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
No prints on record
No secondary trades in Antares Nuclear shares have been recorded yet. When market activity lands it appears here as monthly aggregates and, for platform-recorded trades, dated prints.
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The prices on Antares Nuclear
·Price per share on 3 rounds
·1 investment vehicle formed around Antares Nuclear: sponsors, sizes, dates
Secondary marks are indicative month-end price levels observed across secondary-market trading venues — a level, not a trade — and are the market input to the PrivateMarketView mark. Private share prices aren’t published anywhere. Aggregate figures combine multiple reporting channels — direct participant reports, platform transactions, third-party market intelligence — at monthly granularity. Individually dated prints are a Pro feature and are shown only for transactions recorded on our own platform. Third-party-reported trades are never republished individually, at any tier. Verified prints (✓) have been confirmed against a second source. Prints marked SPV or Forward reflect the structure’s pricing, which can differ from direct share transfers of Antares Nuclear stock.
