What is SiFive?
SiFive operates as a fabless semiconductor entity that specializes in the development and licensing of processor intellectual property. By utilizing the open RISC-V instruction set architecture, the company enables a diverse array of organizations to design and manufacture customized chips tailored to specific application requirements. This model bypasses the limitations of traditional, proprietary CPU architectures, offering a flexible and scalable alternative for data centers, artificial intelligence, automotive systems, and consumer electronics. As a key enabler of open-standard computing, SiFive provides the essential CPU core designs and system-on-chip building blocks that empower the next generation of hardware innovation.
How much funding has SiFive raised?
SiFive has raised a total of $760.1M across 6 funding rounds:
Series B
$8.5M
Series C
$50.6M
Series D
$65M
Series E
$61M
Series F
$175M
Series G
$400M
Series B (2017): $8.5M with participation from Sutter Hill Ventures, Osage University Partners, and Spark Capital
Series C (2018): $50.6M led by SK Telecom, Chengwei Capital, Spark Capital, Western Digital, Intel Capital, Sutter Hill Ventures, Huami, and Osage University Partners
Series D (2019): $65M supported by Huami, Sutter Hill Ventures, Spark Capital, Osage University Partners, Qualcomm Ventures, and Chengwei Capital
Series E (2020): $61M featuring Osage University Partners, Qualcomm Ventures, Prosperity7 Ventures, Intel Capital, Western Digital Capital, SK HYNIX INC, Spark Capital, and Sutter Hill Ventures
Series F (2022): $175M backed by Coatue, Ibex Investors, Sutter Hill Ventures, and SK Hynix
Series G (2026): $400M with participation from Atreides Management, Apollo Global Management, Point72 Ventures, Prosperity7 Ventures, Capital Group, NVIDIA, and Sutter Hill Ventures
Key Investors in SiFive
NVIDIA
A global technology leader specializing in the design and manufacturing of GPUs, computer hardware, and artificial intelligence computing solutions for data centers and autonomous systems.
Apollo Global Management
A major U.S.-based alternative asset manager that specializes in managing private markets and alternative investments for institutional clients and sovereign wealth funds.
Point72 Ventures
A venture capital firm focused on early-stage investments in financial technology and enterprise software, leveraging deep expertise in infrastructure and market-level innovation.
What's next for SiFive?
With the successful closure of this major enterprise-level funding, SiFive is well-positioned to deepen its penetration into high-growth sectors such as AI-driven computing and advanced automotive systems. The strategic involvement of industry heavyweights suggests a roadmap focused on scaling its engineering capabilities and expanding its global footprint. As the semiconductor industry shifts toward more specialized, workload-optimized hardware, SiFive's open-standard approach provides a distinct competitive advantage. Future initiatives will likely prioritize the enhancement of its software toolchain and the broadening of its ecosystem partnerships to solidify its role as the foundational layer for future silicon design.
See full SiFive company page