Quantum Systems has closed a $1.2 billion Series D round, co-led by Blackstone, Noteus, Airbus, and Advent. This brings the company's valuation to around

Quantum Systems is reportedly raising €600M at a €7-8B valuation, doubling its worth in months as Europe's defense tech spending surge accelerates.

Quantum Systems has closed a $1.2 billion Series D round, co-led by Blackstone, Noteus, Airbus, and Advent. This brings the company's valuation to around