Sunflower Labs

San Carlos, CA · Founded 2016 · Privately Held (backing)

Developer of an autonomous home awareness system designed to offer outdoor home security. Sunflower Labs is based in San Carlos, CA and was founded in 2016. Its last reported valuation was $55 million in Aug 2021. It has raised $41.7 million across 3 recorded rounds; the latest was a $1.5 million seed round in Dec 2023.

Last reported valuation
$55.0M
Oct 2026
Priced at
—
Total raised
$41.7M
Last round
Seed Round
Dec 2023
What is Sunflower Labs worth?
$55.0Mlast reported valuation · Oct 2026

Sunflower Labs's last reported valuation, Aug 2021. Nothing priced has surfaced since.

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Valuation timeline

0 priced rounds · 32 daily marks since · Sep 2026 – Oct 2026
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Sunflower Labs funding history

3 rounds
DateRoundRaisedPost-money
Dec 2023Seed Round$1.5M▮
Jul 2023Seed Round$505K▮
Jul 2021Early Stage VC$9.9M▮
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Sunflower Labs valuation

Sunflower Labs's last reported valuation was $55 million in Aug 2021. No priced round, secondary trade or fund mark has surfaced since.

How much has Sunflower Labs raised?

Sunflower Labs has raised $41.7 million in total; 3 of its rounds are on record, from 2021 on. The largest on record was a $9.9 million early-stage round in Jul 2021; the most recent was a $1.5 million seed round in Dec 2023.

Sunflower Labs has filed 3 Form Ds with the SEC since 2021, most recently in Dec 2023 ($1.5 million sold to 1 investor).

How Sunflower Labs'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 Sunflower Labs, 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 last reported valuation. Question about this number? Full methodology →

Frequently asked about Sunflower Labs

What is Sunflower Labs worth?
Sunflower Labs is valued at $55.0M as of Oct 2026. Sunflower Labs's last reported valuation, Aug 2021. Nothing priced has surfaced since.
How much has Sunflower Labs raised?
Sunflower Labs has raised $41.7M in total funding across 3 recorded rounds.
When did Sunflower Labs last raise?
Sunflower Labs last raised in Dec 2023 (Seed Round), raising $1.5M.