Antares Nuclear

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

Manufacturer of a transportable microreactor intended to provide reliable power in remote or austere environments. Antares Nuclear is based in Redondo Beach, CA and was founded in 2023. It was valued at $280 million at its Series B in Dec 2025, the last priced event on record. It has raised $604 million across 4 recorded rounds; the latest was a $470 million Series C in Jul 2026.

PMV mark · valuation
$279.9M
Oct 2026
Priced at
its Series B
Dec 2025
Total raised
$604.1M
Last round
Series C
Jul 2026

Who backs Antares Nuclear?

31 investors
InvestorType
BoxGroupVenture capital
Caffeinated Capital—
Point72 VenturesVenture capital
Shrug Capital—
Republic Capital—
Pathbreaker VenturesVenture capital
Alt Capital (San Francisco)Venture capital
Industrious VenturesVenture capital
Shine Capital—
Balerion Space VentureVenture capital
+ 21 more investors · a free account shows the complete list
The directory is free. Investor activity — the working column — is Pro.Unlock prospecting columns

Membership and data by Private Market View

Antares Nuclear investors

31 investors are on record for Antares Nuclear, including BoxGroup, Caffeinated Capital, Point72 Ventures and Shrug Capital. By type, the record holds 10 venture capital firms. The Series C in Jul 2026 drew 5 investors.

Free account
More of Antares Nuclear with a free account
  • ·Post-money valuations for 3 rounds
  • ·The complete investor list: 31 names
  • ·Watch Antares Nuclear: the Monday email on marks, rounds and moves
Create free account
No card required

Membership and data by Private Market View

For fundraisers
Work this list, don’t just read it

These 31 firms already write checks for companies like Antares Nuclear. Build the wider list: every firm that has backed a company like this one, ranked by how often and how recently.

Find investors like these →

Membership and data by Private Market View