B
Blackstone
Focus: Defence & space, AI, Cybersecurity, Data & analyticsBlackstone took part in 8 of the startup funding rounds we tracked in 2026, leading or co-leading 1 worth $1.2bn. By money raised, its biggest sectors were AI and Data & analytics. The largest was OpenAI's $122bn Growth round. The most recent was Factory's Series D+ round in September 2026.
Deployed as lead$1.2bn
Rounds led1
Rounds joined8
Largest round$122bn