X (formerly twitter)

San Francisco, California, United States Technology Public

X (formerly Twitter) is a global social media and public conversation platform founded in 2006. Originally launched as Twitter, the company was acquired by Elon Musk in October 2022 for $44 billion and was rebranded to X in April 2023. In March 2025, X was merged into xAI, forming X.AI Holdings. The platform serves over 600 million users and is now integrated with xAI's Grok AI chatbot. X remains a leading digital public square for real-time information sharing, news distribution, and global discourse.

Public Company

X (formerly twitter) is publicly traded

IPO'd on November 7, 2013

TWTR NYSE

This company is no longer available on our private secondary market. Shares can be traded publicly under TWTR.

Overview

Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Founded

2006

Employees

2,800–2,900

Total Funding

$44.76B

9 rounds

Last Private Valuation

$33B

March 2025

Funding

Total raised $44.76B across 9 rounds

Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Last updated 06-25-2026

Latest Round

Type

Strategic equity (xAI/X merger)

Date

March 2025

Amount

Not disclosed

Valuation

$33B

Lead Investors

xAI
DateRoundAmount RaisedValuationLead Investors
March 2025 Strategic equity (xAI/X merger) Not disclosed $33B xAI
October 27, 2022 Take-private equity (Musk LBO) $31B $44B Elon Musk
October 27, 2022 LBO debt $13B Morgan Stanley

Funding by Round

Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.

Valuation Trajectory

Valuation indexed to 1.0× at the selected entry round. Valuation marks are estimates and may contain errors. Hover each dot to compare.

If you invested at:
1x 2x 5x 10x 20x 50x 100x 200x 500x 1000x 2010 2013 2016 2019 2022 2025 X (formerly twitter)

Entry · Series A

$0.0B

Jul 2007

X (formerly twitter) today

$33B

Mar 2025 · latest mark

X (formerly twitter) multiple

1650x

valuation uplift since first round

Y-axis is logarithmic. Hollow dots = estimated valuations. Does not represent realized investor returns.

Leadership

  • Elon Musk

    Owner (xAI/SpaceX acquisition as of February 2026)

Competitors

Competitor list is illustrative and may be incomplete, stale, or erroneous.

  • Meta Platforms (Facebook)

    Social media and digital communication platform with billions of users globally, including Facebook, Instagram, and WhatsApp.

  • Bluesky

    Decentralized social networking protocol and platform launched by Jack Dorsey as an alternative to Twitter/X.

  • Threads

    Meta's text-based social media platform launched as a direct competitor to Twitter/X.

X (formerly twitter) Investment FAQ

X (formerly twitter) FAQ

Yes, X (formerly twitter) is publicly traded under the ticker symbol TWTR on the NYSE. The company went public in November 7, 2013.

X (formerly twitter) trades under the ticker symbol TWTR on the NYSE. It began trading in November 7, 2013.

X (formerly twitter) (TWTR on the NYSE) shares can be purchased through any standard brokerage account — including Fidelity, Charles Schwab, TD Ameritrade, and online platforms like Robinhood or E*TRADE. Search for the ticker TWTR to place an order.

X (formerly twitter) went public in November 7, 2013 via ipo, with an offering valuation of approximately $33B. Twitter was a public company from November 2013 (IPO at $26/share) until October 27, 2022, when Elon Musk completed his $44 billion acquisition, delisting the company from NYSE. The platform was rebranded to X in April 2023. In March 2025, X merged into xAI, forming X.AI Holdings as a private entity. As of May 2026, the company remains private under SpaceX/xAI ownership following SpaceX's acquisition of xAI in February 2026.

X (formerly twitter) raised $44.76B across 9 disclosed funding rounds prior to its public listing.

X (formerly twitter) is headquartered in San Francisco, California, United States.

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