Castelion Private Market Data · Verified October 9, 2026
Valuation reflects IPO CLUB research based on news, broker data, research reports and press releases. Private-market information may change.
This company is in the pipeline of America 2030, IPO CLUB’s short-term, actively managed secondary fund focused on U.S. defense, energy, security, and AI.
Updated in September 2026
Castelion is a private company based in El Segundo, California. It has no stock ticker and has not announced an IPO. In August 2026 it raised a $1 billion Series C at a $13 billion valuation.
Headquarter: El Segundo, California, USA
Year Founded: 2022
Leadership: Bryon Hargis (Co-Founder and CEO)
Industry Sectors: Defense technology; Hypersonic weapons; Missile systems; National security
Funding Round: Series C ($1B, Aug 2026): $800M equity plus a $250M revolving credit facility, led by J.P. Morgan Chase Strategic Investment Group, Andreessen Horowitz and Carlyle
Is Castelion A Public Company? No, it is currently private
What Is Castelion?
Castelion is a U.S.-based defense technology company founded in 2022 by former SpaceX engineers, including Bryon Hargis, Sean Pitt, and Andrew Kreitz (former SpaceX Executives), and headquartered in El Segundo, California. The company was created to address the growing need for mass-producible, low-cost, long-range precision weapons, particularly as global security dynamics shift toward peer and near-peer competition. Castelion’s mission is to modernize defense manufacturing by applying commercial aerospace production principles to advanced strike systems.
In August 2026, Castelion raised a $1 billion Series C at a $13 billion valuation to scale production of Blackbeard, its hypersonic strike missile. The company says Blackbeard went from a clean sheet to a program of record in under four years, with fielding targeted for 2027, and that it has won more than $500 million in U.S. military contracts over the past 18 months. (Source: Carlyle, August 19, 2026)
Technology & Products
Castelion focuses on the development of hypersonic and long-range strike weapons, emphasizing designs that are manufacturable at scale rather than bespoke, low-volume systems. The company leverages vertically integrated engineering, rapid iteration, and modern supply chain practices to reduce cost and production timelines. While detailed technical specifications are not fully public, Castelion has stated that its systems are designed to deliver high-speed, survivable, and precise strike capability, aligning with U.S. Department of Defense priorities around distributed, resilient deterrence.
Market Opportunity
Castelion operates in the expanding advanced weapons and long-range fires market, driven by increased defense spending and heightened focus on hypersonic capabilities among major military powers. U.S. and allied defense agencies are actively seeking alternatives to traditional defense procurement models, favoring systems that can be produced quickly and in meaningful quantities. Castelion targets government defense customers, positioning itself to benefit from long-term investments in strategic deterrence, missile modernization, and industrial base resilience.
Competitive Landscape
Castelion competes with traditional defense primes and other venture-backed defense companies developing hypersonic and long-range weapons, such as Anduril, which builds the Barracuda family of low-cost cruise missiles. Its primary differentiation lies in its manufacturing-first philosophy, prioritizing cost, scalability, and production speed over highly customized designs. While incumbents bring deep program experience and established contracts, Castelion positions itself as a new-generation defense supplier, aiming to complement or disrupt legacy approaches by delivering advanced capabilities at significantly lower unit cost and higher volumes.
How To Buy Castelion Stock?
Castelion is currently a private company and is not publicly traded on major stock exchanges like the NASDAQ or NYSE. This means you can buy shares through a pre-IPO platform or brokerage like IPO CLUB by becoming a FREE MEMBER.
Access the Data Room for valuation data, live deals, investment memos, IPO insights, sector reports, and newsletter archive.
FAQ
Last updated:
What is Castelion's valuation?
IPO CLUB research tracks Castelion's valuation in the Private Market Data section at the top of this page, updated whenever our research changes.
- Castelion is private, so there is no public share price. Secondary transactions, when they happen, are limited and illiquid.
How can I invest in Castelion pre-IPO through IPO CLUB?
Castelion access on IPO CLUB is typically offered to accredited investors via curated secondary allocations, including the America 2030 Fund and Single-Name SPVs.
- You need to qualify as an accredited investor to participate.
