- ARQQW — Arqit Quantum Inc.
- ARQT — Arcutis Biotherapeutics, Inc.
- ARR — ARMOUR Residential REIT, Inc.
- ARR.AX — American Rare Earths Limited
- ARREF — Amerigo Resources Ltd.
- ARRJF — Arjo AB (publ)
- ARRKF — Arras Minerals Corp.
- ARRNF — American Rare Earths Limited
- ARRPY — Aeroports de Paris S.A.
- ARRRF — Ardea Resources Limited
- ARRT — Artisan Consumer Goods, Inc.
- ARRXF — Archer Materials Limited
- ARRY — Array Technologies, Inc.
- ARS.CN — Ares Strategic Mining Inc.
- ARSC — Bitcoin Crypto Currency Exchange Corporation
- ARSEF — Altai Resources Inc.
- ARSLF — Altima Resources Ltd.
- ARSMF — Ares Strategic Mining Inc.
- ARSUF — Fagron N.V.
- ART.AX — Airtasker Limited
- ARTCU — Art Technology Acquisition Corp. Units
- ARTCW — Art Technology Acquisition Corp.
- ARTG.V — Artemis Gold Inc.
- ARTL — Artelo Biosciences, Inc.
- ARTM — American Nortel Communications, Inc.
- ARTNA — Artesian Resources Corporation
- ARTNB — Artesian Resources Corporation
- ARTR — AirTrona International, Inc.
- ARTTF — Artemis Resources Limited
- ARTV — Artiva Biotherapeutics, Inc.
- ARTW — Art's-Way Manufacturing Co., Inc.
- ARTY — iShares Future AI Tech ETF
- ARU.AX — Arafura Rare Earths Limited
- ARU.V — Aurania Resources Ltd.
- ARUXF — Acrux Limited
- ARV.AX — Artemis Resources Limited
- ARVLF — Arrival
- ARVN — Arvinas, Inc.
- ARVR — First Trust Indxx Metaverse ETF
- ARVY — Alliance Recovery Corporation
- ARW — Arrow Electronics, Inc.
- ARWD — Arrow Resources Development, Inc.
- ARWG — Archer Growth ETF
- ARWR — Arrowhead Pharmaceuticals, Inc.
- ARWY.CN — Arway Corporation
- ARWYF — Arway Corporation
- ARX — Accelerant Holdings
- ARX.AX — Aroa Biosurgery Limited
- ARX.TO — ARC Resources Ltd.
- ARXRF — Imagine Lithium Inc.
- ARXS — Arxis, Inc. Class A Common Stock
- ARYC — Arrayit Corporation
- ARYMF — Argosy Minerals Limited
- ARYX — ARYx Therapeutics, Inc.
- ARZGF — Assicurazioni Generali S.p.A.
- ARZGY — Assicurazioni Generali S.p.A.
- ARZTF — Aryzta AG
- ARZTY — Aryzta AG
- AS — Amer Sports, Inc.
- AS1.AX — Asara Resources Limited
- AS2.AX — Askari Metals Limited
- ASAAF — AT & S Austria Technologie & Systemtechnik AG
- ASAGF — Australian Agricultural Company Limited
- ASAIY — Sendas Distribuidora S.A.
- ASAN — Asana, Inc.
- ASAPF — Aurora Spine Corporation
- ASAPQ — Waitr Holdings Inc.
- ASAZF — ASSA ABLOY AB (publ)
- ASAZY — ASSA ABLOY AB (publ)
- ASB — Associated Banc-Corp
- ASB.AX — Austal Limited
- ASBA — Associated Banc-Corp
- ASBFF — Associated British Foods plc
- ASBFY — Associated British Foods plc
- ASBP — Aspire Biopharma Holdings, Inc.
- ASBPW — Aspire Biopharma Holdings, Inc.
- ASBRF — Asahi Group Holdings, Ltd.
- ASC — Ardmore Shipping Corporation
- ASCBF — A SPAC II Acquisition Corp.
- ASCC — Aristocrat Group Corp.
- ASCCF — ASICS Corporation
- ASCCY — ASICS Corporation
- ASCE — Allspring SMID Core ETF
- ASCI — abrdn International Small Cap Active ETF
- ASCK — Auscrete Corporation
- ASCLF — Ascletis Pharma Inc.
- ASCN — Absecon Bancorp
- ASCOF — Ascopiave S.p.A.
- ASD — Defiance Autism Impact ETF
- ASDZF — Arctic Star Exploration Corp.
- ASE.V — Asante Gold Corporation
- ASEA — Global X - FTSE Southeast Asia ETF
- ASEC — American Century Securitized Credit ETF
- ASEJF — APT Satellite Holdings Limited
- ASEKF — Aisin Corporation
- ASEKY — Aisin Corporation
- ASEP.CN — Asep Medical Holdings Inc
- ASFH — AsiaFIN Holdings Corp.
- ASFT — AppSoft Technologies, Inc.
- ASFX — American Scientific Resources, Incorporated
