| 2801 | Atlas Financial Holdings, Inc. | US | Financials | — |
| 2802 | Atlas Growth Partners, L.P. | US | Energy | — |
| 2803 | Atlas Lithium Corp | US | Materials | — |
| 2804 | Atlas Mara Ltd | GB | — | 213800R42RHUZR883M76 |
| 2805 | Atlas Pipeline Holdings, L.P. | US | Utilities | — |
| 2806 | Atlas Resource Partners, L.P. | US | Energy | — |
| 2807 | Atlas Resources Public #16-2007 (A) L.P. | US | Energy | — |
| 2808 | Atlas Resources Public #17-2007 (A) L.P. | US | Energy | — |
| 2809 | Atlas Resources Public #17-2008 (B) L.P. | US | Energy | — |
| 2810 | Atlas Resources Public #18-2008 (A) L.P. | US | Energy | — |
| 2811 | Atlas Resources Public #18-2009 (B) L.P. | US | Energy | — |
| 2812 | Atlas Resources Public #18-2009 (C) L.P. | US | Energy | — |
| 2813 | Atlas Resources Series 28-2010 L.P. | US | Energy | — |
| 2814 | Atlas Therapeutics Corp | US | Consumer Discretionary | — |
| 2815 | AtlasClear Holdings, Inc. | US | Financials | — |
| 2816 | Atlassian Corp | US | Technology | — |
| 2817 | Atlin Mineral Exploration Corp. | US | Materials | — |
| 2818 | Atlis Motor Vehicles Inc | US | Consumer Discretionary | — |
| 2819 | Atmus Filtration Technologies Inc. | US | Consumer Discretionary | — |
| 2820 | Atomera Inc | US | Technology | — |
| 2821 | Atomic Guppy Inc | US | Communication Services | — |
| 2822 | Atour Lifestyle Holdings Ltd | US | Consumer Discretionary | — |
| 2823 | Atrato Onsite Energy PLC | GB | — | 213800IE1PPREDIIZB62 |
| 2824 | Atreca, Inc. | US | Health Care | — |
| 2825 | AtriCure, Inc. | US | Health Care | — |
| 2826 | Atrisco Oil & Gas LLC | US | Energy | — |
| 2827 | Atrium Ljungberg AB | — | — | 5493001NNP6HM67OVU09 |
| 2828 | Atrium Therapeutics, Inc. | US | Health Care | — |
| 2829 | Attana AB | — | — | 549300KAI93YCW5ISI45 |
| 2830 | Attendo | — | — | — |
| 2831 | Attendo AB | — | — | 549300KEJDL2FNITUW65 |
| 2832 | Attitude Drinks Inc. | US | Consumer Staples | — |
| 2833 | Atvexa AB | — | — | 5493000FRNH6VNCLWZ20 |
| 2834 | Atvexa B | — | — | — |
| 2835 | Atwood Minerals & Mining CORP. | US | Materials | — |
| 2836 | Auburn Bancorp, Inc. | US | Financials | — |
| 2837 | Audax Credit BDC Inc. | US | Unknown | — |
| 2838 | Audax Private Credit Fund, LLC | US | Unknown | — |
| 2839 | Audentes Therapeutics, Inc. | US | Health Care | — |
| 2840 | Audio Stocks, Inc. | US | Technology | — |
| 2841 | Audioboom Group PLC | GB | — | 213800QO681575J97813 |
| 2842 | Augean Plc | GB | — | 213800FX9OGD148QCP81 |
| 2843 | Augme Technologies, Inc. | US | Industrials | — |
| 2844 | Augmentum Fintech plc | GB | — | 213800OTQ44T555I8S71 |
| 2845 | Augusta SpinCo Corp | US | Health Care | — |
| 2846 | Ault Disruptive Technologies Corp | US | Financials | — |
| 2847 | Aumann AG | DE | — | 529900GLI93PGU71F690 |
| 2848 | Aura Biosciences, Inc. | US | Health Care | — |
| 2849 | Aura Fat Projects Acquisition Corp | US | Communication Services | — |
| 2850 | Aura Minerals Inc. | US | Materials | — |