PiggyGPT

Private companiesCovered

Castelion

Torrance, CA · Founded 2022

Castelion designs, tests and manufactures the Blackbeard low-cost hypersonic strike missile and is developing longer-range strike weapons and defensive systems for the U.S. military.

Funding

Last round or tender
Series C, Aug 19, 2026, $800M raisedCastelion (company release), Aug 19, 2026$800 million of equity plus a $250 million committed revolving credit facility; the release calls it a $1 billion round.
Last valuation
$13.00B, Aug 19, 2026Castelion (company release), Aug 19, 2026

Secondary venues

A venue is listed when its public page named the company on the date shown. Nothing is recorded from behind a login, and no indicative price is shown anywhere on this site.

Reads

Acquisition: Quiet

No cited tie to a buyer. What is on file is contracts, rounds and partnerships without one.

Prepared by PiggyGPT, as of Oct 6, 2026

Signals

  • Jun 16, 2026The U.S. Navy ordered 50 Early Operational Capability Blackbeard prototypes for $23.4 million.Castelion (company news), Jun 16, 2026
  • Aug 19, 2026Castelion announced a Series C of $800 million in equity plus a $250 million committed revolving credit facility, co-led by JPMorganChase’s Strategic Investment Group, Andreessen Horowitz and Carlyle, at a $13 billion valuation.Castelion (company release), Aug 19, 2026
  • Sep 14, 2026The U.S. Navy placed a production delivery order valued at up to $200 million for Blackbeard hypersonic weapons.Castelion (company release), Sep 14, 2026

A summary of what the figures on this page add up to, prepared by PiggyGPT from the record on file and its cited sources. Not the Street's view, and not advice.

Sources

Researched Oct 6, 2026