From $520M to $2.6B in 9 months: Bezos Expeditions co-leads CuspAI’s $450M Series B to scale AI materials discovery CuspAI, a Cambridge, UK-based startup, closed a $450 million Series B at a $2.6 billion valuation, co-led by Bezos Expeditions, to scale its AI-driven materials discovery platform. The company's valuation surged from $520 million to $2.6 billion in nine months, reflecting strong investor demand for AI applications in scientific research. CuspAI, a Cambridge, UK-based startup, has closed a $450 million Series B at a $2.6 billion valuation, led…