- MULT — Franklin Multisector Income ETF
- MUMC.TO — Manulife Multifactor U.S. Mid Cap Index ETF
- MUNA — Northern Trust 2030 Tax-Exempt Distributing Ladder ETF
- MUNB — Northern Trust 2035 Tax-Exempt Distributing Ladder ETF
- MUNC — Northern Trust 2045 Tax-Exempt Distributing Ladder ETF
- MUND — Northern Trust 2055 Tax-Exempt Distributing Ladder ETF
- MUNI — PIMCO Intermediate Municipal Bond Active Exchange-Traded Fund
- MUNMF — Mundoro Capital Inc.
- MUNX — AMG GW&K Muni Income ETF
- MUR — Murphy Oil Corporation
- MUR.V — Murchison Minerals Ltd.
- MURGF — Münchener Rückversicherungs-Gesellschaft AG in München
- MURGY — Münchener Rückversicherungs-Gesellschaft AG in München
- MURMF — Murchison Minerals Ltd.
- MUSA — Murphy USA Inc.
- MUSC.TO — Manulife Multifactor U.S. Small Cap Index ETF
- MUSE — TCW Multisector Credit Income ETF
- MUSH.V — Mercanto Holdings Inc.
- MUSI — American Century Multisector Income ETFAmerican Century Multisector Income ETFAmerican Century Multisector Income ETF
- MUSLF — Promino Nutritional Sciences Inc.
- MUSQ — MUSQ Global Music Industry Index ETF
- MUST — Columbia Multi-Sector Municipal Income ETF
- MUU — Direxion Daily MU Bull 2X ETF
- MUX — McEwen Mining Inc.
- MUX.TO — McEwen Mining Inc.
- MUYY — GraniteShares YieldBOOST MU ETF
- MUZ — Defiance Daily Target 2X Short MU ETF
- MUZE — Muzero Acquisition Corp Class A Ordinary Shares
- MUZEU — Muzero Acquisition Corp Unit
- MUZEW — Muzero Acquisition Corp Warrant
- MVA.AX — VanEck - Australian Property ETF
- MVB.AX — VanEck - Australian Banks ETF
- MVBF — MVB Financial Corp.
- MVCO — Metavesco, Inc.
- MVE.AX — VanEck - S&P/ASX MidCap ETF
- MVES — The Movie Studio, Inc.
- MVF.AX — Monash IVF Group Limited
- MVIS — MicroVision, Inc.
- MVL.AX — Marvel Gold Limited
- MVLA — Movella Holdings Inc.
- MVLL — GraniteShares 2x Long MRVL Daily ETF
- MVLY — Mission Valley Bancorp
- MVMDF — Mountain Valley MD Holdings Inc.
- MVNC — Marvion Inc.
- MVNT — Movement Industries Corporation
- MVOL.AX — iShares Edge MSCI Australia Minimum Volatility ETF
- MVP.AX — Medical Developments International Limited
- MVPA — Miller Value Partners Appreciation ETF
- MVPL — Miller Value Partners Leverage ETF
- MVPT — MVP Holdings Inc.
- MVR.AX — VanEck - Australian Resources ETF
- MVRL — ETRACS Monthly Pay 1.5x Leveraged Mortgage REIT ETN
- MVS.AX — VanEck - Small Companies Masters ETF
- MVST — Microvast Holdings, Inc.
- MVV — ProShares - Ultra MidCap400
- MVVYF — Moovly Media Inc.
- MVW.AX — VanEck - Australian Equal Weight ETF
- MWA — Mueller Water Products, Inc.
- MWAI — MedWellAI Inc.
- MWC — Micware Co., Ltd. American Depositary Shares
- MWCAF — Matachewan Consolidated Mines, Limited
- MWG — Multi Ways Holdings Limited
- MWHS — Skylar Electricity Futures ETF
- MWMN.NE — MACKENZIE GLOBAL WOMEN'S LEADERSHIP ETF
- MWTCF — Manila Water Company, Inc.
- MWTCY — Manila Water Company, Inc.
- MWWC — Marketing Worldwide Corp
- MWYN — Marwynn Holdings, Inc. Common stock
- MX — Magnachip Semiconductor Corporation
- MX.TO — Methanex Corporation
- MX1.AX — Micro-X Limited
- MXC — Mexco Energy Corporation
- MXCHF — Orbia Advance Corporation, S.A.B. de C.V.
- MXCHY — Orbia Advance Corporation, S.A.B. de C.V.
- MXCT — MaxCyte, Inc.
- MXG.TO — Maxim Power Corp.
- MXGBF — Molson Coors Canada Inc.
- MXGFF — Maxim Power Corp.
- MXI — iShares Global Materials ETF
- MXI.AX — MaxiPARTS Limited
- MXL — MaxLinear, Inc.
- MXLGF — MX Gold Corp.
- MXO.AX — Motio Limited
- MXROF — Max Resource Corp.
- MXT.AX — Metrics Master Income Trust
- MXTRF — Montero Mining and Exploration Ltd.
- MYBUF — Meyer Burger Technology AG
- MYCB — My City Builders, Inc.
- MYCF — State Street My2026 Corporate Bond ETF
- MYCG — State Street My2027 Corporate Bond ETF
- MYCH — State Street My2028 Corporate Bond ETF
- MYCI — State Street My2029 Corporate Bond ETF
- MYCJ — State Street My2030 Corporate Bond ETF
- MYCK — State Street My2031 Corporate Bond ETF
- MYCL — State Street My2032 Corporate Bond ETF
- MYCM — State Street My2033 Corporate Bond ETF
- MYCN — State Street My2034 Corporate Bond ETF
- MYCO — State Street My2035 Corporate Bond ETF
- MYCOF — Noveris Health Sciences Inc.
- MYE — Myers Industries, Inc.
