Castelion

How much has Castelion raised?

Castelion has About $504M reported; the latest valuation or status signal is $2.8B reported.

Total raised
About $504M reported
Disclosed rounds
3
Latest round
Series B - $2.8B reported valuation
Latest valuation
$2.8B reported
First raised
2023
Notable backer
Altimeter

Castelion's funding rounds

Castelion's disclosed funding trajectory is summarized below, oldest to newest.

  1. 2023Seed / early venture - valuation not disclosedEarly financing to start hypersonic strike development.
  2. Early 2025Series A / debt and equity - valuation not disclosedAbout $100M, including equity led by Lightspeed and debt for manufacturing, reported by WSJ coverage.
  3. Dec 2025Series B - $2.8B reported valuation$350M led by Altimeter Capital and Lightspeed Ventures with a16z, General Catalyst, First In, Space VC, Cantos, BlueYard, Avenir, Champion Hill, Interlagos, and others.

Sources:Castelion aboutCastelion Series BAxios Blackbeard / Project Ranger

How much has Castelion raised in total?

Castelion has About $504M reported. The profile uses company announcements where available and clearly labels third-party valuation or revenue signals.

The funding is meaningful because hypersonic strike systems companies typically require capital for engineering, hardware, compliance, testing, go-to-market, and operations before revenue becomes predictable.

Who are Castelion's investors?

Notable backers or financing participants include Altimeter and the investors named in the round details above. The source set includes company announcements and recent market coverage so seller teams can separate first-party facts from database estimates.

Why did the valuation move?

The valuation signal moved with market demand for hypersonic strike systems, customer traction, and the company’s ability to convert prototypes into deployable systems or enterprise workflows. If a valuation is not disclosed, this profile treats it as unknown rather than inferring one.

Is Castelion profitable, and will it IPO?

Profitability is not publicly disclosed unless noted in the overview. No IPO timing is confirmed as of June 2026; for public Kodiak, the relevant status is already Nasdaq listing rather than future IPO speculation.

What does Castelion's funding mean if you sell into them?

Recent funding usually creates budgets for hiring, engineering infrastructure, security, manufacturing, test, cloud, data, compliance, finance systems, and field operations. The strongest pitches map directly to the latest raise: help Castelion shorten development cycles, ship reliable systems, win contracts, or scale customer deployments.

As of June 2026.Sources:Castelion aboutCastelion Series BAxios Blackbeard / Project RangerTracxn Castelion

Castelion — frequently asked questions

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