- MKFG — Markforged Holding Corporation
- MKGI — Monaker Group, Inc.
- MKIEX — The Advisors' Inner Circle Fund - McKee International Equity Portfolio
- MKL — Markel Corporation
- MKLOX — BlackRock Global Allocation K
- MKLY — McKinley Acquisition Corporation
- MKLYR — McKinley Acquisition Corporation Rights
- MKLYU — McKinley Acquisition Corporation Units
- MKO.V — Mako Mining Corp.
- MKOR — Matthews Korea Active ETF MKOR
- MKP.TO — MCAN Mortgage Corporation
- MKR.V — Melkior Resources Inc.
- MKSI — MKS Inc.
- MKTN — Federated Hermes MDT Market Neutral ETF
- MKTO — Marketo, Inc.
- MKTW — MarketWise, Inc.
- MKTWW — MarketWise, Inc.
- MKTX — MarketAxess Holdings Inc.
- MKUL — Molekule Group, Inc.
- MKZ-UN.TO — Mackenzie Master Limited Partnership
- MKZR — MacKenzie Realty Capital, Inc.
- ML — MoneyLion 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
- MLAAX — MainStay Large Cap Growth Fund Class A
- MLAB — Mesa Laboratories, Inc.
- MLAC — Mountain Lake Acquisition Corp. Class A
- MLACR — Mountain Lake Acquisition Corp.
- MLACU — Mountain Lake Acquisition Corp. Units
- MLACW — Malacca Straits Acquisition Company Limited
- MLAI — McLaren Technology Acquisition Corp.
- MLAIU — McLaren Technology Acquisition Corp.
- MLAIW — McLaren Technology Acquisition Corp.
- MLCI — Mount Logan Capital Inc. Common Stock
- MLCIL — Mount Logan Capital Inc. 8.00% Notes Due 2031
- MLCIX — BMO Large-Cap Growth Fund Class I
- MLCO — Melco Resorts & Entertainment Limited
- MLDR — Global X - Intermediate-Term Treasury Ladder ETF
- MLEC — Moolec Science S.A.
- MLECW — Moolec Science S.A.
- MLG — MetLife, 5.875% Senior Notes due 11/21/2033
- MLGO — MicroAlgo Inc.
- MLHR — MillerKnoll, Inc.
- MLI — Mueller Industries, Inc.
- MLKN — MillerKnoll, Inc.
- MLM — Martin Marietta Materials, Inc.
- MLND — Millendo Therapeutics, Inc.
- MLNK — MeridianLink, Inc.
- MLP — Maui Land & Pineapple Company, Inc.
- MLP.V — Millennial Potash Corp.
- MLPA — Global X - MLP ETF
- MLPAX — Invesco SteelPath MLP Alpha A
- MLPB — ETRACS Alerian MLP Infrastructure Index ETN Series B
- MLPC — C-Tracks Exchange-Traded Notes Based on the Performance of the Miller/Howard MLP Fundamental Index
- MLPD — Global X - MLP & Energy Infrastructure Covered Call ETF
- MLPE — C-Tracks ETNs on the Miller/Howard MLP Fundamental Index, Series B
- MLPG — UBS ETRACS Alerian Natural Gas MLP Index ETN
- MLPO — Credit Suisse S&P MLP Index ETN
- MLPPX — Tortoise MLP & Energy Infrastructure Fund Class Institutional
- MLPQ — UBS ETRACS 2xMonthly Leveraged Alerian MLP Infrastructure Index ETN SeriesB
- MLPR — ETRACS Quarterly Pay 1.5X Leveraged Alerian MLP Index ETN
- MLPS — UBS ETRACS 1xM Shrt Alrn MLP Infr TR ETN
- MLPX — Global X - MLP & Energy Infrastructure ETF
- MLPY — Morgan Stanley Cushing MLP High Income Index ETN
- MLPZ — UBS ETRACS 2xMonthly Leveraged S&P MLP Index ETN Series B
- MLR — Miller Industries, Inc.
- MLSS — Milestone Scientific Inc.
- MLTI — Credit Suisse X-Links Multi-Asset High Income ETN
- MLTX — MoonLake Immunotherapeutics
- MLVEX — BMO Low Volatility Equity Fund Class I
- MLVF — Malvern Bancorp, Inc.
- MLY.V — Multi-Metal Development Ltd.
- MLYS — Mineralys Therapeutics, Inc.
- MMA — Mixed Martial Arts Group Limited
- MMA.V — Midnight Sun Mining Corp.
- MMAC — MMA Capital Holdings, Inc.
- MMACX — MFS Moderate Allocation Fund Class C
- MMAT — Meta Materials Inc.
- MMC — Marsh & McLennan Companies, Inc.
- MMCA — NYLI MacKay California Muni Intermediate ETF
- MMCFX — AMG Veritas China Fund Class N
- MMD — NYLI MacKay DefinedTerm Muni Opportunities Fund Shs of Beneficial Interest
- MMDEX — Praxis Growth Index Fund Class I
- MMEAX — Victory Integrity Discovery Fund
- MMECX — Victory Integrity Discovery Fund Class C
- MMED — MiniMed Group, Inc. Common Stock
- MMERX — Victory Integrity Discovery Fund
- MMET.V — Miata Metals Corp.
- MMEYX — Victory Integrity Discovery Fund
- MMG.V — Metallic Minerals Corp.
- MMHEX — NYLI MacKay High Yield Muni Bond Fund Class R6
- MMI — Marcus & Millichap, Inc.
- MMIN — NYLI MacKay Muni Insured ETF
- MMIT — NYLI MacKay Muni Intermediate ETF
- MMK — State Street Prime Money Market ETF
- MMKT — Texas Capital Government Money Market ETF
- MMLG — First Trust Multi-Manager Large Growth ETF
- MMLP — Martin Midstream Partners L.P.
- MMM — 3M Company
