Arm Holdings (ARM, US) is a UK company in the EDA & Semiconductor IP segment of the AI compute value chain — licensor of CPU architectures used across mobile and increasingly data-center silicon. As of October 04, 2026, its market cap is $328.4 billion ($328.4B), ranking #15 of 244 companies overall and #1 of 7 in the EDA & Semiconductor IP segment (60.4% of the segment, 1.30% of the chain). Over the past year the stock gained 102.1% (52-week range 104.55 – 439.46 USD).
| Company | Arm Holdings（安谋） |
|---|---|
| Ticker | ARM · US |
| Segment | EDA & Semiconductor IP |
| Headquarters | UK |
| Market cap | $328.4B（$328.4 billion） |
| Close | 307.49 USD (October 04, 2026) |
| Today | +5.18% |
| 30 days | +22.64% |
| 1 year | +102.10% |
| 52-wk high / low | 439.46 / 104.55 USD |
| Share of segment | 60.4% (EDA & Semiconductor IP: 7 companies) |
| Share of chain | 1.30% (244 companies combined) |
| Segment leader | Arm Holdings ($328.4B) |
| Revenue (TTM) | $5.2 billion |
|---|---|
| Net income (TTM) | $1.0 billion |
| Employees | 9,584 |
| P/E ratio (TTM) | 314.6 |
| P/B ratio | 38.05 |
| Gross margin | 97.5% |
| Net margin | 20.2% |
| Basis | TTM (source: StockAnalysis, 2026-10-05 07:49) |
| # | Company | Market | Market cap |
|---|---|---|---|
| 1 | Arm Holdings ARM | US | $328.4B |
| 2 | Cadence Design Systems CDNS | US | $96.8B |
| 3 | Synopsys SNPS | US | $93.9B |
| 4 | VeriSilicon 688521 | SH | $13.4B |
| 5 | Empyrean Technology 301269 | SZ | $6.9B |
| 6 | Primarius Technologies 688206 | SH | $2.7B |
| 7 | Semitronix 301095 | SZ | $2.0B |