| ACIU | AC Immune SA - Common Stock | | |
| ACIW | ACI Worldwide, Inc. - Common Stock | | |
| ACLS | Axcelis Technologies, Inc. - Common Stock | | |
| ACMR | ACM Research, Inc. - Class A Common Stock | | |
| ACNB | ACNB Corporation - Common Stock | | |
| ACNT | Ascent Industries Co. - Common Stock | | |
| ACOG | Alpha Cognition Inc. - Common Stock | | |
| ACON | Aclarion, Inc. - Common Stock | | |
| ACONW | Aclarion, Inc. - Warrant | | |
| ACRS | Aclaris Therapeutics, Inc. - Common Stock | | |
| ACRV | Acrivon Therapeutics, Inc. - Common Stock | | |
| ACT | Enact Holdings, Inc. - Common Stock | | |
| ACTG | Acacia Research Corporation - Common Stock | | |
| ACTU | Actuate Therapeutics, Inc. - Common stock | D | |
| ACXP | Acurx Pharmaceuticals, Inc. - Common Stock | | |
| ADAC | American Drive Acquisition Company - Class A Ordinary Shares | | |
| ADACU | American Drive Acquisition Company - Units | | |
| ADACW | American Drive Acquisition Company - Warrant | | |
| ADAG | Adagene Inc. - ADS, each representing 1.25 ordinary shares | | |
| ADAM | Adamas Trust, Inc. - Common Stock | | |
| ADAMG | Adamas Trust, Inc. - 9.125% Senior Notes Due 2030 | | |
| ADAMH | Adamas Trust, Inc. - 9.875% Senior Notes Due 2030 | | |
| ADAMI | Adamas Trust, Inc. - 9.125% Senior Notes Due 2029 | | |
| ADAMK | Adamas Trust, Inc. - 9.600% Senior Notes Due 2031 | | |
| ADAML | Adamas Trust, Inc. - 6.875% Series F Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock, $0.01 par value per share | | |
| ADAMM | Adamas Trust, Inc. - 7.875% Series E Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock | | |
| ADAMN | Adamas Trust, Inc. - 8.00% Series D Fixed-to-Floating Rate Cumulative Redeemable Preferred Stock | | |
| ADAMO | Adamas Trust, Inc. - 9.250% Senior Notes Due 2031 | | |
| ADAMZ | Adamas Trust, Inc. - 7.000% Series G Cumulative Redeemable Preferred Stock, $0.01 par value per share | | |
| ADBE | Adobe Inc. - Common Stock | | SP500 |
| ADBT | Advasa Holdings, Inc. - Common stock | | |
| ADEA | Adeia Inc. - Common Stock | | |
| ADGM | Adagio Medical Holdings, Inc - Common Stock | D | |
| ADI | Analog Devices, Inc. - Common Stock | | SP500 |
| ADIL | Adial Pharmaceuticals, Inc - Common Stock | D | |
| ADMA | ADMA Biologics Inc - Common Stock | | |
| ADP | Automatic Data Processing, Inc. - Common Stock | | SP500 |
| ADPT | Adaptive Biotechnologies Corporation - Common Stock | | |
| ADRX | ADARx Pharmaceuticals, Inc. - Common stock | | |
| ADSE | ADS-TEC ENERGY PLC - Ordinary Shares | | |
| ADSEW | ADS-TEC ENERGY PLC - Warrant | | |
| ADSK | Autodesk, Inc. - Common Stock | | SP500 |
| ADTN | ADTRAN Holdings, Inc. - Common Stock | | |
| ADUR | Aduro Clean Technologies Inc. - Common Stock | | |
| ADUS | Addus HomeCare Corporation - Common Stock | | |
| ADV | Advantage Solutions Inc. - Class A Common Stock | | |
| ADVB | Advanced Biomed Inc. - Common Stock | | |
| ADXN | Addex Therapeutics Ltd - American Depositary Shares | | |
| AEAQ | Activate Energy Acquisition Corp. - Class A Ordinary Share | | |
| AEAQU | Activate Energy Acquisition Corp. - Unit | | |