Largest 500 U.S. Companies by Market Cap - 301–320 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: Sep 11, 2026, 4:00 PM ET

#NameMarket cap ▼% changeMarket cap (relative)
301 Centene Centene CNC 32.81B ▲ 1.55%
302 Everpure, Inc. Everpure, Inc. P 32.73B ▲ 4.34%
303 Vulcan Materials Vulcan Materials VMC 32.70B ▲ 0.83%
304 Kimberly-Clark Kimberly-Clark KMB 32.64B ▼ 0.34%
305 Roblox Roblox RBLX 32.50B ▲ 1.37%
306 Crown Castle Crown Castle CCI 32.21B ▲ 2.35%
307 Biogen Biogen BIIB 32.07B ▲ 0.79%
308 HP HP HPQ 32.05B ▲ 8.39%
309 ResMed ResMed RMD 31.48B ▼ 0.60%
310 DexCom DexCom DXCM 31.34B ▼ 1.72%
311 Carnival Carnival CCL 31.21B ▲ 1.23%
312 Illumina Illumina ILMN 31.17B ▲ 2.57%
313 Martin Marietta Materials Martin Marietta Materials MLM 30.62B ▲ 1.49%
314 PG&E PG&E PCG 30.39B ▼ 1.65%
315 Reddit Reddit RDDT 30.34B ▲ 1.54%
316 Zoetis Zoetis ZTS 30.22B ▲ 0.13%
317 Ares Management Ares Management ARES 29.93B ▲ 0.77%
318 Halliburton Halliburton HAL 29.89B ▼ 0.63%
319 Citizens Financial Group Citizens Financial Group CFG 29.79B ▲ 1.22%
320 ON Semiconductor ON Semiconductor ON 29.64B ▲ 8.49%