X Stock: Acquisition and Valuation History

Social / Creator Economy
CEO Linda Yaccarino Founded 2006 HQ Bastrop, US

X is a private social media and microblogging platform where users post short-form content and engage in real-time discussion. It was founded in 2006 as Twitter and later rebranded; since 2025 it has been under xAI ownership, with Linda Yaccarino serving as CEO.

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

Status
Acquired
By xAI, Mar 2025
Last Private Valuation
Not confirmed
Not confirmed by two independent reputable sources

How to Review X's Funding History on UpMarket

X was acquired by xAI in March 2025 and no longer has shares of its own. UpMarket does not offer X shares. This page covers X's valuation and funding history before the acquisition.

Step 01

Check the acquisition details

X was acquired by xAI in March 2025.

Step 02

Review the valuation history

See how X'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.

Pre-IPO investments are illiquid, speculative, and involve risk of total loss of capital.

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Valuation Growth Over Time

Post-money valuation by round
Previous rounds Most recent
DateRoundPPS (split-adj.)Valuation

Why Investors Are Watching X

Growth Signal

Private-tech exposure is moving into larger, funded pools

CNBC notes the private-tech fund discussed in its segment accepts only qualified purchasers with at least $5 million in net worth. The same segment says the minimum ticket size is $100,000, indicating access is aimed at larger, institutional-style allocations rather than retail flow.

Competitive Moat

Endeavor Catalyst backs only Endeavor entrepreneur-led firms

Endeavor Catalyst describes itself as a rules-based co-investment fund that invests exclusively in companies led by Endeavor Entrepreneurs. That model creates a focused sourcing funnel and a built-in founder network that can be difficult for generalist funds to replicate.

Product Milestone

Carta positions itself as the ERP layer for private capital

Carta says its ERP for private capital combines software and services across equity, fund, and portfolio management. The company’s product scope spans multiple workflows, which can support deeper enterprise adoption than a point solution.

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X Leadership Team

Linda Yaccarino
CEO
Biz Stone
Co-Founder
Elon Musk
CTO

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X Stock FAQ

No. X was acquired by xAI in March 2025 and no longer has shares of its own. UpMarket does not offer X shares.

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

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

X 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 X 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.

X was acquired by xAI in March 2025. What former shareholders received, cash or shares of the buyer, was set by the terms of the acquisition.

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

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

X is a private social media and microblogging platform where users post short-form content and engage in real-time discussion. It was acquired by xAI in Mar 2025. UpMarket does not offer its shares.

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