- IQM — Franklin Intelligent Machines ETF
- IQMM — ProShares - GENIUS Money Market ETF
- IQMX — IQM Quantum Computers Oyj
- IQMXW — IQM Quantum Computers Oyj
- IQQ — iShares Nasdaq 100 ETF
- IQQQ — ProShares - Nasdaq-100 High Income ETF
- IQSI — NYLI Candriam International Equity ETF
- IQSM — NYLI Candriam U.S. Mid Cap Equity ETF
- IQST — iQSTEL Inc.
- IQSU — NYLI Candriam U.S. Large Cap Equity ETF
- IQSZ — Invesco Global Equity Net Zero ETF
- IQV — IQVIA Holdings Inc.
- IR — Ingersoll Rand Inc.
- IRAB — Iris Acquisition Corp II
- IRBL — InRob Tech Ltd.
- IRCKF — Inter-Rock Minerals Inc.
- IRCUF — Irish Continental Group plc
- IRD — Opus Genetics, Inc.
- IRD.AX — Iron Road Limited
- IRDEF — Iren S.p.A.
- IRDEY — Iren S.p.A.
- IRDM — Iridium Communications Inc.
- IRE — Daily Target 2X Long IREN ETF
- IRE.AX — Iress Limited
- IREG — Leverage Shares 2x Long IREN Daily ETF
- IREHF — Integrated Research Limited
- IREN — IREN Limited
- IREZ — Tradr 2X Short IREN Daily ETF
- IRHO — Iron Horse Acquisitions II Corp. Common Stock
- IRHOR — Iron Horse Acquisitions Corp. II Rights
- IRHOU — Iron Horse Acquisitions Corp. II Units
- IRI.AX — Integrated Research Limited
- IRICF — Isras Investment Company Ltd
- IRIDQ — Iridium World Communications Ltd.
- IRIG — Integrated Drilling Equipment Holdings Corp.
- IRIX — IRIDEX Corporation
- IRLCF — Israel Corporation Ltd
- IRLTF — Bally's Intralot S.A.
- IRM — Iron Mountain Incorporated
- IRMD — IRadimed Corporation
- IRME — IR-Med Inc.
- IRNRF — Iron Road Limited
- IRNS — Ironstone Properties, Inc.
- IROC — Invesco Rochester High Yield Municipal ETF
- IRON — Disc Medicine, Inc.
- IRPSY — IRPC Public Company Limited
- IRRHF — Interroll Holding AG
- IRS — IRSA Inversiones y Representaciones Sociedad Anónima
- IRT — Independence Realty Trust, Inc.
- IRTC — iRhythm Technologies, Inc.
- IRTR — iShares LifePath Retirement ETF
- IRV.CN — Irving Resources Inc.
- IRVH — Global X - Interest Rate Volatility & Inflation Hedge ETF
- IRVRF — Irving Resources Inc.
- IRWD — Ironwood Pharmaceuticals, Inc.
- IS.TO — Infrastructure Dividend Split Corp.
- IS3.AX — I Synergy Group Limited
- ISBA — Isabella Bank Corporation
- ISBG — IncomeSTKd 1x Bitcoin & 1x Gold Premium ETF
- ISCB — iShares Morningstar Small-Cap ETF
- ISCF — iShares International Small-Cap Equity Factor ETF
- ISCG — iShares Morningstar Small-Cap Growth ETF
- ISCNF — Isracann Biosciences Inc.
- ISCO — International Stem Cell Corporation
- ISCV — iShares Morningstar Small-Cap Value ETF
- ISDAF — Israel Discount Bank Limited
- ISDAY — Israel Discount Bank Limited
- ISDSF — iSIGN Media Solutions Inc.
- ISEC.AX — iShares Enhanced Cash ETF
- ISEP — Intl Developed Power Buffer ETF
- ISEYF — Wi2Wi Corporation
- ISFFF — ISS A/S
- ISFT.CN — ICEsoft Technologies Canada Corp.
- ISGIF — InsuraGuest Technologies Inc.
- ISHG — iShares 1-3 Year International Treasury Bond ETF
- ISHI — Islet Holdings, Inc.
- ISHM — InfoSearch Media, Inc.
- ISHP — First Trust S-Network E-Commerce ETF
- ISIF.TO — IA Clarington Strategic Income Fund
- ISLV — International Silver, Inc.
- ISMAF — Indra Sistemas, S.A.
- ISMAY — Indra Sistemas, S.A.
- ISMCF — iShares MSCI USA UCITS ETF
- ISMD — Inspire Small/Mid Cap ETF
- ISNPY — Intesa Sanpaolo S.p.A.
- ISNR — Snow Rothschild Acquisition Corp.
- ISNRU — Snow Rothschild Acquisition Corp. Units
- ISNRW — Snow Rothschild Acquisition Corp. Warrants
- ISO.AX — iShares S&P/ASX Small Ordinaries ETF
- ISOL — 1mage Software, Inc.
- ISOLF — Isodiol International Inc.
- ISOU — IsoEnergy Ltd.
- ISP.CN — Inspiration Energy Corp.
- ISPC — iSpecimen Inc.
- ISPR — Ispire Technology Inc.
- ISPY — ProShares - S&P 500 High Income ETF
- ISRA — VanEck Israel ETF
- ISRG — Intuitive Surgical, Inc.
- ISRJF — ReGen III Corp.
- ISRLF — Israel Acquisitions Corp.
