Antaris

Los Altos, CA · Founded 2021 · Privately Held (backing)

Developer of a cloud-based space mission platform designed to simplify the design, simulation, and operation of satellite missions. Antaris is based in Los Altos, CA and was founded in 2021. Its last reported valuation was $30 million in Sep 2023. It has raised $38.3 million across 2 recorded rounds; the latest was a $12.7 million early-stage round in Mar 2026.

Last reported valuation
$30.0M
Oct 2026
Priced at
—
Total raised
$38.3M
Last round
Early Stage VC
Mar 2026
What is Antaris worth?
$30.0Mlast reported valuation · Oct 2026

Antaris's last reported valuation, Sep 2023. 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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Antaris funding history

2 rounds
DateRoundRaisedPost-money
Mar 2026Early Stage VC$12.7M▮
Aug 2023Early Stage VC$10.0M▮
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Antaris valuation

Antaris's last reported valuation was $30 million in Sep 2023. No priced round, secondary trade or fund mark has surfaced since.

How much has Antaris raised?

Antaris has raised $38.3 million in total; 2 of its rounds are on record. The largest on record was a $10 million early-stage round in Aug 2023; the most recent was a $12.7 million early-stage round in Mar 2026.

Antaris has filed 1 Form D with the SEC, most recently in Sep 2023 ($10 million sold to 27 investors).

How Antaris'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 Antaris, 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 Antaris

What is Antaris worth?
Antaris is valued at $30.0M as of Oct 2026. Antaris's last reported valuation, Sep 2023. Nothing priced has surfaced since.
How much has Antaris raised?
Antaris has raised $38.3M in total funding across 2 recorded rounds.
When did Antaris last raise?
Antaris last raised in Mar 2026 (Early Stage VC), raising $12.7M.