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: Oct 29, 2026, 4:00 PM ET

#NameMarket cap ▼% changeMarket cap (relative)
321 Jabil Jabil JBL 30.07B ▼ 1.09%
322 Labcorp Holdings Labcorp Holdings LH 29.89B ▲ 2.57%
323 Halliburton Halliburton HAL 29.69B ▲ 0.41%
324 SharkNinja SharkNinja SN 29.47B ▲ 5.51%
325 Royalty Pharma Royalty Pharma RPRX 29.39B ▲ 1.73%
326 West Pharmaceutical Services West Pharmaceutical Services WST 29.33B ▲ 3.20%
327 ON Semiconductor ON Semiconductor ON 29.29B ▼ 0.51%
328 PG&E PG&E PCG 29.14B ▲ 0.62%
329 Ares Management Ares Management ARES 28.98B ▲ 2.95%
330 Atmos Energy Atmos Energy ATO 28.91B ▲ 0.91%
331 HP HP HPQ 28.76B ▼ 1.91%
332 Dollar General Dollar General DG 28.70B ▲ 3.09%
333 Zoom Communications Zoom Communications ZM 28.55B ▼ 2.59%
334 Dover Dover DOV 28.42B ▲ 1.14%
335 Otis Worldwide Otis Worldwide OTIS 28.40B ▲ 2.38%
336 EchoStar EchoStar ECHO 28.37B ▲ 3.58%
337 Kraft Heinz Kraft Heinz KHC 28.35B ▲ 0.18%
338 American Water Works American Water Works AWK 28.26B ▲ 1.73%
339 Cognizant Technology Solutions Cognizant Technology Solutions CTSH 28.26B ▼ 5.77%
340 DTE Energy DTE Energy DTE 27.99B ▲ 1.93%