- MFUS — PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF
- MFV — MFS Special Value Trust
- MFVL — Motley Fool Value Factor ETF
- MFVZX — MassMutual Select Funds - MassMutual Equity Opportunities Fund
- MFXAX — MSIFT Core Plus Fixed Income Class A
- MG — Mistras Group, Inc.
- MG.TO — Magna International Inc.
- MGA — Magna International Inc.
- MGA.TO — Mega Uranium Ltd.
- MGB.TO — Mackenzie Core Plus Global Fixed Income ETF
- MGBIX — AMG GW&K ESG Bond Fund - Class I
- MGC — Vanguard Mega Cap ETF
- MGEE — MGE Energy, Inc.
- MGF — MFS Government Markets Income Trust
- MGFIX — AMG GW&K ESG Bond Fund
- MGG.V — Minaurum Gold Inc.
- MGGAX — Mirova Global Green Bond Fund Class A
- MGGBX — AMG GW&K High Income Fund Class N
- MGGIX — Morgan Stanley Institutional Fund, Inc. Global Opportunity Portfolio
- MGGPX — MSIF Global Opportunity Portfolio Class A
- MGGYX — Mirova Global Green Bond Fund Class Y
- MGI — MoneyGram International, Inc.
- MGIC — Magic Software Enterprises Ltd.
- MGIH — Millennium Group International Holdings Limited
- MGK — Vanguard Mega Cap Growth ETF
- MGLAX — MFS Global Real Estate Fund Class A
- MGLBX — Marsico Global Fund
- MGLD — The Marygold Companies, Inc.
- MGLD.V — Monumental Gold Corp.
- MGLN — Magellan Health, Inc.
- MGM — MGM Resorts International
- MGM.V — Maple Gold Mines Ltd.
- MGMT — OneAscent Enhanced Small and Mid Cap ETF allast Small/Mid Cap
- MGN — Megan Holdings Limited Ordinary Shares
- MGNI — Magnite, Inc.
- MGNR — American Beacon GLG Natural Resources ETF
- MGNX — MacroGenics, Inc.
- MGOAX — Victory Munder Mid-Cap Core Growth Fund
- MGOL — MGO Global Inc. Common Stock
- MGOV — First Trust Intermediate Government Opportunities ETF
- MGP — MGM Growth Properties LLC
- MGPI — MGP Ingredients, Inc.
- MGPIX — ProFunds Mid Cap Growth Fund Investor Class
- MGQIX — MSIF Global Sustain Portfolio - Class I
- MGR — Affiliated Managers Group, Inc.
- MGR.V — Magna Gold Corp.
- MGRAX — MFS Series Trust X- MFS International Growth Fund A
- MGRB — Affiliated Managers Group, Inc.
- MGRC — McGrath RentCorp
- MGRD — Affiliated Managers Group, Inc.
- MGRDX — MFS International Growth R6
- MGRE — Affiliated Managers Group, Inc.
- MGRIX — Marsico Growth Fund
- MGRM — Monogram Orthopaedics, Inc.
- MGRO.V — MustGrow Biologics Corp.
- MGRT — Mega Fortune Company Limited
- MGRX — Mangoceuticals, Inc.
- MGSEX — AMG Veritas Asia Pacific Fund Class N
- MGTA — Magenta Therapeutics, Inc.
- MGTX — MeiraGTx Holdings plc
- MGU — Macquarie Global Infrastructure Total Return Fund Inc.
- MGV — Vanguard Mega Cap Value ETF
- MGX — Metagenomi, Inc. Common Stock
- MGY — Magnolia Oil & Gas Corporation
- MGYR — Magyar Bancorp, Inc.
- MH — McGraw Hill, Inc.
- MHC-U.TO — Flagship Communities Real Estate Investment Trust
- MHC-UN.TO — Flagship Communities Real Estate Investment Trust
- MHD — BlackRock MuniHoldings Fund, Inc.
- MHF — Western Asset Municipal High Income Fund Inc.
- MHGC — Morgans Hotel Group Co.
- MHH — Mastech Digital, Inc.
- MHI — Pioneer Municipal High Income Fund, Inc.
- MHIG — Milliman Healthcare Inflation Guard ETF
- MHIP — Milliman Healthcare Inflation Plus ETF
- MHK — Mohawk Industries, Inc.
- MHLA — Maiden Holdings, Ltd. 6.625 NT 2046
- MHLD — Maiden Holdings, Ltd.
- MHN — BlackRock MuniHoldings New York Quality Fund, Inc.
- MHNC — Maiden Holdings North America, Ltd.
- MHO — M/I Homes, Inc.
- MHUA — Meihua International Medical Technologies Co., Ltd.
- MHUB.V — Minehub Technologies Inc.
- MHY — Man Active High Yield ETF
- MI — NFT Limited
- MI-UN.TO — Minto Apartment Real Estate Investment Trust
- MIACU — Meridian3 Industrials Acquisition Corp
- MIAPX — Matthews Asia Growth Instl
- MIAWX — American Funds Multi-Sector Income Fund Class F-1
- MIAX — MIAMI INTERNATIONAL HOLDINGS, INC.
- MICC — The Magnum Ice Cream Company N.V.
- MICDX — Matthews China Dividend Fund
- MICFX — Matthews China Instl
- MICGX — Mirae Asset Discovery Fds Emerging Markets Great Consumer Fd Cl I
- MICS — The Singing Machine Company, Inc.
- MICT — MICT, Inc.
- MID — American Century Mid Cap Growth Impact ETFAmerican Century Mid Cap Growth Impact ETFAmerican Century Mid Cap Growth Impact ETF
- MID-UN.TO — MINT Income Fund
- MIDD — The Middleby Corporation
- MIDDV — Middleby Corp.
