| IRAB-UN | Iris Acquisition Corp II | — | — | — | 0 |
| IDACU | Iron Dome Acquisition I Corp. Units | Financial Services | $204M | — | 0 |
| IRHOU | Iron Horse Acquisition II Corp. | — | — | — | 0 |
| IRM | Iron Mountain Incorporated | Real Estate | $33.9B | — | 0 |
| IRWD | Ironwood Pharmaceuticals, Inc. | Healthcare | $690M | — | 0 |
| IRS | IRSA Inversiones y Representaciones Sociedad Anónima | Real Estate | $1.1B | — | 0 |
| IRVRF | Irving Resources Inc. | Basic Materials | $19.1M | — | 0 |
| ISBA | Isabella Bank Corporation | Financial Services | $274M | — | 0 |
| IBIT | iShares Bitcoin Trust ETF | — | — | — | 0 |
| ETHA | iShares Ethereum Trust ETF | — | — | — | 0 |
| IAU | iShares Gold Trust | — | — | — | 0 |
| IAUM | iShares Gold Trust Micro | — | — | — | 0 |
| ISMCF | iShares S&P GSCI Commodity-Indexed Trust | — | — | — | 0 |
| SLV | iShares Silver Trust | Financial Services | $31.0B | — | 0 |
| ETHB | iShares Staked Ethereum Trust ETF | — | — | — | 0 |
| ISOU | IsoEnergy Ltd. | Energy | $733M | — | 0 |
| ISPC | iSpecimen Inc. | Healthcare | $0.2M | — | 0 |
| ISPR | Ispire Technology Inc. | Consumer Defensive | $75.2M | — | 0 |
| ISLWF | Israel Acquisitions Corp. | — | — | — | 0 |
| ISFFF | Iss A/S | Industrials | $6.7B | — | 0 |
| ITP | IT Tech Packaging, Inc. | Basic Materials | $2.6M | — | 0 |
| ITUB | Itaú Unibanco Holding S.A. | Financial Services | $87.7B | — | 0 |
| ITG | ITG Inc. | Industrials | $1.3B | — | 0 |
| ITHLF | Ithaca Energy PLC/ADR | — | — | — | 0 |
| ITHAW | ITHAX Acquisition Corp. | Financial Services | $175M | — | 0 |