Largest Companies by Market Cap - May 2026
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Other major advances came from Palo Alto Networks, Inc. (PANW), which climbed 39 places from rank 98 to rank 59, and Sandisk Corporation (SNDK), which rose 31 places from rank 84 to rank 53. Applovin Corporation (APP) gained 31 places from rank 96 to rank 65. Arm Holdings plc American (ARM) advanced 27 places from rank 54 to rank 27. Computer Storage Devices supplied a shared upward move, with SNDK, Seagate Technology Holdings PLC (STX) and Western Digital Corp. (WDC) all climbing.
New arrivals included Bank of New York Mellon Corporation (BNY), Cerebras Systems Inc. (CBRS) and Wise Group plc (WSE). BNY arrived at rank 160. CBRS arrived at rank 301. WSE arrived at rank 775. BK left from rank 173, while Coterra Energy Inc. (CTRA) departed from rank 483. Carnival PLC (CUK) left from rank 941 at the universe boundary.
Inside the top 10, Tesla, Inc. (TSLA) overtook Meta Platforms, Inc. (META). Micron Technology, Inc. (MU) passed Walmart Inc. (WMT). On the downside, NextEra Energy, Inc. (NEE) was the sharpest faller, declining 20 places from rank 63 to rank 83. PepsiCo, Inc. (PEP), Deere & Company (DE) and ConocoPhillips (COP) each fell 15 places.
Compares this month's close with the previous month's close. A company that shifted only because another entered or left the ranking above it is not counted as having moved.
About this ranking
This page ranks 941 US-listed companies by the market capitalization each one carried at the close of May 2026. The values do not change, because May 2026 is over; this is what the ranking looked like then, and it will look the same the next time you visit.
Market capitalization is the share price multiplied by the number of shares outstanding. Each figure on this page uses that month's closing share price, so the ranking reflects the market as it stood at the close of May 2026 rather than today. Rank Change compares each company's position with its position at the end of the previous month. A company whose position shifted only because another company entered or left the ranking above it shows no change, because it did not move.
For the ranking at today's prices, see the live market cap ranking.