- Prothena Corporation plc
- Proto Labs, Inc.
- Prov
- Provident Bancorp, Inc.
- Provident Financial Holdings, Inc.
- Provident Financial Services, Inc.
- Prph
- Prpl
- Prpo
- Prso
- Prta
- Prth
- Prts
- Pru
- Prva
- Psa
- Psbd
- Psec
- Psmt
- Psn
- Psnl
- Psqh
- Pstg
- Pstl
- Pstv
- Pstx
- Psx
- PsyBio Therapeutics Corp.
- Psychemedics Corporation
- Ptc
- Ptct
- Pten
- Ptgx
- Ptix
- Ptlo
- Ptmn
- Ptn
- Pton
- Ptpi
- Ptsi
- Ptve
- Ptwo
- PubMatic, Inc.
- Public Service Enterprise Group Incorporated
- Pubm
- Pulm
- Pulmatrix, Inc.
- Pulmonx Corporation
- Pulse Biosciences, Inc.
- PulteGroup, Inc.
- Puma Biotechnology, Inc.
- Pump
- Pure Cycle Corporation
- Pure Storage, Inc.
- Pvbc
- Pvh
- Pw
- Pwfl
- Pwod
- Pwp
- Pwr
- Pwsc
- Pwup
- Pwupu
- Px
- Pxlw
- Pycr
- Pypl
- Pyxis Oncology, Inc.
- Pyxs
- Pzg
- Pzza
- Q2 Holdings, Inc.
- QBTS
- QBTS (QBTS, QBTS)
- QCOM
- QCRH
- QCR Holdings, Inc.
- QCR 홀딩스
- QCR 홀딩스 (QCR Holdings, Inc., QCRH)
- QDEL
- QETA
- QETAU
- QETAU (QETAU, QETAU)
- QETA (QETA, QETA)
- QLGN
- QLYS
- QMCO
- QMCO (QMCO, QMCO)
- QNCX
- QNRX
- QNRX (QNRX, QNRX)
- QNST
- QOMO
- QOMOU
- QOMOU (QOMOU, QOMOU)
- QOMO (QOMO, QOMO)
- QRHC
- QRTEA
- QRTEA (QRTEA, QRTEA)
- QRTEB
- QRTEB (QRTEB, QRTEB)
- QRVO
- QS
- QSI
- QSI (QSI, QSI)
- QSR
- QS (QS, QS)
- QTI
- QTI (QTI, QTI)
- QTRX
- QTTB
- QTWO
- QUAD
- QUALCOMM Incorporated
- QUBT
- QUIK
- QURE
- QXO
- Qbts
- Qcom
- Qcrh
- Qdel
- Qeta
- Qetau
- Qlgn
- Qlys
- Qmco
- Qncx
- Qnrx
- Qnst
- Qomo
- Qomou
- Qomplx, Inc.
- Qorvo, Inc.
- Qrhc
- Qrtea
- Qrteb
- Qrvo
- Qs
- Qsi
- Qsr
- Qti
- Qtrx
- Qttb
- Qtwo
- Quad
- Quad/Graphics, Inc.
- Quaker Houghton
- Qualigen Therapeutics, Inc.
- Qualys, Inc.
- Quanex Building Products Corporation
- Quanta Services, Inc.
- Quanterix Corporation
- Quantum Computing Inc.
- Qubt
- Quest Diagnostics Incorporated
- Quest Resource Holding Corporation
- QuickLogic Corporation
- QuidelOrtho Corporation
- Quik
- QuinStreet, Inc.
- Quince Therapeutics, Inc.
- Quotient Technology Inc.
- Qure
- Qxo
- R
- R1 RCM
- R1 RCM (R1 RCM Inc., RCM)
- R1 RCM Inc.
- RAIL
- RAMP
- RAND
- RANI
- RAPT
- RAPT Therapeutics, Inc.
