xAI · Series E

AI designed to understand the universe

Amount

$20B

Round

Series E

Valuation

$200B

Announced

Sep 2025

Investors

Lead investor

Andreessen Horowitz

Participating investors

Sequoia Capital

Valor Equity Partners

Notes

Merged with SpaceX, $20B at $200B

Other xAI rounds

Date	Round	Amount
Jan 2026	Series e	$20B	Details →
Dec 2024	Series C	$10B	Details →
May 2024	Seed	$6B	Details →