- Availability depends on secondary supply and seller willingness.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
Do you currently have access to Castelion shares?
Castelion availability on IPO CLUB can change and is generally limited to Single-Name SPVs.
- To check if Castelion is currently on offer, register or log in to the IPO CLUB membership area and open Live Deals.
- Secondary allocations may open or close depending on seller participation.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
Is Castelion publicly traded, and does it have a stock ticker?
No. Castelion is a private company, so it has no stock ticker, no stock symbol and no public share price.
- There is no public-market quote or ticker for Castelion.
- Transactions, if available, are generally secondary and may be illiquid.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
When is the Castelion IPO?
Castelion has not announced an IPO or a listing date.
- No IPO date is guaranteed or required for a secondary allocation.
- Timing can depend on market conditions and company decisions.
- Access is provided through the America 2030 Fund or Single-Name SPVs.
What security types are typically used for Castelion transactions on IPO CLUB?
Castelion exposure on IPO CLUB is typically provided to accredited investors through structured vehicles such as the America 2030 Fund and Single-Name SPVs used for curated secondary allocations.
- Single-Name SPVs are commonly used to pool investor participation.
- Member exposure is to an interest in the relevant vehicle, not necessarily direct shares.
- Final structure can vary by allocation and seller terms.
What are the risks of buying Castelion pre-IPO shares?
Castelion pre-IPO investing can be illiquid and high-risk, and IPO CLUB access is limited to accredited investors via curated secondary allocations through the America 2030 Fund and Single-Name SPVs.
- Liquidity risk: you may not be able to sell quickly or at a desired price.
- Execution risk: transfers can be delayed or blocked by restrictions.
- Timing risk: there may be no IPO or liquidity event on a predictable schedule.
Why might a Castelion allocation not be confirmed?
Castelion allocations can fail to confirm due to limited secondary supply, transfer restrictions, or changing seller terms.
- Supply can be oversubscribed or withdrawn by sellers.
- Transfer approvals or documentation issues can prevent closing.
- Allocation sizing can change based on final secondary availability.
Today’s show: Jason interviews Bryon Hargis, CEO of Castelion, about the United State’s hypersonic technology gap with China, how we’re catching up and what it will take to win the hypersonic missile race. Alex interviews Jager McConnell, CEO of Crunchbase, about their newly released, scary accurate, AI powered predictive models.
Castelion and America 2030 Latest News
This company is in the pipeline of America 2030, IPO CLUB’s short-term, actively managed secondary fund focused on U.S. defense, energy, security, and AI.
Read IPO CLUB’s latest Castelion coverage.
More in Defense: Allen Control Systems, Terradepth, Gallatin and Avrax. See the Defense sector overview.
New analysis: The New Missile Makers, how Castelion, Anduril and Covenant build missiles for a fraction of legacy costs.
Sources:
Carlyle, "Castelion Raises $1 Billion Series C to Scale Production of Low-Cost Hypersonic Weapons" (August 19, 2026): https://www.carlyle.com/media-room/news-release-archive/castelion-raises-1-billion-series-c-scale-production-low-cost
TechCrunch, "Castelion hits $13B valuation to mass-produce hypersonic missiles" (August 20, 2026): https://techcrunch.com/2026/08/20/castelion-hits-13b-valuation-to-mass-produce-hypersonic-missiles/
PR Newswire, "Castelion Closes $350 Million Series B to Mass Produce U.S. Hypersonic Weapons" (December 5, 2025):
TechCrunch, "Castelion Is Raising a $350M Series B to Scale Hypersonic Missile Business" (July 3, 2025):
SpaceNews, "Castelion Raises $350 Million to Scale Hypersonic Missile Production" (2025):
SpaceNews, "SpaceX Veterans' Hypersonic Weapons Startup Secures $100 Million" (2023):
Tectonic Defense, "Castelion Wins Army & Navy Integration Contracts":
GovCon Wire, "Castelion Raises $350M in Series B Funding Round to Advance Hypersonic Weapon Development":
Castelion is raising a $350M Series B to scale hypersonic missile business: https://techcrunch.com/2025/07/03/castelion-raises-350m-series-b-to-scale-hypersonic-missile-business
