Largest Companies by Market Cap - Complete Rankings

The current board is a live snapshot, so this comparison is with the month-end snapshot at the close of September 2026 rather than a completed month. At the top, Apple Inc. (AAPL) moved ahead of Nvidia Corp (NVDA), while Microsoft Corp (MSFT) moved ahead of Alphabet Inc. (GOOGL); Tesla, Inc. (TSLA) also moved ahead of Meta Platforms, Inc. (META) and Broadcom Inc. (AVGO) within the top 10.

AAPL rose 1 place to rank 1. NVDA fell 1 place to rank 2.

Technology was the clearest center of decline, with 10 fallers: Seagate Technology Holdings plc (STX), Sandisk Corporation (SNDK), Marvell Technology, Inc. (MRVL), Western Digital Corp. (WDC), Arm Holdings (ARM), Dell Technologies Inc. (DELL), Lam Research Corp (LRCX), KLA Corporation (KLAC), Intel Corp (INTC) and Qualcomm Inc (QCOM). STX fell 44 places to rank 114. Technology also supplied 3 climbers: Accenture plc (ACN), SAP SE (SAP) and International Business Machines Corporation (IBM). ACN rose 28 places to rank 95.

Outside technology, McDonald's Corporation (MCD), Gilead Sciences Inc (GILD), Union Pacific Corp. (UNP), AstraZeneca PLC (AZN), ConocoPhillips (COP) and Anheuser-Busch InBev SA/NV (BUD) all climbed. MCD rose 19 places to rank 79.

Two debutants joined the ranking: Vylor Inc. (VYLR) and Skydance Corporation (SKYD). VYLR is at rank 323. SKYD is at rank 373. Booz Allen Hamilton Holding Corporation (BAH) and Advanced Drainage Systems, Inc. (WMS) also joined at the universe boundary. Warner Bros. Discovery, Inc. Series A (WBD) left the ranking after holding rank 211.