SiFive, the California-based semiconductor company specializing in RISC-V processor intellectual property (IP), has successfully closed a $400 million Series G funding round at a company valuation of $3.65 billion. The investment round, announced on April 9, 2026, was led by Atreides Management and included participation from major investors such as Nvidia, Apollo Global Management, D1 Capital Partners, and Point72. This marks the final funding round before the company’s anticipated initial public offering (IPO), signaling strong investor confidence in the future of open-source chip architecture.
Strong Investor Backing for Open-Source Chip Future
The funding round underscores the growing interest in open-source hardware architectures, particularly RISC-V, which was originally developed at the University of California, Berkeley. SiFive’s leadership in this space has positioned it as a key player in the semiconductor industry’s shift toward more flexible and accessible chip designs. The company’s technology is being adopted by a wide range of industries, from automotive and IoT devices to data centers and AI accelerators.
Strategic Implications Ahead of IPO
With this latest capital infusion, SiFive is well-positioned to accelerate its product development and expand its market reach. The company’s RISC-V-based processors are increasingly being seen as alternatives to traditional ARM and x86 architectures, especially in applications where customization and cost-efficiency are critical. The investment also reflects the broader tech industry’s growing reliance on open-source solutions, which are seen as more resilient and less prone to supply chain disruptions.
As SiFive prepares for its IPO, the company’s valuation and funding success highlight the increasing commercial viability of open-source hardware. With major tech players like Nvidia investing, it’s clear that RISC-V is no longer a niche technology but a serious contender in the global chip market.



