The Money TrailApril 10, 2026via SiliconAngle
RISC-V chip design startup SiFive nabs $400M investment
Why it matters
SiFive's $3.65B valuation and NVIDIA backing signal serious institutional commitment to RISC-V as an alternative architecture for AI infrastructure. This matters to founders building custom silicon: open-source chip designs are becoming competitive with proprietary alternatives, lowering barriers to entry for AI accelerator makers.
Key signals
- Series G: $400M funding round
- Post-money valuation: $3.65B
- Lead investor: Atreides Management
- Backers include: NVIDIA, Apollo investment firm, other institutional investors
- Architecture: Open-source RISC-V (alternative to Arm)
- Company sells chip designs, not chips directly
The hook
$400M. That's what SiFive just raised to challenge Arm's chip design dominance with open-source RISC-V.
SiFive Inc., a startup that sells chip designs based on the open-source RISC-V architecture, has raised $400 million in funding at a $3.65 billion valuation. Atreides Management led the Series G round. SiFive said in today’s funding announcement that Nvidia Corp., enterprise technology investor Apollo and other institutional backers contributed as well. The company’s total […]
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