Largest Companies by Market Cap - Complete Rankings

The largest change was Coca-Cola FEMSA, S.A.B DE C.V (KOF), which fell 470 places from rank 84 to rank 554. The live ranking is compared with the 2026-09-01 month-end snapshot. Berkshire Hathaway Inc. (BRK.A) left the ranking at its previous rank of 35. BRK.A's departure shifted the rank numbers of Alibaba Group Holding Limited (BABA), Arista Networks (ANET), Gilead Sciences Inc (GILD) and PepsiCo, Inc. (PEP) by 1 place each. The relative order within the top 10 was unchanged.

The strongest climb came from PETROLEO BRASILEIRO S.A.-PETROBRAS (PBR), which rose 115 places from rank 213 to rank 98. Shopify Inc. (SHOP) climbed 13 places to rank 66. Union Pacific Corp. (UNP) and ConocoPhillips (COP) each climbed 8 places, while Blackrock, Inc. (BLK) rose 6 places to rank 91.

Technology had the broadest concentration of declines, with Seagate Technology Holdings plc (STX), Western Digital Corp. (WDC), Sandisk Corporation (SNDK), Qualcomm Inc (QCOM), Arm Holdings (ARM) and Lam Research Corp (LRCX) all falling. Financial Services also recorded a shared decline among Mitsubishi UFJ Financial Group, Inc. (MUFG), Sumitomo Mitsui Financial Group, Inc. (SMFG) and Royal Bank of Canada (RY). T-Mobile US, Inc. (TMUS) and AT&T (T) each fell 13 places.

New debuts were led by Pioneer Natural Resource Co. (PXD) at rank 270. Electronic Arts Inc (EA) followed at rank 316, while Discover Financial Services (DFS), Vylor Inc. (VYLR), Hess Corporation (HES) and Skydance Corporation (SKYD) also debuted. Companies leaving included Liberty Media Corporation Series A (FWONA), HEICO CORP CL A (HEI.A), Paramount Skydance Corporation (PSKY), Bruker Corporation (BRKR), TFI International Inc. (TFII), Viasat Inc (VSAT), ALLISON TRANSMISSION HOLDINGS, INC. (ALSN), MaxLinear, Inc. (MXL) and MOOG INC CL B (MOG.B).