Disclaimer: Twitter is now called X, but that is not its ticker symbol. As a ticker symbol, X stands for the U. S. Steel Corporation (NYSE: X). To learn how to invest in U. S. Steel Corporation, read our dedicated guide.
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What is X (Twitter)?

X (formerly Twitter) is a social media and microblogging platform where users post short messages, share media, and livestream. It was founded in 2006 by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams, and was publicly traded on the NYSE from 2013 until October 2022, when Elon Musk acquired the platform for $44 billion and took it private.
X has approximately 600 million monthly active users and around 245 million daily active users as of 2026. The platform generates revenue primarily through advertising and subscriptions (X Premium), with 2025 revenue estimated at approximately $3.5 billion, well below its $5.1 billion peak in 2021, reflecting ongoing advertiser uncertainty following the change of ownership, though recent quarters have shown signs of recovery.
Does X have its own stock?
X has not been publicly traded since November 2022, when its predecessor Twitter was delisted from the NYSE following Musk’s acquisition. It does not have an independent IPO planned.
The ownership structure has since changed twice. In March 2025, Musk’s AI company xAI acquired X in an all-stock transaction that valued X at $33 billion ($45 billion including debt). Then in February 2026, SpaceX acquired xAI, bringing X along with it, in a deal that valued the combined SpaceX-xAI entity at $1.25 trillion. X is therefore now a subsidiary of SpaceX, which went public on June 12, 2026.
How to buy X (Twitter) stock
Since X is a SpaceX subsidiary, buying SPCX on the Nasdaq is the only route to X exposure currently available to retail investors. For a full step-by-step breakdown of how to buy SpaceX stock, see our dedicated guide: How to Invest in SpaceX (SPCX).
It is worth noting that X remains a loss-making segment within SpaceX. The SpaceX S-1 prospectus disclosed that the xAI and X divisions generated substantial operating losses in 2025, making them a drag on the overall financials rather than a driver of the investment case for SPCX. Investors buying SpaceX primarily for X exposure should weigh this carefully.
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Disclaimer: The content on this site should not be considered investment advice. Investing is speculative. When investing, your capital is at risk.
FAQs about how to buy X (Twitter) stock
Is X publicly traded?
No. X has not been publicly traded since November 2022. It is now a subsidiary of SpaceX, which trades on the Nasdaq under the ticker SPCX.
Who owns X?
X is owned by SpaceX. xAI acquired X in an all-stock deal in March 2025, valuing X at $33 billion. SpaceX then acquired xAI in February 2026, bringing X under the SpaceX umbrella ahead of the June 2026 IPO. Elon Musk is the controlling shareholder of SpaceX.
Is X on the stock market?
Its parent company, SpaceX, trades under SPCX on the Nasdaq.
Who owns the X website?
X is owned by Elon Musk.
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eToro USA is registered with FINRA for securities trading.