| AMRZ | Amrize Ltd Ordinary Shares | | |
| AMT | American Tower Corporation (REIT) Common Stock | | SP500 |
| AMTB | Amerant Bancorp Inc. Class A Common Stock | | |
| AMTD | AMTD IDEA Group American Depositary Shares, each representing three hundred sixty (360) Class A Ordinary Shares | | |
| AMTM | Amentum Holdings, Inc. Common Stock | | |
| AMWL | American Well Corporation Class A Common Stock | | |
| AMX | America Movil, S.A.B. de C.V. American Depositary Shares (each representing the right to receive twenty (20) Series B Shares | | |
| AN | AutoNation, Inc. Common Stock | | |
| ANDG | Andersen Group Inc. Class A Common Stock | | |
| ANET | Arista Networks, Inc. Common Stock | | SP500 |
| ANF | Abercrombie & Fitch Company Common Stock | | |
| ANG-D | American National Group Inc. Depositary Shares, each representing a 1/1000th interest in a share of 7.375% Fixed-Rate Non-Cumulative Preferred Stock, Series D | | |
| ANGX | Angel Studios, Inc. Class A Common Stock | | |
| ANRO | Alto Neuroscience, Inc. Common Stock | | |
| ANVS | Annovis Bio, Inc. Common Stock | | |
| AOD | abrdn Total Dynamic Dividend Fund Common Shares of Beneficial Interest | | |
| AOMD | Angel Oak Mortgage REIT, Inc. 9.750% Senior Notes due 2030 | | |
| AOMN | Angel Oak Mortgage REIT, Inc. 9.500% Senior Notes due 2029 | | |
| AOMR | Angel Oak Mortgage REIT, Inc. Common Stock | | |
| AON | Aon plc Class A Ordinary Shares (Ireland) | | SP500 |
| AORT | Artivion, Inc. Common Stock | | |
| AOS | A.O. Smith Corporation Common Stock | | SP500 |
| AP | Ampco-Pittsburgh Corporation Common Stock | | |
| APAM | Artisan Partners Asset Management Inc. Class A Common Stock | | |
| APD | Air Products and Chemicals, Inc. Common Stock | | SP500 |
| APG | APi Group Corporation Common Stock | | |
| APH | Amphenol Corporation Common Stock | | SP500 |
| APLE | Apple Hospitality REIT, Inc. Common Shares | | |
| APO | Apollo Global Management, Inc. (New) Common Stock | | SP500 |
| APOS | Apollo Global Management, Inc. 7.625% Fixed-Rate Resettable Junior Subordinated Notes due 2053 | | |
| APTV | Aptiv PLC Ordinary Shares | | SP500 |
| AQN | Algonquin Power & Utilities Corp. Common Shares | | |
| AQNB | Algonquin Power & Utilities Corp. 6.20% Fixed-to-Floating Subordinated Notes Series 2019-A due July 1, 2079 | | |
| AR | Antero Resources Corporation Common Stock | | |
| ARCO | Arcos Dorados Holdings Inc. Class A Shares | | |
| ARDC | Ares Dynamic Credit Allocation Fund, Inc. Common Shares | | |
| ARDT | Ardent Health, Inc. Common Stock | | |
| ARE | Alexandria Real Estate Equities, Inc. Common Stock | | SP500 |
| ARES | Ares Management Corporation Class A Common Stock | | SP500 |
| ARES-B | Ares Management Corporation 6.75% Series B Mandatory Convertible Preferred Stock | | |
| ARI | Apollo Commercial Real Estate Finance, Inc | | |
| ARIS | Aris Mining Corporation Common Shares | | |
| ARL | American Realty Investors, Inc. Common Stock | | |
| ARLO | Arlo Technologies, Inc. Common Stock | | |
| ARMK | Aramark Common Stock | | |
| AROC | Archrock, Inc. Common Stock | | |
| ARR | ARMOUR Residential REIT, Inc. | | |
| ARR-C | ARMOUR Residential REIT, Inc. 7% Series C Cumulative Redeemable Preferred Stock (liquidation preference $25.00 per share) | | |
| ARW | Arrow Electronics, Inc. Common Stock | | |
| ARX | Accelerant Holdings Class A Common Shares | | |