SiFive
SI
SiFive designs and licenses RISC-V processor cores and system IP for chipmakers and device manufacturers. It provides configurable CPU designs for embedded, consumer, and data center applications, plus development tools and engineering services. Customers use its IP to build custom SoCs.
Founded by Yunsup Lee (CTO, Founder), Krste Asanovic (Co-Founder & Chief Architect, Founder), Andrew Waterman (Chief Engineer, Founder)
Blended valuation$4.2B$4.7B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$9B
blended valuationfunding round
May 31, 2021$0Oct 5, 2026
All rounds
8 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series G | Apr 9, 2026 | $400M | $3.7B |
| Series F | Mar 16, 2022 | $175M | $2.5B |
| Series E | Aug 11, 2020 | $61M | $327M |
| Series D | Jun 6, 2019 | $65.4M | $507.8M |
| Series C | Apr 2, 2018 | $50.6M | $253.8M |
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Investors
26 investors across all rounds.
- SHSutter Hill Ventures
- SCSpark Capital
- QVQualcomm Ventures
- AMAtreides Management
- SHSK Hynix
- COCoatue
- ICIntel Capital
- PVProsperity7 Ventures
- NVNVIDIA
- POPoint72
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Secondary market activity
Recent buy and sell interest for SiFive shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $3.6B | $7.96 | Sep 29, 2026 | |
| $4.2B | $9.25 | Sep 25, 2026 | |
| $4.4B | $9.75 | Sep 25, 2026 |
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Data as of Oct 16, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.