| 401 | ADSERO CORP | US | Industrials | — |
| 402 | ADSOUTH PARTNERS, INC. | US | Industrials | — |
| 403 | ADSTAR INC | US | Technology | — |
| 404 | ADT Corp | US | Industrials | — |
| 405 | ADT Inc. | US | Industrials | — |
| 406 | ADTHINK | FR | — | 9695006PTSQSQEAOMV94 |
| 407 | ADTOMIZE INC | US | Industrials | — |
| 408 | ADTRAN Holdings, Inc. | DE | — | 549300XWTHXJVGKWU616 |
| 409 | ADTRAN Holdings, Inc. | US | Industrials | — |
| 410 | ADURO BIOTECH, INC. | US | Health Care | — |
| 411 | ADVANCE AUTO PARTS INC | US | Consumer Discretionary | — |
| 412 | ADVANCE DISPLAY TECHNOLOGIES INC | US | Financials | — |
| 413 | ADVANCE FINANCIAL BANCORP | US | Financials | — |
| 414 | ADVANCE TECHNOLOGIES INC | US | Financials | — |
| 415 | ADVANCED ANALOGIC TECHNOLOGIES INC | US | Technology | — |
| 416 | ADVANCED BATTERY TECHNOLOGIES, INC. | US | Industrials | — |
| 417 | ADVANCED BIOTHERAPY INC | US | Industrials | — |
| 418 | ADVANCED CELL TECHNOLOGY, INC. | US | Health Care | — |
| 419 | ADVANCED COMMUNICATIONS TECHNOLOGIES INC | US | Industrials | — |
| 420 | ADVANCED CREDIT TECHNOLOGIES INC | US | Technology | — |
| 421 | ADVANCED DIGITAL INFORMATION CORP | US | Technology | — |
| 422 | ADVANCED DRAINAGE SYSTEMS, INC. | US | Consumer Discretionary | — |
| 423 | ADVANCED ENERGY INDUSTRIES INC | US | Technology | — |
| 424 | ADVANCED ENGINE TECHNOLOGIES INC | US | Industrials | — |
| 425 | ADVANCED ENVIRONMENTAL RECYCLING TECHNOLOGIES INC | US | Consumer Discretionary | — |
| 426 | ADVANCED FIBRE COMMUNICATIONS INC | US | Industrials | — |
| 427 | ADVANCED GAMING TECHNOLOGY INC | US | Communication Services | — |
| 428 | ADVANCED GROWING SYSTEMS, INC. | US | Materials | — |
| 429 | ADVANCED ID CORP | US | Technology | — |
| 430 | ADVANCED LIGHTING TECHNOLOGIES INC | US | Industrials | — |
| 431 | ADVANCED LUMITECH INC | US | Consumer Discretionary | — |
| 432 | ADVANCED MAGNETICS INC | US | Health Care | — |
| 433 | ADVANCED MARKETING SERVICES INC | US | Consumer Discretionary | — |
| 434 | ADVANCED MATERIALS GROUP INC | US | Consumer Discretionary | — |
| 435 | ADVANCED MEDIA TRAINING INC | US | Communication Services | — |
| 436 | ADVANCED MEDICAL INSTITUTE INC. | US | Health Care | — |
| 437 | ADVANCED MEDICAL OPTICS INC | US | Health Care | — |
| 438 | ADVANCED MICRO DEVICES INC | US | Technology | — |
| 439 | ADVANCED NEUROMODULATION SYSTEMS INC | US | Health Care | — |
| 440 | ADVANCED NUTRACEUTICALS INC/TX | US | Health Care | — |
| 441 | ADVANCED OXYGEN TECHNOLOGIES INC | US | Real Estate | — |
| 442 | ADVANCED PHOTONIX INC | US | Technology | — |
| 443 | ADVANCED POWER TECHNOLOGY INC | US | Technology | — |
| 444 | ADVANCED RECYCLING SCIENCES INC | US | Utilities | — |
| 445 | ADVANCED SWITCHING COMMUNICATIONS INC | US | Industrials | — |
| 446 | ADVANCED TECHNOLOGIES GROUP LTD | US | Unknown | — |
| 447 | ADVANCED TECHNOLOGY ACQUISITION CORP. | US | Financials | — |
| 448 | ADVANCED TECHNOLOGY INDUSTRIES INC | US | Technology | — |
| 449 | ADVANCED VENTURES CORP | US | Industrials | — |
| 450 | ADVANCED VIRAL RESEARCH CORP | US | Health Care | — |