US AI 100

How are the companies building AI doing, together, weighted by size?

3,636.44+0.34%Close Oct 1, 2026

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The combined value of the US companies building AI, listed and private, as picked by our editors. The biggest move it most. Price only: dividends are left out.

Before Oct 2, 2026 the line is a back-test of the companies picked that day.

Members at the close of Oct 1, 2026

#CompanyGroupValueWeightDay
1NVIDIANVDASemiconductors$5.56T13.41%+1.09%
2AppleAAPLHardware and data centres$4.82T11.62%−0.81%
3AlphabetGOOGLCloud and models$4.14T9.97%−1.70%
4MicrosoftMSFTCloud and models$3.81T9.18%−0.02%
5AmazonAMZNCloud and models$2.68T6.45%−0.37%
6TSMCTSMSemiconductors$2.38T5.74%+0.66%
7SpaceXSPCXCloud and models$1.95T4.70%−1.85%
8Meta PlatformsMETACloud and models$1.85T4.46%+0.10%
9BroadcomAVGOSemiconductors$1.64T3.95%−2.15%
10TeslaTSLARobotics and physical AI$1.40T3.37%−0.20%
11MicronMUSemiconductors$1.24T2.99%+3.03%
12AMDAMDSemiconductors$1.01T2.42%+0.65%
13ASMLASMLSemiconductors$695.36B1.68%−0.18%
14IntelINTCSemiconductors$605.28B1.46%−0.19%
15Palantir TechnologiesPLTRSoftware$456.68B1.10%+1.60%
16Cisco SystemsCSCOHardware and data centres$428.80B1.03%+1.05%
17Lam ResearchLRCXSemiconductors$425.57B1.03%+3.53%
18Applied MaterialsAMATSemiconductors$420.05B1.01%+3.50%
19OracleORCLCloud and models$417.49B1.01%+0.56%
20Dell TechnologiesDELLHardware and data centres$344.45B0.83%+0.70%
21Palo Alto NetworksPANWSoftware$324.13B0.78%−0.27%
22Arm HoldingsARMSemiconductors$312.22B0.75%+0.93%
23CrowdStrikeCRWDSoftware$272.46B0.66%+0.51%
24GE VernovaGEVPower and materials$262.99B0.63%+3.89%
25KLAKLACSemiconductors$261.74B0.63%+2.77%
26Arista NetworksANETHardware and data centres$257.91B0.62%+0.44%
27Alibaba GroupBABACloud and models$250.77B0.60%−0.08%
28MarvellMRVLSemiconductors$235.08B0.57%+1.46%
29SeagateSTXSemiconductors$214.31B0.52%+2.52%
30AmphenolAPHHardware and data centres$211.26B0.51%+1.63%
31QualcommQCOMSemiconductors$191.19B0.46%−1.06%
32EatonETNPower and materials$169.84B0.41%+1.76%
33Intuitive SurgicalISRGRobotics and physical AI$141.75B0.34%−1.33%
34Uber TechnologiesUBERRobotics and physical AI$138.65B0.33%−0.92%
35SnowflakeSNOWSoftware$120.65B0.29%+0.72%
36EquinixEQIXHardware and data centres$99.89B0.24%+0.07%
37Quanta ServicesPWRPower and materials$99.62B0.24%+3.13%
38CadenceCDNSSemiconductors$96.59B0.23%+6.22%
39VertivVRTHardware and data centres$94.75B0.23%+1.99%
40AppLovinAPPSoftware$94.14B0.23%−3.14%
41SynopsysSNPSSemiconductors$94.01B0.23%+12.78%
42LumentumLITEHardware and data centres$93.81B0.23%+7.67%
43Constellation EnergyCEGPower and materials$91.74B0.22%+1.93%
44Hewlett Packard EnterpriseHPEHardware and data centres$85.73B0.21%+1.08%
45Bloom EnergyBEPower and materials$81.75B0.20%+0.22%
46CumminsCMIPower and materials$71.17B0.17%+0.08%
47Digital RealtyDLRHardware and data centres$65.31B0.16%+0.55%
48TeradyneTERRobotics and physical AI$65.00B0.16%+3.71%
49Nebius GroupNBISCloud and models$63.15B0.15%−1.53%
50CoherentCOHRHardware and data centres$62.51B0.15%+10.90%
51Astera LabsALABSemiconductors$61.83B0.15%+0.13%
52NXP SemiconductorsNXPISemiconductors$60.32B0.15%+0.70%
53Comfort SystemsFIXPower and materials$59.31B0.14%+1.89%
54CoreWeaveCRWVCloud and models$48.85B0.12%+1.66%
55VistraVSTPower and materials$46.91B0.11%+1.01%
56CelesticaCLSHardware and data centres$42.90B0.10%+3.23%
57Credo TechnologyCRDOSemiconductors$39.50B0.10%+7.90%
58CamecoCCJPower and materials$37.32B0.09%−1.13%
59Axon EnterpriseAXONRobotics and physical AI$34.30B0.08%−0.07%
60ZscalerZSSoftware$32.41B0.08%−0.32%
61Super Micro ComputerSMCIHardware and data centres$27.54B0.07%+2.07%
62HubbellHUBBPower and materials$24.67B0.06%+2.95%
63NRG EnergyNRGPower and materials$20.38B0.05%+1.34%
64FabrinetFNHardware and data centres$16.18B0.04%+6.40%
65Talen EnergyTLNPower and materials$15.48B0.04%+3.33%
66AlcoaAAPower and materials$11.10B0.03%+0.14%
67Kratos DefenseKTOSRobotics and physical AI$8.04B0.02%+0.30%
68AeroVironmentAVAVRobotics and physical AI$7.13B0.02%−1.34%
69POWELL IndustriesPOWLPower and materials$6.94B0.02%+3.32%
70OkloOKLOPower and materials$6.72B0.02%−2.38%
71AmbarellaAMBASemiconductors$3.10B0.01%+1.14%

On the list but not priced at this close: ABB, Advantest, Anduril Industries, Anthropic, Anysphere, Apptronik, Crusoe Energy, Databricks, Decagon AI, Figure AI, Glean, Groq, Harvey AI, Neuralink, OpenAI, Perplexity AI, Physical Intelligence, Poolside AI, Replit, Safe Superintelligence, Saronic, Shield AI, Sierra AI, Tencent, Together AI, Tokyo Electron.

How this index is built →

Sources: company filings, exchange prices and secondary-market trades.

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