In April 2026, SiFive raised USD 400 million in series G funding led by Atreides Management, with participation from D1 Capital Partners, Apollo Global Management, Nventures, Point72 Asset Management, T Rowe Price, Aramco Ventures, and Sutter Hill Ventures. The company valuation reached $3.65 billion. SiFive achieved record growth in 2025 with IP featured in 500+ designs and 10 billion SiFive-based cores shipped worldwide.
Cyborg Score Rationale
SiFive demonstrates exceptional momentum with a $400M Series G funding round (April 2026) at $3.65B valuation, backed by top-tier investors including Nvidia. The company shows strong market traction with 500+ IP designs and 10 billion cores shipped in 2025. RISC-V ecosystem is gaining momentum with major software support from Red Hat and Nvidia CUDA porting commitments.
Top Insights
April 2026: Raised $400M Series G at $3.65B valuation with Nvidia participation, signaling major endorsement for RISC-V in AI infrastructure
2025: Achieved 10 billion cores shipped globally with 500+ IP designs in active deployment across multiple sectors
October 2025: Launched 2nd-generation Intelligence X-Series with enhanced AI inference performance vs. Arm at lower power
Software momentum: Red Hat ported RHEL 10 to RISC-V and Nvidia committed to CUDA porting, validating open ISA ecosystem expansion
Named Competitors
ARM — Dominant proprietary instruction set architecture for mobile and embedded processors
VeriSilicon — Custom SoC design and semiconductor IP provider
Arteris IP — NoC and SoC interconnect IP solutions
Recent Developments
(April 2026) Raised $400M Series G funding led by Atreides Management with Nvidia and other major investors
(April 2026) Announced Nvidia NVLink Fusion integration into high-performance RISC-V data center solutions
(October 2025) Launched 2nd-generation Intelligence X-Series cores (X160/X180/X280/X390 Gen 2) for edge AI
(2025) Red Hat ported Enterprise Linux 10 to RISC-V; Nvidia committed to CUDA porting
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