Micron Technology (MU, US) is a USA company in the Memory / HBM segment of the AI compute value chain — leading maker of DRAM and HBM high-bandwidth memory for AI. As of October 04, 2026, its market cap is $1.21 trillion ($1.21T), ranking #4 of 244 companies overall and #1 of 15 in the Memory / HBM segment (29.3% of the segment, 4.79% of the chain). Over the past year the stock gained 485.0% (52-week range 181.60 – 1,213.56 USD).
| Company | Micron Technology（美光科技） |
|---|---|
| Ticker | MU · US |
| Segment | Memory / HBM |
| Headquarters | USA |
| Market cap | $1.21T（$1.21 trillion） |
| Close | 1,074.89 USD (October 04, 2026) |
| Today | -2.05% |
| 30 days | +10.32% |
| 1 year | +484.97% |
| 52-wk high / low | 1,213.56 / 181.60 USD |
| Share of segment | 29.3% (Memory / HBM: 15 companies) |
| Share of chain | 4.79% (244 companies combined) |
| Segment leader | Micron Technology ($1.21T) |
| Revenue (TTM) | $133.2 billion |
|---|---|
| Net income (TTM) | $85.0 billion |
| Employees | 53,000 |
| P/E ratio (TTM) | 14.5 |
| P/B ratio | 8.78 |
| Gross margin | 80.7% |
| Net margin | 63.8% |
| Dividend yield | 0.06% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Micron Technology MU | US | $1.21T |
| 2 | Samsung Electronics 005930.KS | KR | $1.20T |
| 3 | SK Hynix 000660.KS | KR | $998.6B |
| 4 | SanDisk SNDK | US | $251.8B |
| 5 | Kioxia Holdings 285A.T | JP | $201.3B |
| 6 | Western Digital WDC | US | $149.7B |
| 7 | GigaDevice 603986 | SH | $37.1B |
| 8 | Longsys 301308 | SZ | $20.7B |
| 9 | Hanmi Semiconductor 042700.KS | KR | $19.2B |
| 10 | Biwin Storage Technology 688525 | SH | $13.7B |