Alchip Technologies (3661.TW, TWSE) is a Taiwan, China company in the GPU & AI Chips segment of the AI compute value chain. As of October 04, 2026, its market cap is $10.3 billion ($10.3B), ranking #142 of 244 companies overall and #17 of 21 in the GPU & AI Chips segment (0.1% of the segment, 0.04% of the chain). Over the past year the stock gained 1.3% (52-week range 2,485.00 – 5,375.00 TWD).
| Company | Alchip Technologies（世芯电子） |
|---|---|
| Ticker | 3661.TW · TWSE |
| Segment | GPU & AI Chips |
| Headquarters | Taiwan, China |
| Market cap | $10.3B（$10.3 billion） |
| Close | 3,810.00 TWD (October 04, 2026) |
| Today | +1.20% |
| 30 days | +4.96% |
| 1 year | +1.33% |
| 52-wk high / low | 5,375.00 / 2,485.00 TWD |
| Share of segment | 0.1% (GPU & AI Chips: 21 companies) |
| Share of chain | 0.04% (244 companies combined) |
| Segment leader | NVIDIA ($5.65T) |
| Revenue (TTM) | $726.6 million |
|---|---|
| Net income (TTM) | $189.9 million |
| P/E ratio (TTM) | 55.3 |
| P/B ratio | 5.44 |
| Gross margin | 37.2% |
| Net margin | 25.4% |
| Dividend yield | 0.90% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | NVIDIA NVDA | US | $5.65T |
| 2 | Broadcom AVGO | US | $1.70T |
| 3 | Advanced Micro Devices AMD | US | $1.03T |
| 4 | Intel INTC | US | $630.8B |
| 5 | MediaTek 2454.TW | TW | $249.4B |
| 6 | Marvell Technology MRVL | US | $244.7B |
| 7 | Qualcomm QCOM | US | $197.5B |
| 8 | Infineon Technologies IFNNY | US | $95.0B |
| 9 | Cambricon 688256 | SH | $94.5B |
| 17 | Alchip Technologies 3661.TW | TW | $10.3B |
| 10 | Hygon 688041 | SH | $78.5B |