Arista Networks (ANET, US) is a USA company in the Networking & Switching segment of the AI compute value chain — merchant supplier of high-speed Ethernet switches for AI data centers. As of October 04, 2026, its market cap is $261.5 billion ($261.5B), ranking #17 of 244 companies overall and #2 of 12 in the Networking & Switching segment (28.3% of the segment, 1.03% of the chain). Over the past year the stock gained 43.5% (52-week range 116.13 – 210.50 USD).
| Company | Arista Networks（阿里斯塔网络） |
|---|---|
| Ticker | ANET · US |
| Segment | Networking & Switching |
| Headquarters | USA |
| Market cap | $261.5B（$261.5 billion） |
| Close | 207.35 USD (October 04, 2026) |
| Today | +1.40% |
| 30 days | +12.84% |
| 1 year | +43.53% |
| 52-wk high / low | 210.50 / 116.13 USD |
| Share of segment | 28.3% (Networking & Switching: 12 companies) |
| Share of chain | 1.03% (244 companies combined) |
| Segment leader | Cisco Systems ($442.4B) |
| Revenue (TTM) | $10.5 billion |
|---|---|
| Net income (TTM) | $4.0 billion |
| Employees | 5,115 |
| P/E ratio (TTM) | 65.6 |
| P/B ratio | 17.67 |
| Gross margin | 63.0% |
| Net margin | 38.4% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Cisco Systems CSCO | US | $442.4B |
| 2 | Arista Networks ANET | US | $261.5B |
| 3 | Nokia NOK | US | $59.3B |
| 4 | Ciena Corporation CIEN | US | $55.5B |
| 5 | Ericsson ERIC | US | $30.3B |
| 6 | ZTE 000063 | SZ | $21.8B |
| 7 | Centec Networks 688702 | SH | $17.4B |
| 8 | Ruijie Networks 301165 | SZ | $16.7B |
| 9 | Unisplendour 000938 | SZ | $13.2B |
| 10 | Fujian Star-net Communication 002396 | SZ | $3.7B |