Mach Industries company profile: valuation, funding & revenue

This Mach Industries company profile covers the company's valuation, revenue, funding rounds, investors and history. Mach Industries works in defense technology, with a focus on autonomous strike vehicles. It was founded in 2023 and is headquartered in Huntington Beach, California, United States. Its latest valuation on record is About US$3.7 billion (September 2026). Every figure links to a public source, and anything the company hasn't disclosed is marked as such.

Revenue

Funding history

Mach Industries timeline

Key dates from the sources on this page, oldest first. Metric snapshots are listed after the funding events.

• 2023 — Mach Industries is founded in Huntington Beach by Ethan Thornton (CEO).
• Jun 2025 — Series B: US$100M, valuing the company at US$470M (post-money).
• Jun 2026 — Series C: US$300M, valuing the company at US$1.8B. Investors: Infinite Capital and Ribbit Capital (leads); Bedrock Capital, Sequoia Capital, Khosla Ventures.
• Sep 2026 — Series C extension: US$600M, valuing the company at About US$3.7B.
• September 2026 — Total Series C funding: About US$900 million (US$300 million in June plus US$600 million in September).

Investors

Mach Industries is a Southern California defense startup building low-cost, long-range autonomous strike vehicles designed to be produced in large numbers. Founded in 2023 by Ethan Thornton, who started it at 19, it raised a US$300 million Series C at US$1.8 billion in June 2026, then US$600 million more three months later at about US$3.7 billion. This profile explains Mach's products, funding and the shift in defense spending that has fuelled its rise.

Mach Industries' valuation

In June 2026 Mach raised a US$300 million Series C led by Infinite Capital and Ribbit Capital, with Bedrock Capital, Sequoia Capital and Khosla Ventures, at a US$1.8 billion valuation, according to Pulse 2.0 and the Orange County Business Journal. On 10 September 2026 the company said it had received a further US$600 million of Series C financing, roughly doubling its valuation to about US$3.7 billion, according to the Orange County Business Journal. A year earlier, its US$100 million Series B in June 2025 had valued it at US$470 million post-money, so its value rose about eightfold in 15 months.

What Mach builds

Mach's main product is Viper, a long-range autonomous strike vehicle, essentially a cruise-missile-like drone designed to be far cheaper than traditional munitions so that militaries can buy them in large quantities. Its earliest work focused on hydrogen-based propulsion, and it has since broadened into a family of autonomous strike and surveillance systems. Its products are designed for "mass": the idea that future conflicts will require many affordable weapons rather than a few very expensive ones.

Mach emphasises rapid design cycles and in-house manufacturing at its Huntington Beach facilities, and has said it plans to build large production sites across the US to make thousands of units.

Founder

Ethan Thornton founded Mach in 2023 after leaving MIT, and was 22 at the time of the 2026 rounds, according to the Orange County Business Journal. He has argued that the US defense industrial base is too slow and too concentrated among a few large contractors to produce weapons at the scale and speed that modern conflicts require.

Why investors are backing cheap, mass-produced weapons

The wars in Ukraine and the Middle East showed that cheap drones and missiles, used in large numbers, can overwhelm expensive defences and change the economics of combat. US defense planners, concerned about a possible conflict in the Pacific, have pushed for more affordable, attritable systems that can be produced quickly. Programmes and policy changes in 2025 and 2026 encouraged the Pentagon to buy from newer suppliers. Venture investors, who once avoided defense, now compete to back companies like Mach, Anduril, Castelion and Neros.

Funding history

• 2023–2024: seed and Series A funding.
• June 2025: US$100 million Series B at US$470 million post-money.
• June 2026: US$300 million Series C at US$1.8 billion, led by Infinite Capital and Ribbit.
• September 2026: additional US$600 million of Series C at about US$3.7 billion.

Total funding was about US$485 million before the September extension, according to Sacra, and well above US$1 billion after it.

Competitive landscape

Mach competes with established missile makers such as RTX, Lockheed Martin and General Dynamics, and with newer companies building affordable strike weapons and drones, including Anduril, Castelion, which develops hypersonic missiles, and loitering-munition makers such as AeroVironment. Its differentiator is a focus on very low cost and high-volume manufacturing. See our defense tech startups guide and drone companies guide.

Risks

• From prototypes to programmes: winning large, long-term contracts is far harder than demonstrating prototypes.
• Manufacturing: building thousands of units requires factories, supply chains and quality control.
• Budget politics: defense spending priorities can change with administrations and Congress.
• Valuation: an eightfold rise in about 15 months assumes rapid contract growth.
• Ethics: autonomous weapons raise legal and moral questions that may shape regulation.

Questions to ask

• What contracts has Mach won, and what is its backlog?
• How many Vipers can it produce per month today?
• What is the unit cost, and how does it compare with existing munitions?
• Who are its customers outside the US?

Timeline in brief

• 2023: founded by Ethan Thornton.
• June 2025: US$100 million Series B at US$470 million.
• June 2026: US$300 million Series C at US$1.8 billion.
• September 2026: US$600 million more at about US$3.7 billion.

Mach Industries at a glance

Mach Industries is a Huntington Beach, California defense company founded in 2023 by Ethan Thornton that builds low-cost autonomous strike vehicles, including Viper, for mass production. It raised a US$300 million Series C at US$1.8 billion in June 2026, led by Infinite Capital and Ribbit Capital, and a further US$600 million in September 2026 at about US$3.7 billion.

How Mach plans to manufacture at scale

Traditional missiles are built in small batches by highly specialised workforces, which keeps costs high and output low. Mach's approach borrows from consumer electronics and automotive manufacturing: simple designs, common components, automated production lines and rapid iteration between design and factory. The company has said it intends to build large factories across the US to produce thousands of vehicles a year. If it can deliver capable weapons at a fraction of today's prices, militaries could buy them in quantities large enough to deter or overwhelm an adversary.

That approach depends on supply chains for engines, guidance electronics, batteries and airframes that can scale with demand, and on the Pentagon placing large, steady orders that justify the investment in factories.

What to watch

Watch for production contracts, factory openings, test results and further funding. Compare it with other defense startups in our guides.

Takeaways

Mach is one of the clearest examples of the defense tech boom: a very young company valued in the billions on the promise of cheap weapons made at scale. Delivering on production and contracts will decide whether that valuation holds.

Sources

Every figure on this page comes from the public sources below. Where sources disagreed, we used the company's own announcement or a primary news report. Private-company data changes; check the date beside each figure.

1. Orange County Business Journal
2. Pulse 2.0