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SiFive

SiFive designs chips for the semiconductor industry, providing RISC-V processors.

AI infrastructure and computeRobotics and hardwareConsumer and social
Latest funding

$400M Series B+ ·

Led by Atreides Management · Source: fundraisingfox.com

Total raised: $760.5M across 6 sourced rounds

All 6 rounds ↓
Website: sifive.com.
X: @SiFive · 14,273 followers.
GitHub: sifive.
LinkedIn: sifive.
Categories: AI infrastructure and compute Robotics and hardware Consumer and social.
Stage: Series B+.
Based in: San Francisco, United States.
Founded: 2015.
Total raised: $760.5M in 6 sourced rounds.
Last round: Apr 9, 2026 · 220 days ago.
Headcount: 501–1000 employees.
On Recent Funding since: Sep 29, 2026.

Signals

X account@SiFive · created Apr 20, 2016 (10 years old) · 14,273 followers
Website registeredAug 8, 2014 (12 years old)
About SiFive

It offers core IP, system IP, development platforms, and software tools. SiFive's customers include businesses in AI & ML, automotive, edge computing, IoT, consumer, datacenter, and storage sectors. The company makes money by licensing its RISC-V IP.

TIMELINE · MONEY RAISED

SiFive | 1004 days from website to first raise on record

@SiFive·Raised $761M in 6 sourced rounds·2 signals before the first raise
$190M$380M$570M$761MSEPMAYJAN 2018SEPMAYJAN 2023SEPMAY$761M||WEBSITE CREATED · AUG 8, 2014||X ACCOUNT CREATED @SIFIVE · APR 20, 2016$8.5M Series B+ · May 8, 2017$8.5M B+ · MAY '17$50.6M Series B+ · Apr 2, 2018$50.6M B+ · APR '18$65.4M Series B+ · Jun 6, 2019$65.4M B+ · JUN '19$61M Series B+ · Aug 11, 2020$61M B+ · AUG '20$175M Series B+ · Mar 16, 2022$175M B+ · MAR '22$400M Series B+ · Apr 9, 2026$400M B+ · APR '26

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

DateRoundAmountLeadSource
Series B+$400MAAtreides Managementfundraisingfox.com
Series B+$175MCCoatuesiliconangle.com
Series B+$61MSSK hynixsifive.com
Series B+$65.4MCChengwei Capitalsifive.com
Series B+$50.6MOOsage University Partnerssifive.com
Series B+$8.5MSSpark Capitalsiliconangle.com

Timeline

  1. X account created
  2. Website created

Founders and team

Investors

Companies like SiFive

Other companies backed by Atreides Management

Atreides Management portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/sifive (get a free API key).

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