Private Market View

Antares Nuclear

Redondo Beach, CA · Founded 2023 · Privately Held (backing)

PA Mark · $/share
$11
Sep 2026
Implied valuation
$279.9M
Total raised
$604.1M
Last round
Series C
Jul 2026

Key facts

as of Sep 2026
  • Antares Nuclear is valued at approximately $279.9M (~$11/share) as of Sep 2026, per Private Market View’s composite mark.
  • It has raised $604.1M across 4 recorded rounds; the latest was Later Stage VC ($470.0M) in Jul 2026.
  • Notable investors include BoxGroup, Caffeinated Capital, Point72 Ventures, Shrug Capital, Republic Capital — 31 tracked in total.
  • 1 investment vehicle was formed to buy Antares Nuclear shares in the last 12 months, reporting $105K sold to 1 investors, per SEC Form D filings.
  • Antares Nuclear has filed 3 Form Ds with the SEC since 2023, most recently Sep 2025 ($51.0M sold to 31 investors).
  • Status: Privately Held (backing).
PA Mark — composite indicative price
LOW confidence
~$11per share
implies $279.9M valuation · as of Sep 2026 · the exact daily mark is a member feature
Composed from 1 inputs:Round prints 100%
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  • ·Post-money valuations for all 4 rounds
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Recorded secondary trades

No prints on record

No secondary trades in Antares Nuclear shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.

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Institutional fund marks

No fund marks yet

No SEC-registered fund has reported a fair-value mark on Antares Nuclear in its N-PORT filings yet. We sweep new filings monthly.

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Funding rounds

4 rounds
Jul 2026Series C$470.0M▮
Dec 2025Series B$96.0M▮
Oct 2024Series A$30.0M▮
Oct 2023Seed Round$8.1M▮
Full funding history →

Secondary demand: investment vehicles

from SEC Form D filings

In the last 12 months, 1 investment vehicle were formed to buy Antares Nuclear shares, reporting $105K sold to 1 investors. Most recent filing Dec 2025. Vehicles like these are how secondary buyers pool demand for a name; a rising count is a demand signal.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 1 vehicle →
Companies with the most vehicle activity →

Leadership

About Antares Nuclear

Manufacturer of a transportable microreactor intended to provide reliable power in remote or austere environments. The company designs and builds microreactors for critical infrastructure, defense, and space applications, enabling clients to deploy resilient energy systems with minimal maintenance.

Sector
Business Products and Services (B2B)
HQ
Redondo Beach, CA, United States
Founded
2023
Employees
128
Ownership
Privately Held (backing)