Largest 500 U.S. Companies by Market Cap - 321–340 of 500

A daily-updated ranking highlights the 500 largest american stocks by market cap, making it easy to assess market leaders, track shifts in valuation, and understand how the biggest companies compare over time.

Data updated: Jul 29, 2026, 4:00 PM ET

#NameMarket cap ▼% changeMarket cap (relative)
321 Citizens Financial Group Citizens Financial Group CFG 30.14B ▼ 2.24%
322 Jabil Jabil JBL 30.10B ▼ 5.23%
323 EMCOR Group EMCOR Group EME 29.88B ▼ 4.75%
324 DTE Energy DTE Energy DTE 29.86B ▼ 1.74%
325 Atmos Energy Atmos Energy ATO 29.66B ▼ 0.94%
326 Fiserv Fiserv FISV 29.65B ▲ 2.63%
327 Illumina Illumina ILMN 29.61B ▲ 0.95%
328 Teledyne Technologies Teledyne Technologies TDY 29.27B ▼ 2.82%
329 DexCom DexCom DXCM 29.00B ▲ 0.42%
330 VICI Properties VICI Properties VICI 29.00B ▲ 0.10%
331 Twilio Twilio TWLO 28.63B ▼ 3.15%
332 Copart Copart CPRT 28.53B ▲ 0.42%
333 Xylem Xylem XYL 28.52B ▼ 4.55%
334 FirstEnergy FirstEnergy FE 28.42B ▼ 1.04%
335 Dollar General Dollar General DG 28.39B ▲ 2.16%
336 CenterPoint Energy CenterPoint Energy CNP 28.28B ▼ 1.98%
337 Eversource Energy Eversource Energy ES 28.11B ▼ 0.81%
338 Ares Management Ares Management ARES 28.09B ▼ 2.60%
339 WR Berkley WR Berkley WRB 28.07B ▼ 0.67%
340 Mettler-Toledo International Mettler-Toledo International MTD 28.05B ▼ 0.04%