Aevex Corp., a Madison Dearborn Partners‑backed military drone maker, pulled in $320 million through its U.S. IPO, selling 16 million shares at $20 apiece. Shares were pitched between $18 and $21, and demand outpaced supply, driving a multiple‑oversubscription. The deal reflects growing investor appetite for autonomous defense technology.

The offering comes as defense budgets surge and governments push for advanced unmanned systems. Aevex’s valuation sits at roughly $6.4 billion if all 16 million shares were priced at $40, providing a sizable market entry for a company that has already secured contracts with the U.S. military. The IPO provides capital for scaling production and R&D.

For shareholders, the flotation delivers immediate liquidity and sets a benchmark for future defense‑tech listings. Analysts note that the strong demand signals confidence in the sector’s growth trajectory. Investors will now monitor how Aevex deploys its proceeds and whether the company can sustain its rapid expansion in a competitive market.

The IPO valuation places Aevex among the highest‑profile defense start‑ups to go public this year, following similar debuts by drone firms that have attracted scrutiny over export controls. Regulators will oversee the sale to ensure compliance with U.S. defense export rules, a factor that could influence future capital raises in the sector.