| 501 | AEROPORTS DE PARIS | FR | — | 969500PJMBSFHYC37989 |
| 502 | AEROPOSTALE INC | US | Consumer Discretionary | — |
| 503 | AEROSONIC CORP /DE/ | US | Industrials | — |
| 504 | AEROTELESIS INC | US | Communication Services | — |
| 505 | AEROWASH AB (publ) | — | — | 2549007OMS3MNL0LIP65 |
| 506 | AES CORP | US | Utilities | — |
| 507 | AETHER HOLDINGS INC | US | Financials | — |
| 508 | AETHLON MEDICAL INC | US | Health Care | — |
| 509 | AETNA INC /PA/ | US | Financials | — |
| 510 | AETOS DISTRESSED INVESTMENT STRATEGIES FUND LLC | US | Unknown | — |
| 511 | AETOS LONG/SHORT STRATEGIES FUND LLC | US | Unknown | — |
| 512 | AETOS MARKET NEUTRAL STRATEGIES FUND LLC | US | Unknown | — |
| 513 | AETOS MULTI-STRATEGY ARBITRAGE FUND LLC | US | Unknown | — |
| 514 | AETRIUM INC | US | Consumer Discretionary | — |
| 515 | AEVEX Corp. | US | Industrials | — |
| 516 | AEW REAL ESTATE INCOME FUND | US | Unknown | — |
| 517 | AEW UK Long Lease REIT PLC | GB | — | — |
| 518 | AEW UK REIT PLC | GB | — | 21380073LDXHV2LP5K50 |
| 519 | AEye, Inc. | US | Consumer Discretionary | — |
| 520 | AF Acquisition Corp. | US | Financials | — |
| 521 | AF FINANCIAL GROUP | US | Financials | — |
| 522 | AF LEGAL GROUP LTD | AU | — | — |
| 523 | AF OCEAN INVESTMENT MANAGEMENT Co | US | Industrials | — |
| 524 | AFA Multi-Manager Credit Fund | US | Unknown | — |
| 525 | AFC BDC Inc. | US | Unknown | — |
| 526 | AFC ENERGY PLC | GB | — | 213800SRJST19GNS9U35 |
| 527 | AFC ENTERPRISES INC | US | Consumer Discretionary | — |
| 528 | AFENTRA PLC | GB | — | 21380028BFDFJK8BRX92 |
| 529 | AFFILIATED COMPUTER SERVICES INC | US | Technology | — |
| 530 | AFFILIATED MANAGERS GROUP, INC. | US | Financials | — |
| 531 | AFFINITY GOLD CORP. | US | Consumer Staples | — |
| 532 | AFFINITY MEDIAWORKS CORP | US | Real Estate | — |
| 533 | AFFINITY TECHNOLOGY GROUP INC | US | Financials | — |
| 534 | AFFIRMATIVE INSURANCE HOLDINGS INC | US | Financials | — |
| 535 | AFFLUENT MEDICAL | FR | — | 969500N30CO4B5N2GN67 |
| 536 | AFFYMAX INC | US | Health Care | — |
| 537 | AFFYMETRIX INC | US | Health Care | — |
| 538 | AFG Enterprises USA, Inc. | US | Industrials | — |
| 539 | AFH ACQUISITION IV, INC. | US | Financials | — |
| 540 | AFH ACQUISITION V, INC. | US | Financials | — |
| 541 | AFH ACQUISITION VI, INC. | US | Financials | — |
| 542 | AFH ACQUISITION VII, INC. | US | Financials | — |
| 543 | AFH ACQUISITION XI, INC. | US | Financials | — |
| 544 | AFH ACQUISITION XII, INC. | US | Financials | — |
| 545 | AFH Acquisition III, Inc. | US | Health Care | — |
| 546 | AFH Acquisition IX, Inc. | US | Financials | — |
| 547 | AFH Acquisition VIII, Inc. | US | Financials | — |
| 548 | AFH Financial Group Plc | GB | — | 213800MVLNB5CWDY8X63 |
| 549 | AFH HOLDING II, INC. | US | Financials | — |
| 550 | AFH HOLDING V, INC | US | Financials | — |