How much did xAI raise in its Series E?

xAI announced a $20 billion Series E on 6 January 2026, upsized from a target near $15 billion — among the largest private rounds in history, capitalizing its data-center and model build-out.

What valuation did the round place on xAI?

A reported ~$230 billion, placing xAI in the top tier of frontier labs behind OpenAI and Anthropic but ahead of most competitors. The figure is investor-reported.

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Jan 6, 2026

xAI raises $20B Series E at ~$230B

xAI closes a $20 billion Series E at a reported ~$230 billion valuation — one of the largest private funding rounds ever — backed by Nvidia, Cisco, Fidelity and others.

$20B Series E

Round size

~$230B (reported)

Valuation

On 6 January 2026, xAI announced it had closed a $20 billion Series E at a reported valuation of approximately $230 billion. Upsized from an initial ~$15 billion target, it ranks among the largest private financings ever raised.

The investor roster underlined how seriously the market took xAI barely three years after its founding: Nvidia, Cisco Investments, Fidelity, the Qatar Investment Authority, MGX, Valor Equity Partners, StepStone and Baron Capital all participated, and Tesla reportedly committed about $2 billion subject to regulatory approval.

At ~$230 billion, xAI vaulted into the top tier of frontier AI labs — trailing OpenAI and Anthropic by headline valuation but ahead of most competitors, with a leaner, faster-moving organization. The capital primarily funds the Colossus supercomputer expansion that powers Grok. (The $230B figure is investor-reported.)

xAI raises $20B Series E at ~$230B

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