Sinnet Technology (300383, SZSE) is a China company in the Data Centers & Cloud segment of the AI compute value chain — Chinese IDC operator and cloud services provider in Beijing. As of October 04, 2026, its market cap is $2.9 billion ($2.9B), ranking #209 of 244 companies overall and #12 of 19 in the Data Centers & Cloud segment (0.4% of the segment, 0.01% of the chain). Over the past year the stock lost 28.7% (52-week range 10.75 – 18.76 CNY).
| Company | Sinnet Technology（光环新网） |
|---|---|
| Ticker | 300383 · SZSE |
| Segment | Data Centers & Cloud |
| Headquarters | China |
| Market cap | $2.9B（$2.9 billion） |
| Close | 10.75 CNY (October 04, 2026) |
| Today | -1.19% |
| 30 days | -16.15% |
| 1 year | -28.67% |
| 52-wk high / low | 18.76 / 10.75 CNY |
| Share of segment | 0.4% (Data Centers & Cloud: 19 companies) |
| Share of chain | 0.01% (244 companies combined) |
| Segment leader | Oracle ($431.4B) |
| P/B ratio | 1.63 |
|---|---|
| Basis | PE/PB 腾讯行情；净利润=总市值÷PE 推算（TTM） (source: tencent, 2026-10-05 08:05) |
| # | 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 |
| 12 | Sinnet Technology 300383 | SZ | $2.9B |
| 10 | GDS Holdings GDS | US | $5.5B |