xAI Stock: Acquisition and Valuation History

AI / Machine Learning
By UpMarket Research  |  Last updated: June 2026
CEO Elon Musk Founded 2023 HQ San Francisco, US

xAI is an artificial intelligence laboratory founded in 2023 by Elon Musk in San Francisco. The company builds Grok, an AI chatbot integrated with X (formerly Twitter), and develops large language models trained on real-time data from X and SpaceX. Sacra estimates xAI reached approximately $3.

UpMarket does not offer xAI shares. This page covers xAI's history before the acquisition.

Latest Price
$230B
Growth Round, 11/18/25, Sacra
UpMarket Estimate
$278B
Based on UpMarket valuation model
Previous Price
$200.0B
Growth (2025) Sep 2025

How to Review xAI's Funding History on UpMarket

xAI was acquired by SpaceX in February 2026 and no longer has shares of its own. UpMarket does not offer xAI shares. This page covers xAI's valuation and funding history before the acquisition.

Step 01

Check the acquisition details

xAI was acquired by SpaceX in February 2026.

Step 02

Review the valuation history

See how xAI's private-market valuation changed across funding rounds before the acquisition.

Step 03

Review funding and revenue data

See reported funding rounds and revenue figures on this page, with their sources.

Step 04

Explore private companies

Accredited investors can review UpMarket's current pre-IPO offerings in companies that have not yet gone public.

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xAI in the News

Valuation Growth Over Time

Post-money valuation by round
Previous rounds Most recent
DateRoundPPS (split-adj.)Valuation
Jan 2026 Series E (2026) $75.46
Sep 2025 Growth (2025) $36.56 $200.0B
Dec 2024 Series C 2024 $21.65 $50.0B
May 2024 Series B 2024 $11.97 $24.0B
Nov 2023 Series A 2023 $1.00

Why Investors Are Watching xAI

Growth Signal

xAI raised $20B Series E, valuation now ~$230B

xAI completed an upsized $20B Series E round, drawing backing from major investors including Fidelity, BlackRock, and Sequoia. The company's valuation has grown to approximately $230 billion, reflecting strong investor appetite for frontier AI platforms.

Product Milestone

Grok positions xAI as a frontier AI model and platform builder

xAI was founded in 2023 by Elon Musk to build the Grok family of AI models, combining frontier reasoning capabilities with real-time data from X (Twitter). The platform is evolving into a vertically integrated AI stack with reasoning models, real-time data, and monetization channels.

Market Opportunity

xAI targets large enterprise and consumer AI platform opportunity

xAI's current $230B valuation reflects continued investor appetite for large-scale AI infrastructure and model platforms. With integration into X's 500M+ user base and enterprise API access, xAI is positioned to compete across both consumer AI search and enterprise deployment markets.

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xAI Leadership Team

Elon Musk
CEO
Jared Birchall
CFO
Igor Babuschkin
Technical Staff

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xAI Stock FAQ

No. xAI was acquired by SpaceX in February 2026 and no longer has shares of its own. UpMarket does not offer xAI shares.

xAI has no stock price of its own since its acquisition by SpaceX. The prices shown on this page are historical private-market prices from before the acquisition.

No. xAI was acquired by SpaceX and UpMarket does not offer xAI shares. Accredited investors interested in companies that have not yet gone public can review UpMarket's current pre-IPO offerings.

xAI is no longer an independent company, so its shares are not available to buy. This page is kept for its historical funding and valuation data. UpMarket does not offer xAI shares.

In a pre-IPO transaction, accredited investors purchase shares from existing shareholders (such as employees, early investors, or other holders) through secondary market platforms. The company itself does not issue new shares in these transactions. UpMarket facilitates these trades as a FINRA-registered broker-dealer, handling compliance, documentation, and settlement on behalf of both parties.

xAI was acquired by SpaceX in February 2026. What former shareholders received, cash or shares of the buyer, was set by the terms of the acquisition.

UpMarket does not offer xAI shares. The minimum for most pre-IPO offerings on UpMarket is $50,000.

xAI's last valuation was set by its acquisition by SpaceX. The figures on this page show its valuation history before the acquisition.

xAI completed a $20B Series E at a $230B valuation in 2025 and builds the Grok family of frontier AI models, with a path to liquidity through SpaceX's anticipated 2026 IPO. xAI is now part of SpaceX, and UpMarket does not offer its shares.

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