| ASMB | Assembly Biosciences, Inc. | Healthcare | $469M | — | 0 |
| ASB-PF | Associated Banc-Corp | Financial Services | $5.7B | — | 0 |
| ACGP | Associated Capital Group, Inc. | Financial Services | $698M | — | 0 |
| AIZN | Assurant, Inc. 5.25% Subordinat | Financial Services | $14.2B | — | 0 |
| AGO | Assured Guaranty Ltd. | Financial Services | $3.0B | — | 0 |
| ASTS | AST SpaceMobile, Inc. | Communication Services | $24.8B | — | 0 |
| ASTE | Astec Industries, Inc. | Industrials | $933M | — | 0 |
| ALAB | Astera Labs, Inc. Common Stock | Technology | $61.8B | — | 0 |
| ASTH | Astrana Health, Inc. | Healthcare | $1.7B | — | 0 |
| AZN | AstraZeneca PLC | Healthcare | $255B | — | 0 |
| ATROB | Astronics Corporation | Industrials | $2.5B | — | 0 |
| ASTC | Astrotech Corporation | Industrials | $14.4M | — | 0 |
| ASUR | Asure Software, Inc. | Technology | $228M | — | 0 |
| T-PC | AT&T Inc. | Communication Services | $155B | — | 0 |
| AACG | ATA Creativity Global | Consumer Defensive | $13.1M | — | 0 |
| ACRL | Atacama Resources International, Inc. | Basic Materials | $2.2M | — | 0 |
| ATRA | Atara Biotherapeutics, Inc. | Healthcare | $76.9M | — | 0 |
| AVIR | Atea Pharmaceuticals, Inc. | Healthcare | $414M | — | 0 |
| ASIC | Ategrity Specialty Holdings LLC | Financial Services | $1.3B | — | 0 |
| ATER | Aterian, Inc. | Consumer Cyclical | $7.3M | — | 0 |
| ABIT | Athena Bitcoin Global | Financial Services | $0.4M | — | 0 |
| AHNRF | Athena Gold Corporation | Basic Materials | $15.2M | — | 0 |
| ATEKW | Athena Technology Acquisition Corp. II | — | — | — | 0 |
| ATH-PE | Athene Holding Ltd. | Financial Services | $5.1B | — | 0 |
| ATI | ATI Inc. | Industrials | $25.4B | — | 0 |