.
- MITSF — Mitsui & Co., Ltd.
- MITSY — Mitsui & Co., Ltd.
- MITT — AG Mortgage Investment Trust, Inc.
- MITUF — Mitsui Chemicals, Inc.
- MITUY — Mitsui Chemicals, Inc.
- MIUFF — Mitsubishi HC Capital Inc.
- MIUFY — Mitsubishi HC Capital Inc.
- MIURF — Miura Co., Ltd.
- MIVG.TO — Mackenzie Ivy Global Equity ETF
- MIVL — MFS Active International Value ETF
- MIZUF — Mizuno Corporation
- MJ — Amplify Alternative Harvest ETF
- MJARF — MJardin Group, Inc.
- MJDLF — Major Drilling Group International Inc.
- MJDS — Mojo Data Solutions, Inc.
- MJGCF — Majestic Gold Corp.
- MJLB — Ultrack Systems, Inc.
- MJNA — Medical Marijuana, Inc.
- MJS.V — Majestic Gold Corp.
- MJSC — MUFG Japan Small Cap Active ETF
- MJWL — Majic Wheels Corp.
- MJWNY — Naked Wines plc
- MKA.V — Mkango Resources Ltd.
- MKAM — MKAM ETF
- MKB.TO — Mackenzie Canadian Strategic Fixed Income ETF
- MKC — McCormick & Company, Incorporated
- MKC-V — McCormick & Company, Incorporated
- MKDTY — Molecular Data Inc.
- MKDW — MKDWELL Tech Inc.
- MKDWW — MKDWELL Tech Inc.
- MKGAF — Merck KGaA
- MKGP — Maverick Energy Group, Ltd.
- MKIN — MCNB Banks, Inc.
- MKKGY — Merck KGaA
- MKKOF — Marimekko Oyj
- MKL — Markel Corporation
- MKLY — McKinley Acquisition Corporation
- MKLYR — McKinley Acquisition Corporation Rights
- MKNGF — Mkango Resources Ltd.
- MKO.V — Mako Mining Corp.
- MKOR — Matthews Korea Active ETF MKOR
- MKP.TO — MCAN Mortgage Corporation
- MKR.AX — Manuka Resources Limited
- MKR.V — Melkior Resources Inc.
- MKRIF — Melkior Resources Inc.
- MKRYF — Manitok Energy Inc.
- MKSEF — Marksmen Energy Inc.
- MKSI — MKS Inc.
- MKTAY — Makita Corporation
- MKTN — Federated Hermes MDT Market Neutral ETF
- MKTSF — Deepmarkit Corp.
- MKTW — MarketWise, Inc.
- MKTX — MarketAxess Holdings Inc.
- MKZ-UN.TO — Mackenzie Master Limited Partnership
- MKZR — MacKenzie Realty Capital, Inc.
- MLAA — Mountain Lake Acquisition Corp. II Class A Ordinary Shares
- MLAAU — Mountain Lake Acquisition Corp. II Units
- MLAAW — Mountain Lake Acquisition Corp. II Wt
- MLAB — Mesa Laboratories, Inc.
- MLBEF — 5g Networks Ltd.
- MLCG — ML Capital Group, Inc.
- MLCI — Mount Logan Capital Inc. Common Stock
- MLCIL — Mount Logan Capital Inc. 8.00% Notes Due 2031
- MLCO — Melco Resorts & Entertainment Limited
- MLDR — Global X - Intermediate-Term Treasury Ladder ETF
- MLEC — Moolec Science S.A.
- MLECW — Moolec Science S.A.
- MLFNF — Maple Leaf Foods Inc.
- MLG.AX — MLG Oz Limited
- MLGCF — M3 Metals Corp.
- MLGF — Malaga Financial Corporation
- MLGO — MicroAlgo Inc.
- MLHC — M Line Holdings, Inc.
- MLI — Mueller Industries, Inc.
- MLKM.CN — Mayo Lake Minerals Inc.
- MLKN — MillerKnoll, Inc.
- MLLCF — Molecular Partners AG
- MLLGF — Mullen Group Ltd.
- MLLUY — Metallurgical Corporation of China Ltd.
- MLM — Martin Marietta Materials, Inc.
- MLM.NE — McFarlane Lake Mining Limited
- MLMC — Mike Lindell Media, Corp.
- MLMLF — McFarlane Lake Mining Limited
- MLMN — Millennium Prime, Inc.
- MLN — VanEck Long Muni ETF
- MLORF — Montello Resources Ltd.
- MLP — Maui Land & Pineapple Company, Inc.
- MLP.V — Millennial Potash Corp.
- MLPA — Global X - MLP ETF
- MLPB — ETRACS Alerian MLP Infrastructure Index ETN Series B
- MLPD — Global X - MLP & Energy Infrastructure Covered Call ETF
- MLPI — MLP & Energy Infrastructure High Income ETF
- MLPR — ETRACS Quarterly Pay 1.5X Leveraged Alerian MLP Index ETN
- MLPX — Global X - MLP & Energy Infrastructure ETF
- MLR — Miller Industries, Inc.
- MLRT — Metalert, Inc.
- MLS.AX — Metals Australia Ltd
- MLSPF — Melrose Industries PLC
- MLSS — Milestone Scientific Inc.
