SiFive

Application Specific Semiconductors · Santa Clara, CA · Founded 2015 · Privately Held (backing)

Developer of customized and open-source-enabled semiconductors designed to democratize access to custom silicon. SiFive is based in Santa Clara, CA and was founded in 2015. It was valued at $3.6 billion at its later-stage round in Apr 2026, the last priced event on record. It has raised $766 million across 6 recorded rounds; the latest was a $175 million Series F in Mar 2022.

PMV mark · valuation
$3.6B
Oct 2026
Priced at
its later-stage round
Apr 2026
Total raised
$765.6M
Last round
Later Stage VC (Series F)
Mar 2022
What is SiFive worth?
$3.6BPrivateMarketView mark · Oct 2026

Valued at $3.6B at its later-stage round, Apr 2026. Nothing has traded since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Markrounds hold their value until the next priced eventMark, today
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SiFive funding history

6 rounds
DateRoundRaisedPost-money
Mar 2022Later Stage VC (Series F)$175.0M▮
Aug 2020Later Stage VC (Series E)$61.0M▮
Jun 2019Later Stage VC (Series D)$65.4M▮
Feb 2018Early Stage VC$29.3M▮
Mar 2017Early Stage VC$8.5M▮
Sep 2015Early Stage VC$5.1M▮
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SiFive valuation

SiFive was valued at $3.6 billion at its later-stage round in Apr 2026. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has SiFive raised?

SiFive has raised $766 million in total; 6 of its rounds are on record, from 2015 on. The largest on record was an $8.5 million early-stage round in Mar 2017; the most recent was a $175 million Series F in Mar 2022.

SiFive has filed 4 Form Ds with the SEC since 2017, most recently in Nov 2018 ($25.4 million sold to 33 investors).

Comparable companies

Comparable application specific semiconductors names by valuation on PrivateMarketView: Positron ($5 billion), Lightmatter ($4.6 billion) and Tenstorrent ($3.2 billion).

How SiFive's valuation is determined

Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.

For SiFive, the most current credible signal sets the number and the older ones confirm it: a live secondary-market price first, then three or more recent prints, then institutional fund marks, and otherwise the last priced round, which never decays. The valuation is the last round’s post-money moved by the price change since that round, so no share count is assumed. Today it is set by its last priced round. Question about this number? Full methodology →

Frequently asked about SiFive

What is SiFive worth?
SiFive is valued at $3.6B as of Oct 2026. Valued at $3.6B at its later-stage round, Apr 2026. Nothing has traded since.
How much has SiFive raised?
SiFive has raised $765.6M in total funding across 6 recorded rounds.
When did SiFive last raise?
SiFive last raised in Mar 2022 (Later Stage VC (Series F)), raising $175.0M.