21Vianet Group (VNET, US) is a China company in the Data Centers & Cloud segment of the AI compute value chain. As of October 04, 2026, its market cap is $1.5 billion ($1.5B), ranking #226 of 244 companies overall and #15 of 19 in the Data Centers & Cloud segment (0.2% of the segment, 0.01% of the chain). Over the past year the stock lost 54.4% (52-week range 5.13 – 14.03 USD).
| Company | 21Vianet Group（世纪互联） |
|---|---|
| Ticker | VNET · US |
| Segment | Data Centers & Cloud |
| Headquarters | China |
| Market cap | $1.5B（$1.5 billion） |
| Close | 5.13 USD (October 04, 2026) |
| Today | -7.57% |
| 30 days | -22.86% |
| 1 year | -54.36% |
| 52-wk high / low | 14.03 / 5.13 USD |
| Share of segment | 0.2% (Data Centers & Cloud: 19 companies) |
| Share of chain | 0.01% (244 companies combined) |
| Segment leader | Oracle ($431.4B) |
| Revenue (TTM) | $1.6 billion |
|---|---|
| Net income (TTM) | $-350.6 million |
| Employees | 2,784 |
| P/B ratio | 2.42 |
| Gross margin | 20.5% |
| Net margin | -6.2% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Oracle ORCL | US | $431.4B |
| 2 | Equinix EQIX | US | $101.2B |
| 3 | Digital Realty Trust DLR | US | $66.2B |
| 4 | Nebius Group NBIS | US | $66.0B |
| 5 | CoreWeave CRWV | US | $49.4B |
| 6 | Iron Mountain IRM | US | $33.8B |
| 7 | IREN Limited IREN | US | $16.5B |
| 8 | Runze Technology 300442 | SZ | $15.6B |
| 9 | Applied Digital APLD | US | $7.6B |
| 15 | 21Vianet Group VNET | US | $1.5B |
| 10 | GDS Holdings GDS | US | $5.5B |