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 […] The post RISC-V chip design startup SiFive nabs $400M investment appeared first on SiliconANGLE.
Relevance score:78/100

Get stories like this every Friday.

The 5 AI stories that matter — free, in your inbox.

Free forever. No spam.