Arm Holdings is a British semiconductor and software design company headquartered in Cambridge, England, whose primary business is the design of CPU, GPU, and NPU cores implementing the ARM architecture. Founded in 1990 as Advanced RISC Machines, it is majority-owned by SoftBank Group and is not a venture capital or investment firm.
55% of their portfolio is in Hardware & Semiconductors. Deal activity increased 200% year-over-year (3 deals in the last 12 months). Average disclosed round size is $68.0M (across 9 rounds with reported amounts).
Portfolio
11
Fund Size
—
Top Stage
Series B
Last 12 Mo
3
Team
Chris Bergey
Executive Vice President, Edge AI Business Unit
Gary Campbell
Executive Vice President, Central Engineering
Spencer Collins
Executive Vice President, Chief Legal Officer and Head of Corporate Development
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
 Positron | Series B | $230M | Feb 2026 |
 Eliyan | Series C | $50M | Jan 2026 |
 Rebellions | Series C | — | Sep 2025 |
 Enfabrica | Series C | $115M | Nov 2024 |
 Oxford Ionics | Series A | — | Jan 2023 |
 Arduino | Series B | $32M | Jun 2022 |
 Ampere Computing Holdings LLC | Unknown | $40M | Apr 2019 |
| SSpin Memory | Series B | $52M | Nov 2018 |
| SSwim.ai | Series B | $10M | Jul 2018 |
| CCalxeda | Unknown | $55M | Oct 2012 |
 Ambiq Micro | Series E | $28M | — |
Top Co-Investors
Last updated: 7 October 2026