Largest Companies by Market Cap - Complete Rankings
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What changed in this ranking
AI-generated summary by Rhea-AI, written on . How Rhea-AI works.
The biggest fall came from Seagate Technology Holdings plc (STX), which fell 27 places to rank 98 from rank 71.
Sandisk Corporation (SNDK) fell 23 places to rank 80 from rank 57. Banco Santander S.A. (SAN) fell 20 places to rank 95 from rank 75. Technology was the clearest area of weakness: Arm Holdings (ARM), Marvell Technology, Inc. (MRVL), Lam Research Corp (LRCX) and Western Digital Corp. (WDC) joined STX and SNDK in falling.
Among the largest rises, ConocoPhillips (COP) rose 17 places to rank 88 from rank 105. McDonald's Corporation (MCD) rose 15 places to rank 84 from rank 99. Technology also produced gains for SAP SE (SAP), International Business Machines Corporation (IBM) and Shopify Inc. (SHOP).
At the top, Microsoft Corp. (MSFT) and Alphabet Inc. (GOOGL) changed places inside the top 10. Broadcom Inc. (AVGO) and Meta Platforms, Inc. (META) also changed places inside the top 10.
Two companies debuted on the current board. Vylor Inc. (VYLR) debuted at rank 329. Skydance Corporation (SKYD) debuted at rank 386. Warner Bros. Discovery, Inc. Series A (WBD) left the ranking from rank 212. Several other names appeared only because the current board extends beyond the previous universe, so those appearances do not represent new debuts.
This live-board comparison uses the current board against the month-end snapshot at
Compares today's ranking with the close of September 2026, the most recent month the archive holds. Positions here move with live prices, so a difference against that close is not a completed month's result.
Archived months
Archived months
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