Antares

At Antares, we’re building compact nuclear microreactors to deliver reliable, mobile energy where it’s needed most: remote military bases, austere industrial sites, and, one day, deep space and underwater missions.

Latest funding

$470M Series B+ · July 27, 2026

Led by Paradigm · Source: fundraisingfox.com

Total raised: $949M across 5 sourced rounds

All 5 rounds ↓

Website: antaresindustries.com.

X: @AntaresNuclear · 6,105 followers.

LinkedIn: antares-industries.

Categories: Climate and energy Defense and security Manufacturing and industrial.

Sectors: Energy, Industrial, Machinery Manufacturing, Manufacturing, Nuclear.

Stage: Series B+.

Based in: Los Angeles, United States.

Founded: 2023.

Total raised: $949M in 5 sourced rounds.

Last round: Jul 27, 2026 · 111 days ago.

Headcount: 101–250 employees.

On Recent Funding since: Sep 29, 2026.

Signals

X account@AntaresNuclear · created Jan 12, 2024 (2 years old) · 6,105 followers

Website registeredMar 21, 2023 (3 years old)

About Antares

The U.S. nuclear industry hasn’t seen true momentum in decades.

TIMELINE · MONEY RAISED

Antares | 224 days from website to first raise on record

@AntaresNuclear·Raised $949M in 5 sourced rounds·1 signal before the first raise

Money raised, round by round (amounts linked to their source). Pins are dated signals; hover the icons for dates.

Funding rounds

Date	Round	Amount	Lead	Source
Jul 27, 2026	Series B+	$470M	PParadigm	fundraisingfox.com
Jul 27, 2026	Series B+	$370M	CCaffeinated Capital	finsmes.com
Dec 3, 2025	Series B+	$71M	SShine Capital	finsmes.com
Oct 30, 2024	Series A	$30M	AAlt Capital	antaresindustries.com
Oct 31, 2023	Seed	$8M	—	antaresindustries.com

Timeline

January 12, 2024
X account created
March 21, 2023
Website created

Founders and team

JB
Jordan Bramble Founder

@jordanbramble · LinkedIn · source: antaresindustries.com
JD
Julia DeWahl Founder

@juliadewahl · LinkedIn
RB
Rian Bahran Chief Nuclear Officer

Investors

Companies like Antares

NNT-Tao$22M Series A · Feb 2023
RRadiant$300M Series B+ · Dec 2025
BBranch$300M Series B+ · Mar 2026
VVarda$251M Series B+ · Sep 2026
SShepherd$42M Series B+ · Mar 2026
FFactrika$1M Seed · Sep 2026

Other companies backed by Paradigm

NNous Research$90M Series B+ · Oct 2026
NNoise$5.5M Seed · Sep 2026
Iidler$9M Seed · Aug 2026
GGauntlet$125M Series B+ · Jul 2026
EEDX Markets$76M Series B+ · Jul 2026
KKalshi$200M Series B+ · May 2026

Paradigm portfolio →

Sources and API

Every amount links to the page it came from. * Estimated from an accelerator's published standard deal, not a company-specific disclosure. How Recent Funding sources and verifies funding data. The same data as JSON: /api/v1/companies/antares (get a free API key).