Unclassified // open-source data on US defense tech // 14 NOV 2026
Advanced Materials sector
The El Segundo advanced materials company company in El Segundo, California

Cambium

Develops high-temperature resins, carbon-carbon thermal protection and composite materials for hypersonic glide bodies, rocket motors and aircraft.

Stryker Dragoon at sunset, Malacky Air Base, Slovakia. Photo: U.S. Army photo by Maj. John Ambelang, Public domain (PD-USGov-Military-Army).

Latest round$100MSeries B, Jan 2026
Total raised~$127M~$127M

Funding history

DateRoundAmount
Jan 2026Series B$100M

Why it matters

ApexShield 1000 resin cuts carbon-carbon part fabrication time by up to 80%; ApexShield 3000 coating launched June 2026; contracts tied to defense programs of record.

ProductsApexShield 1000ApexShield 3000

Is Cambium publicly traded?

Cambium is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.

Information only, not investment advice.

Some figures rest on a single report. Treat them as indicative.Last verified November 14, 2026

Cambium: key questions

What does Cambium do?

Develops high-temperature resins, carbon-carbon thermal protection and composite materials for hypersonic glide bodies, rocket motors and aircraft.

What does Cambium make?

Products named by Cambium include ApexShield 1000 and ApexShield 3000.

Where is Cambium based?

Cambium is headquartered in El Segundo, California. It was founded in 2020.

How much funding has Cambium raised?

Total funding is ~$127M, based on announced and reported rounds. Latest round: Series B, $100M, Jan 2026.

Who are Cambium's investors?

Notable investors include 8VC, MVP Ventures, Lockheed Martin Ventures, Veteran Ventures Capital, J17 Ventures.

Is Cambium publicly traded?

Cambium is privately held as of November 14, 2026: there is no ticker and no announced IPO. Shares are not available on public exchanges.

Can you buy Cambium stock?

Not on a public exchange: Cambium is a private company. Shares of private companies change hands only in private transactions open to accredited investors, when the company allows it. This is not investment advice.

Sources

  1. pulse2.com/cambium-100-million-series-b-raised-to-scale-ai-driven-advanced-materials-platf
  2. compositesworld.com/products/high-temp-resin-eliminates-hypersonic-composite-part-bottlene
  3. techcrunch.com/2023/12/05/cambium-closes-19m-series-a-to-develop-advanced-biomaterials-for

Figures come from company announcements, government sources and press reports. Spot an error? Send a correction. Nothing here is investment advice.