Castrum Capital
Castrum Capital LLC is an investment management company.
Investing activity
Castrum Capital appears in 3 AI deals tracked by the AI Lounge deals desk. The rounds are mostly Seed, with a median round size of $4M and the largest at $7M. The most recent are SwarmBase (Seed, $7M, Jul 2026), Traceroot (Seed, $3.5M, Jun 2026) and Claw Intelligence (Seed, $3M, Apr 2026).
Castrum Capital most often invests alongside Becker Ventures, Notch ventures, M2M Capital and Coinvestor Ventures, and the companies it backs on AI Lounge are mostly in AI.
Deals
Frequently asked questions about Castrum Capital
What AI companies has Castrum Capital invested in?
Castrum Capital's AI investments include SwarmBase, Traceroot and Claw Intelligence. The 3 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
What stage does Castrum Capital invest at?
In the rounds tracked on AI Lounge, Castrum Capital has invested at Seed, with a median round of $4M.
Who does Castrum Capital co-invest with?
Castrum Capital's most frequent co-investors on AI Lounge are Becker Ventures (2 deals), Notch ventures (1 deal), M2M Capital (1 deal), Coinvestor Ventures (1 deal) and Gemhead Capital (1 deal).
How can founders reach Castrum Capital?
Founders on AI Lounge can see Castrum Capital's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add Castrum Capital to their Investor Pipeline to track the conversation.