| ACCL | Acco Group Holdings Limited | Industrials | $38.5M | — | 0 |
| ASII | Accredited Solutions Inc | Consumer Defensive | $0.4M | — | 0 |
| ARAY | Accuray Incorporated | Healthcare | $27.4M | — | 0 |
| ACUT | Accustem Sciences Inc. | Healthcare | $2.6M | — | 0 |
| ACHV | Achieve Life Sciences, Inc. | Healthcare | $834M | — | 0 |
| AAQL | Achison Inc. | — | — | — | 0 |
| ACIW | ACI Worldwide, Inc. | Technology | $5.0B | — | 0 |
| ACONW | Aclarion, Inc. | Healthcare | $0.0M | — | 0 |
| ACRS | Aclaris Therapeutics, Inc. | Healthcare | $735M | — | 0 |
| ACMR | ACM Research, Inc. | Technology | $4.9B | — | 0 |
| ACU | Acme United Corporation | Consumer Defensive | $242M | — | 0 |
| ACNB | ACNB Corporation | Financial Services | $647M | — | 0 |
| ACFN | Acorn Energy, Inc. | Technology | $52.0M | — | 0 |
| ACGCW | ACP Holdings Acquisition Corp. | — | — | — | 0 |
| ACR-PD | ACRES Commercial Realty Corp. | Real Estate | $111M | — | 0 |
| ACRV | Acrivon Therapeutics, Inc. Common Stock | Healthcare | $92.0M | — | 0 |
| ACBM | Acro Biomedical Co., Ltd. | Healthcare | $1.6M | — | 0 |
| ASNS | Actelis Networks, Inc. | Technology | $1.0M | — | 0 |
| ATNM | Actinium Pharmaceuticals, Inc. | Healthcare | $38.0M | — | 0 |
| AEAQU | Activate Energy Acquisition Corp. Unit | Financial Services | $241M | — | 0 |
| ACTU | Actuate Therapeutics Inc | Healthcare | $19.3M | — | 0 |
| AYI | Acuity Brands, Inc. | Industrials | $9.3B | — | 0 |
| ILLMF | AcuityAds Holdings Inc. | — | — | — | 0 |
| ABOS | Acumen Pharmaceuticals, Inc. | Healthcare | $191M | — | 0 |
| ACXP | Acurx Pharmaceuticals, Inc. | Healthcare | $5.7M | — | 0 |