- Iron
- Iron Mountain Incorporated
- Iroq
- Irt
- Irtc
- Irwd
- Isdr
- Ispc
- Ispire Technology Inc.
- Ispo
- Ispr
- Isrg
- Isrl
- Isrlu
- Issc
- Issuer Direct Corporation
- Istr
- It
- Iterum Therapeutics plc
- Itgr
- Iti
- Itic
- Itos
- Itp
- Itri
- Itrm
- Itron, Inc.
- Itt
- Itw
- Ivac
- Ivca
- Ivcau
- Ivcb
- Ivcbu
- Ivcp
- Ivcpu
- Ivda
- Ivp
- Ivr
- Ivt
- Ivvd
- Ivz
- Ixhl
- Izea
- J
- J&J Snack Foods Corp.
- J.B. Hunt Transport Services, Inc.
- J.W. Mays, Inc.
- J.W. 메이즈
- J.W. 메이즈 (J.W. Mays, Inc., MAYS)
- J. Jill, Inc.
- JACK
- JAGX
- JAKK
- JAKKS Pacific, Inc.
- JAMF
- JAN
- JANX
- JAZZ
- JBGS
- JBG SMITH Properties
- JBG 스미스 프로퍼티즈
- JBG 스미스 프로퍼티즈 (JBG SMITH Properties, JBGS)
- JBHT
- JBI
- JBI (JBI, JBI)
- JBL
- JBLU
- JBSS
- JBT
- JCI
- JCTCF
- JEF
- JELD
- JEWL
- JFrog Ltd.
- JHG
- JILL
- JJSF
- JKHY
- JLL
- JMSB
- JNJ
- JNPR
- JNVR
- JOB
- JOBY
- JOBY (JOBY, JOBY)
- JOE
- JOUT
- JPM
- JPM (JPM, JPM)
- JRSH
- JRVR
- JSPR
- JSPR (JSPR, JSPR)
- JTAI
- JTAI (JTAI, JTAI)
- JVA
- JVSA
- JVSAU
- JVSAU (JVSAU, JVSAU)
- JVSA (JVSA, JVSA)
- JWN
- JWSM
- JWSM (JWSM, JWSM)
- JXN
- JXN (JXN, JXN)
- JYNT
- Jabil Inc.
- Jack
- Jack Henry & Associates, Inc.
- Jack in the Box Inc.
- Jacobs Engineering Group Inc.
- Jaguar Health, Inc.
- Jagx
- Jakk
- James River Group Holdings, Ltd.
- Jamf
- Jamf Holding Corp.
- Jan
- JanOne Inc.
- Janover Inc.
- Janus Henderson Group plc
- Janux Therapeutics, Inc.
- Janx
- Jazz
- Jazz Pharmaceuticals plc
- Jbgs
- Jbht
- Jbi
- Jbl
- Jblu
- Jbss
- Jbt
- Jci
- Jctcf
- Jef
- Jefferies Financial Group Inc.
- Jeld
- Jeld-Wen Holding, Inc.
- Jerash Holdings (US), Inc.
- JetBlue Airways Corporation
- Jewett-Cameron Trading Company
- Jewl
- Jhg
- Jill
- Jjsf
- Jkhy
- Jll
- Jmsb
- Jnj
- Jnpr
- Jnvr
- Job
- Joby
- Joe
- John B. Sanfilippo & Son, Inc.
- John Bean Technologies Corporation
- John Marshall Bancorp, Inc.
- Johnson & Johnson
- Johnson Controls International plc
- Johnson Outdoors Inc.
- Jones Lang LaSalle Incorporated
- Journey Medical Corporation
- Jout
- Jpm
- Jrvr
- Jspr
- Jtai
- Juniper Networks, Inc.
- Jva
- Jvsa
- Jvsau
- Jwn
- Jwsm
- Jxn
- Jynt
- J프로그
- J프로그 (JFrog Ltd., FROG)
- K
- KA
- KACL
- KACLU
- KACLU (KACLU, KACLU)
- KACL (KACL, KACL)
- KAI
- KALA
- KALU
- KALV
- KAR
- KAR Auction Services, Inc.
- KAR 옥션 서비스
- KAR 옥션 서비스 (KAR Auction Services, Inc., KAR)
- KAVL
- KBH
- KBR
- KBR, Inc.
- KBR (KBR, Inc., KBR)
- KB Home
- KB 홈
- KB 홈 (KB Home, KBH)
- KD
- KDP
- KE
- KELYA
- KELYA (KELYA, KELYA)
- KELYB
- KELYB (KELYB, KELYB)
- KEQU
- KEX
- KEY
- KEYS
- KEY (KEY, KEY)
- KFFB
- KFRC
- KFS
- KFY
- KGS
- KHC
- KIDS
- KIM
- KIM (KIM, KIM)
- KIND
- KINS
- KIRK
- KITT
- KITT (KITT, KITT)
- KKR
- KKR (KKR, KKR)
- KLAC
- KLA Corporation
- KLA 코퍼레이션
- KLA 코퍼레이션 (KLA Corporation, KLAC)
- KLG
- KLIC
- KLTR
- KLXE
- KLX Energy Services Holdings, Inc.
- KLX 에너지 서비스 홀딩스, 인코퍼레이티드
- KLX 에너지 서비스 홀딩스, 인코퍼레이티드 (KLX Energy Services Holdings, Inc., KLXE)
- KMB
- KMI
- KMI (KMI, KMI)
- KMPR
- KMPR (KMPR, KMPR)
- KMT
- KMX
- KN
- KNDI
- KNF
- KNSA
- KNSL
- KNTK
- KNTK (KNTK, KNTK)
- KNW
- KNX
- KO
- KOD
- KODK
- KOP
- KORE
- KORE (KORE, KORE)
- KOS
- KOSS
- KPLT
- KPLT (KPLT, KPLT)
- KPRX
- KPRX (KPRX, KPRX)
- KPTI
- KR
- KRC
- KRC (KRC, KRC)
- KREF
- KREF (KREF, KREF)
- KRG
- KRG (KRG, KRG)
- KRMD
- KRNY
- KRO
- KRON
- KROS
- KRP
- KRRO
- KRT
- KRUS
- KRYS
- KSCP
- KSS
- KTB
- KTCC
- KTOS
- KTRA
- KTTA
- KTTA (KTTA, KTTA)
- KULR
- KULR Technology Group, Inc.
- KURA
- KVAC
- KVACU
- KVACU (KVACU, KVACU)
- KVAC (KVAC, KVAC)
- KVHI
- KVH Industries, Inc.
- KVH 인더스트리즈, 인코퍼레이티드
- KVH 인더스트리즈, 인코퍼레이티드 (KVH Industries, Inc., KVHI)
- KVUE
- KVYO
- KW
- KWR
- KW (KW, KW)
- KYMR
- KYTX
- KZR
- Ka
- Kacl
- Kaclu
- Kadant Inc.
- Kai
- Kaiser Aluminum Corporation
- Kaival Brands Innovations Group, Inc.
- KalVista Pharmaceuticals, Inc.
- Kala
- Kala Pharmaceuticals, Inc.
- Kaltura Inc.
- Kalu
- Kalv
- Kandi Technologies Group, Inc.
- Kar
- Karat Packaging Inc.
- Karyopharm Therapeutics Inc.
- Kavl
- Kbh
- Kbr
- Kd
- Kdp
- Ke
- Kearny Financial Corp.
- Kellogg Company
- Kelya
- Kelyb
- Kennametal Inc.
- Kentucky First Federal Bancorp
- Kenvue Inc.
- Kequ