- RARE
- RAVE
- RBA
- RBB
- RBBN
- RBB Bancorp
- RBB 반코프
- RBB 반코프 (RBB Bancorp, RBB)
- RBC
- RBCAA
- RBC (RBC, RBC)
- RBKB
- RBLX
- RBOT
- RBOT (RBOT, RBOT)
- RC
- RCAT
- RCEL
- RCFA
- RCFA (RCFA, RCFA)
- RCI Hospitality Holdings, Inc.
- RCI 호스피탤리티 홀딩스
- RCI 호스피탤리티 홀딩스 (RCI Hospitality Holdings, Inc., RICK)
- RCKT
- RCKT (RCKT, RCKT)
- RCKY
- RCL
- RCM
- RCMT
- RCM Technologies, Inc.
- RCM 테크놀로지스
- RCM 테크놀로지스 (RCM Technologies, Inc., RCMT)
- RCUS
- RC (RC, RC)
- RDFN
- RDI
- RDIB
- RDIB (RDIB, RDIB)
- RDI (RDI, RDI)
- RDN
- RDNT
- RDUS
- RDVT
- RDW
- RDW (RDW, RDW)
- RDZN
- RDZN (RDZN, RDZN)
- RE/MAX Holdings, Inc.
- REAL
- REBN
- REFI
- REFR
- REG
- REGENXBIO Inc.
- REGN
- REG (REG, REG)
- REI
- RELI
- RELI (RELI, RELI)
- RELL
- RELY
- RENB
- RENE
- RENEU
- RENEU (RENEU, RENEU)
- RENE (RENE, RENE)
- RENT
- REPL
- REPX
- RES
- REVB
- REVB (REVB, REVB)
- REVG
- REV Group, Inc.
- REV 그룹
- REV 그룹 (REV Group, Inc., REVG)
- REX
- REXR
- REXR (REXR, REXR)
- REX American Resources Corporation
- REX 아메리칸 리소스 코퍼레이션
- REX 아메리칸 리소스 코퍼레이션 (REX American Resources Corporation, REX)
- REYN
- RF
- RFAC
- RFACU
- RFACU (RFACU, RFACU)
- RFAC (RFAC, RFAC)
- RFIL
- RFL
- RF (RF, RF)
- RF Industries, Ltd.
- RF 인더스트리스
- RF 인더스트리스 (RF Industries, Ltd., RFIL)
- RGA
- RGA (RGA, RGA)
- RGCO
- RGC Resources, Inc.
- RGC 리소스
- RGC 리소스 (RGC Resources, Inc., RGCO)
- RGEN
- RGF
- RGLD
- RGLS
- RGNX
- RGP
- RGR
- RGS
- RGTI
- RGTI (RGTI, RGTI)
- RH
- RHE
- RHE (RHE, RHE)
- RHI
- RHP
- RH (formerly Restoration Hardware)
- RH (구 레스토레이션 하드웨어)
- RH (구 레스토레이션 하드웨어) (RH (formerly Restoration Hardware), RH)
- RICK
- RIG
- RIGL
- RILY
- RILY (RILY, RILY)
- RIOT
- RITM
- RITM (RITM, RITM)
- RIVN
- RJF
- RJF (RJF, RJF)
- RKDA
- RKLB
- RKLB (RKLB, RKLB)
- RKT
- RL
- RLAY
- RLGT
- RLGT (RLGT, RLGT)
- RLI
- RLI Corp.
- RLJ
- RLJ (RLJ, RLJ)
- RLMD
- RLYB
- RM
- RMAX
- RMBI
- RMBL
- RMBS
- RMCF
- RMCO
- RMCO (RMCO, RMCO)
- RMD
- RMNI
- RMNI (RMNI, RMNI)
- RMR
- RMTI
- RNA
- RNAC
- RNAZ
- RNG
- RNGR
- RNLX
- RNR
- RNR (RNR, RNR)
- RNST
- RNXT
- ROAD
- ROCK
- ROCL