- Lands' End, Inc.
- Landsea Homes Corporation
- Landstar System, Inc.
- Lantern Pharma Inc.
- Lantheus Holdings, Inc.
- Lantronix, Inc.
- Larimar Therapeutics, Inc.
- Lark
- Las Vegas Sands Corp.
- Lase
- Laser Photonics Corporation
- Lasr
- Latg
- Latgu
- Latham Group, Inc.
- Lattice Semiconductor Corporation
- Laur
- Laureate Education, Inc.
- Law
- Laz
- Lazard Ltd
- Lazr
- Lbph
- Lbrda
- Lbrdk
- Lbrt
- Lbtya
- Lbtyb
- Lbtyk
- Lc
- Lcid
- Lcii
- Lcnb
- Lctx
- Lcut
- Lcw
- Ldi
- Ldos
- Ldwy
- Le
- LeMaitre Vascular, Inc.
- Lea
- Leadership Health Care Italia S.p.A.
- Leafly Holdings, Inc.
- Leap Therapeutics, Inc.
- Lear Corporation
- Leco
- Leds
- Lee
- Lee Enterprises, Incorporated
- Leg
- Legacy Housing Corporation
- LegalZoom.com, Inc.
- Leggett & Platt, Incorporated
- Legh
- Leidos Holdings, Inc.
- Len
- LendingClub Corporation
- LendingTree, Inc.
- Lennox International Inc.
- Lenz
- Lenz Therapeutics, Inc.
- Leonardo DRS, Inc.
- Lesl
- Leslie's, Inc.
- Leu
- Levi
- Levi Strauss & Co.
- Lexicon Pharmaceuticals, Inc.
- Lexx
- Lfcr
- Lfly
- Lfmd
- Lfst
- Lft
- Lfus
- Lfvn
- Lfwd
- Lgih
- Lgl
- Lgmk
- Lgnd
- Lgvn
- Lh
- Lhx
- Liberty Oilfield Services Inc.
- Lidr
- Lif
- LifeStance Health Group, Inc.
- LifeVantage Corporation
- Life Time Group Holdings, Inc.
- Lifecore Biomedical, Inc.
- Lifetime Brands, Inc.
- Lifeway Foods, Inc.
- Lifw
- Ligand Pharmaceuticals Incorporated
- LightPath Technologies, Inc.
- Light & Wonder, Inc.
- Lightbridge Corporation
- Lightwave Logic, Inc.
- Lii
- Lila
- Lilak
- Limbach Holdings, Inc.
- Limoneira Company
- Lin
- Linc
- Lincoln Educational Services Corporation
- Lind
- Lindsay Corporation
- Lineage Cell Therapeutics, Inc.
- Link
- Lipo
- Lipocine Inc.
- LiqTech International, Inc.
- Liqt
- Liquidia Corporation
- Liquidity Services, Inc.
- Lisata Therapeutics, Inc.
- Lite
- Lithia Motors, Inc.
- Littelfuse, Inc.
- LivaNova PLC
- Live
- LiveOne, Inc.
- LivePerson, Inc.
- LiveRamp Holdings, Inc.
- Live Nation Entertainment, Inc.
- Live Oak Bancshares, Inc.
- Live Ventures Incorporated
- Livn
- Lixt
- Lkfn
- Lkq
- Ll
- Llap
- Lly
- Llyva
- Llyvk
- Lmat
- Lmb
- Lmfa
- Lmnd
- Lmnr
- Lmt
- Lnc
- Lng
- Lnkb
- Lnn
- Lnsr
- Lnt
- Lnth
- Lnw
- Lnza
- Loan
- LoanDepot, Inc.
- Lob
- Lockheed Martin Corporation
- Locl
- Loco
- Lode
- Loews Corporation
- Logc
- Logi
- LogicBio Therapeutics, Inc.
- Logitech International S.A.
- Longboard Pharmaceuticals, Inc.
- Loop
- Loop Industries, Inc.
- Loop Media, Inc.
- Lope
- Louisiana-Pacific Corporation
- Love
- Low
- Lowe's Companies, Inc.
- Lpcn
- Lpg
- Lpla
- Lpro
- Lpsn
- Lpth
- Lptv
- Lptx
- Lpx
- Lqda
- Lqdt
- Lqr
- Lrcx
- Lrfc
- Lrhc
- Lrmr
- Lrn
- Lsak
- Lsbk
- Lscc
- Lsdi
- Lsea
- Lsf
- Lsh
- Lsta
- Lstr
- Ltbr
- Ltc
- Lth
- Ltrn
- Ltrx
- Ltry
- Lucd
- Lucid Diagnostics Inc.
- Lucy
- Lucy Scientific Discovery Inc.
- Lulu
- Lulu's Fashion Lounge Holdings, Inc.
- Lululemon athletica inc.
- Lumen Technologies, Inc.
- Lumentum Holdings Inc.
- Lumn
- Lumo
- Lumos Pharma, Inc.
- Luna
- Luna Innovations Incorporated
- Lung
- Lunr
- Luv
- LuxHealth, Inc.
- Luxfer Holdings PLC
- Luxh
- Lvlu
- Lvo
- Lvs
- Lvwr
- Lw
- Lway
- Lwlg
- Lxeo
- Lxfr
- Lxp
- Lxrx
- Lxu
- Lyb
- Lyel
- Lyell Immunopharma, Inc.
- Lyft
- Lyft, Inc.
- Lyra
- Lyra Therapeutics, Inc.
- Lyts
- Lyv
- Lz
- Lzb
- M
- M-tron Industries, Inc.
- MA
- MAA
- MAA (MAA, MAA)
- MAC
- MACOM Technology Solutions Holdings, Inc.
- MAIA
- MAIN
- MAIN (MAIN, MAIN)
- MAMA
- MAMO
- MAN
- MANH
- MAPS
- MAPS (MAPS, MAPS)
- MAR
- MARA
- MARPS
- MARX
- MARXU
- MARXU (MARXU, MARXU)
- MARX (MARX, MARX)
- MAS
- MASI
- MASS
- MAT
- MATV
- MATW
- MATX
- MAX
- MAYS
- MBC
- MBCN
- MBI
- MBIA
- MBIA (MBIA Inc., MBI)
- MBIA Inc.
- MBIN
- MBIN (MBIN, MBIN)
- MBIO
- MBLY
- MBOT
- MBRX
- MBUU
- MBWM
- MC
- MCAA
- MCAAU
- MCAAU (MCAAU, MCAAU)
- MCAA (MCAA, MCAA)
- MCAG
- MCAGU
- MCAGU (MCAGU, MCAGU)
- MCAG (MCAG, MCAG)
- MCB
- MCBC
- MCBS
- MCB Wealth Management
- MCB 웰스 매니지먼트
- MCB 웰스 매니지먼트 (MCB Wealth Management, MBC)
- MCD
- MCFT
- MCHP
- MCHX
- MCK
- MCO
- MCRB
- MCRI
- MCS
- MCVT
- MCW
- MCY
- MD
- MDAI
- MDAI (MDAI, MDAI)
- MDB
- MDBH
- MDGL
- MDIA
- MDLZ
- MDRR
- MDRR (MDRR, MDRR)
- MDT
- MDU
- MDU Resources Group, Inc.
- MDU 리소스 그룹
- MDU 리소스 그룹 (MDU Resources Group, Inc., MDU)
- MDV
- MDV (MDV, MDV)
- MDXG
- ME
- MEC
- MED
- MEDP