Who Owns X?
Updated onExplore the ownership hierarchy of X. See parent companies, holding structures, and ultimate controllers.
Ownership Chain
X
X is a global social networking service (formerly Twitter) that offers free accounts plus paid Premium tiers and is owned by Elon Musk's private holding entities.
Starts at $0
X Corp.
X Corp. is a private American technology company that owns and operates X, a global social networking platform formerly known as Twitter.
Starts at $0 / user / month
xAI
xAI is a privately held American artificial intelligence company founded by Elon Musk in 2023 that develops the Grok family of AI models and related products that power experiences across X and other platforms.
Starts at $0.07 / image / other
X
X is a global social networking service (formerly Twitter) that offers free accounts plus paid Premium tiers and is owned by Elon Musk's private holding entities.
Starts at $0
X Corp.
X Corp. is a private American technology company that owns and operates X, a global social networking platform formerly known as Twitter.
Starts at $0 / user / month
xAI
xAI is a privately held American artificial intelligence company founded by Elon Musk in 2023 that develops the Grok family of AI models and related products that power experiences across X and other platforms.
Starts at $0.07 / image / other
Major Shareholders
X
Major Shareholders
| Name | Type | Ownership | Voting | As of |
|---|---|---|---|---|
X.AI Corp. (d/b/a xAI) Artificial intelligence company founded by Elon Musk. As of March 28, 2025, xAI acquired X (formerly Twitter) in an all-stock transaction; the social networking service X (operated via X Corp.) functions as a wholly owned subsidiary within the xAI / X.AI Holdings corporate group. | Corporate | 100.0% | 100.0% | Mar 2025 |
xAI
Major Shareholders
| Name | Type | Ownership | As of |
|---|---|---|---|
Elon Musk Founder and CEO of xAI. Multiple Forbes-based reports estimate he controls about 53% of xAI Holdings (the parent of xAI) after the merger with X and subsequent 2024–2025 funding rounds; exact figure is an external estimate rather than an SEC-disclosed number. | Founder | 53.0% | Dec 2025 |
Kingdom Holding Company Saudi investment company chaired by Prince Alwaleed bin Talal. Public disclosures show Kingdom Holding invested $400m in xAI’s May 2024 Series B and another $400m in the December 2024 Series C, for a total of $800m, making it one of the largest outside shareholders; its exact equity percentage is not disclosed but is widely described as a key strategic holder. | Corporate | — | Dec 2024 |
Prince Alwaleed bin Talal Saudi investor who, alongside his vehicle Kingdom Holding, was named by xAI and regional press as a major participant in the $6b Series B round; combined, he and Kingdom Holding are reported as among xAI’s largest non‑Musk backers, but his personal slice versus Kingdom Holding’s is not broken out. | Individual | — | May 2024 |
Valor Equity Partners US growth‑equity/PE firm identified by xAI and multiple news outlets as a key investor in both the $6b Series B (May 2024) and $6b Series C (Dec 2024) rounds, and again in later follow‑on financings; no public source specifies its percentage ownership. | Institutional | — | Dec 2024 |
Vy Capital Technology‑focused investment firm repeatedly listed among the principal backers in xAI’s $6b Series B and $6b Series C rounds and subsequent equity financings, but with no disclosed stake size. | Institutional | — | Dec 2024 |
Andreessen Horowitz (a16z) Major Silicon Valley venture firm named in xAI’s own announcements and press coverage as a prominent investor in the $6b Series B and $6b Series C rounds and later strategic equity, making it one of the best‑known institutional shareholders; exact percentage not public. | Institutional | — | Dec 2024 |
Sequoia Capital Global venture firm disclosed as a key investor in xAI’s Series B and Series C rounds and in later equity raises; widely cited as one of the company’s core VC owners, but without any filed ownership percentage. | Institutional | — | Dec 2024 |
Fidelity Management & Research Company Asset‑management arm of Fidelity Investments, identified by xAI and financial press as a major participant in the $6b Series B and $6b Series C financings, and in later private rounds; its resulting equity stake is undisclosed. | Institutional | — | Dec 2024 |
BlackRock, Inc. Global asset manager that joined xAI’s $6b Series C round in December 2024 and is repeatedly listed among the company’s major institutional backers; no public filing provides a percentage interest. | Institutional | — | Dec 2024 |
Lightspeed Venture Partners Venture firm cited as a participant in xAI’s $6b Series C fundraising and later equity financing, and thus a notable shareholder, though its exact ownership portion remains private. | Institutional | — | Dec 2024 |
Morgan Stanley US investment bank that both led xAI’s large 2025 debt raise and took part in a concurrent $5b strategic equity investment, making it an equity holder as well as a lender; specific share percentage has not been disclosed. | Institutional | — | Jul 2025 |
Oman Investment Authority (OIA) Sovereign wealth fund of Oman that publicly announced acquiring an undisclosed stake in xAI in December 2024 as part of the company’s late‑2024 funding, positioning itself as a strategic government investor; no percentage ownership has been revealed. | Government | — | Dec 2024 |
Qatar Investment Authority (QIA) Qatar’s sovereign wealth fund reported by multiple outlets and xAI‑adjacent coverage as a participant in the $6b Series C round; later reports of a much larger 2025 commitment at a $200b valuation were disputed by Musk, and no authoritative source discloses QIA’s exact equity percentage. | Government | — | Dec 2024 |
NVIDIA Corporation Chipmaker that not only supplies GPUs for xAI’s Colossus supercomputer but also invested as a strategic equity partner in the December 2024 Series C and follow‑on financings; its ownership stake is described only qualitatively in public sources. | Corporate | — | Dec 2024 |
Advanced Micro Devices, Inc. (AMD) Semiconductor company disclosed by xAI as a strategic investor alongside NVIDIA in the $6b Series C round, contributing capital and hardware; no public data specify the percentage of xAI equity it holds. | Corporate | — | Dec 2024 |
Ark Investment Management LLC (ARK Invest) Cathie Wood’s ARK Invest is listed in independent investor overviews and press as one of the venture investors in xAI’s $6b Series B and subsequent rounds, including via its venture fund; stake size is not disclosed publicly. | Institutional | — | May 2024 |
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