

Startup · United States
Antares
HQ Torrance, United StatesFounded 2023
Nuclear microreactor developer building deployable power systems for the U.S. military.
Funding4 rounds · $604M
- Disclosed
- $604M
- Latest
- $470MSeries C · Jul 27, 2026
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Jul 27, 2026 | Series C | $470M | — | Caffeinated Capital, Paradigm | Industrious Ventures, Point72 Ventures, Shine Capital | Confirmed |
| Dec 2, 2025 | Series B | $96.0M | — | Shine Capital | Alt Capital, Caffeinated Capital, Industrious Ventures | Confirmed |
| Oct 31, 2024 | Series A | $30.0M | — | Alt Capital, Caffeinated Capital | BoxGroup, Shine Capital | Confirmed |
| Oct 30, 2023 | Seed | $8.1M | — | — | — | Confirmed |
- $470MJul 27, 2026
- $96.0MDec 2, 2025
- $30.0MOct 31, 2024
- SeedConfirmed$8.1MOct 30, 2023
Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.
Government awards & programs1 program
Supply chain1 facility
Facilities1
| Facility | Kind | Location | Status | Confidence |
|---|---|---|---|---|
| Antares Torrance facility | Factory | Torrance, California, United States | Operating | Reported |
- Antares Torrance facilityFactory · Torrance, California, United StatesOperatingReported
People1
Hiring observations19 listings
Los Angeles · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
General Application for Engineers ↗
Los Angeles · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Observed Oct 5, 2026
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Los Angeles · Full-time · Manufacturing
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Manufacturing Engineer - Integration ↗
Los Angeles · Full-time · Manufacturing
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Manufacturing Engineer - Supply Chain ↗
Los Angeles · Full-time · Manufacturing
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Mechanical Design & Integration Engineer - Space ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Nuclear Instrumentation and Controls Test Engineer ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Los Angeles · Full-time · Manufacturing
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Senior Civil / Structural Engineer ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Senior Controls Engineer - Mechanical / Mechanisms ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Senior Electrical R&D Specialist ↗
Los Angeles · Full-time · Other
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Senior Mechanical / Thermal Engineer - Heat Transfer Systems ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Senior Mechatronics Engineer ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Senior Turbomachinery Engineer ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
Software Engineer - Backend / Embedded ↗
Los Angeles · Full-time · Engineering
Availability unverified · Black Flag job board
Observed Oct 5, 2026
A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.
Sources16
Profile5
- 1
cbinsights.com · Supports Organization · founded year
“Antares was formerly known as Antares Industries. It was founded in 2023 and is based in Torrance, California.”
- 2
Antares Nuclear · Supports Organization · name
“Antares Nuclear: Factory-Produced Fission Microreactors for Strategic Energy”
- 3CompanyAntares — official website
Supports Organization · website
“We design and manufacture modular, transportable reactors for strategic energy applications on Earth and in space.”
- 4
Black Flag · Supports Organization
“Designs and manufactures compact nuclear microreactors to provide reliable, mobile energy solutions for critical and hard-to-reach locations, including remote”
- 5
Funding9
- 6
Los Angeles Times · Aug 11, 2026 · Supports Funding round · amount
“raised $470 million in Series C funding, co-led by Paradigm and Caffeinated Capital, with participation from Point72 Ventures, Shine Capital, Industrious Ventures and others”
- 7
Dow Jones via Morningstar · Jul 27, 2026 · Supports Funding round, Funding round · amount, Funding round · investors, Organization
“The capital includes $370 million in equity and $100 million in debt.”
- 8Regulatory filingAntares Nuclear, Inc. - SEC Form D (0001998786-26-000002)
U.S. Securities and Exchange Commission · Jul 27, 2026 · Supports Funding round
“Total Amount Sold $ 319,999,537 USD”
- 9
TechCrunch · Dec 2, 2025 · Supports Funding round · amount
“Nuclear startup Antares said Tuesday it has raised $96 million in Series B funding as it pursues its small modular reactor design.”
- 10Regulatory filingAntares Nuclear, Inc. - SEC Form D (0001998786-25-000002)
U.S. Securities and Exchange Commission · Sep 19, 2025 · Supports Funding round
“Total Amount Sold $ 51,045,266 USD”
- 11
Crowell & Moring · Oct 31, 2024 · Supports Funding round · amount
“has successfully raised $30 million in Series A financing, bringing their total capital raised to over $38 million”
- 12Regulatory filingAntares Nuclear, Inc. - SEC Form D (0001998786-24-000002)
U.S. Securities and Exchange Commission · Oct 9, 2024 · Supports Funding round
“Total Amount Sold $ 27,529,968 USD”
- 13Regulatory filingAntares Nuclear, Inc. - SEC Form D (0001998786-23-000001)
U.S. Securities and Exchange Commission · Oct 30, 2023 · Supports Funding round
“Total Amount Sold $ 8,116,498 USD”
- 14
Supply chain1
- 15
Los Angeles Times · Dec 3, 2025 · Supports Facility
“It operates from a 145,000-square-foot facility in”
People1
- 16OtherBlack Flag 100
Black Flag · Supports Organization, Role
“Antares is pioneering the development of transportable microreactors to provide resilient, clean energy for military and strategic applications on Earth, in”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.