OpenAI’s $122B round is bigger than the next three of 2026 combined

OpenAI’s $122B round is bigger than the next three of 2026 combined

The nine largest rounds of 2026 so far, to 15 September 2026.

Late VC · Mar

$122B

Series H · May

$65B

Series G · Feb

$30B

Series E · Jan

$20B

Late VC · Feb

$16B

PrometheusGrowth Equity VC · Jun

$12B

Late VC · Jul

$10B

Series B · Aug

$8B

Early VC · Jun

$7.4B