How Much of SpaceX Does Elon Musk Own — And Why It’s More Complicated Than You Think

When Elon Musk and SpaceX are mentioned together, the number 42% is frequently mentioned. PitchBook and several financial disclosures indicate that he owns about that amount of SpaceX. It seems fairly simple. However, it isn’t—not even close. Because of a dual-class share structure, Musk controls approximately 79% of the voting rights even though he owns between 42 and 43 percent of the company’s equity. This means that he does not require a majority stake to make all important decisions regarding the company’s future. The most illuminating aspect of the SpaceX narrative is, in fact, the difference between ownership and control.

It’s worthwhile to consider the practical implications of that. An estimated 6 to 7.5 percent of SpaceX is owned by Alphabet, the parent company of Google. This ownership stake dates back to a $900 million investment made in 2015. It contains fidelity. Since a $20 million wager in 2008, Peter Thiel’s Founders Fund has been on the cap table. Baillie Gifford, Andreessen Horowitz, and Sequoia are all significant sources of institutional funding. However, none of them are able to significantly outvote Musk on any important issue. Perhaps investors have just accepted this as the cost of entry into one of the most valuable private businesses ever established. That’s an amazing compromise. However, given SpaceX’s performance, it is difficult to refute the reasoning.

Musk used about $100 million of his PayPal windfall to launch the business in 2002. The initial three Falcon 1 launches were unsuccessful. The rocket entered orbit by the fourth attempt in 2008, but Musk would later claim that SpaceX was just a few weeks away from going bankrupt. The financial reality was real, but it’s one of those Silicon Valley near-death stories that is told so frequently that it begins to feel mythologized. SpaceX now owns Starlink, the largest satellite communications company in the world, in addition to producing reusable rockets that launch hardware and humans into orbit. This fact still seems a little unbelievable when you think back to 2008.

The offering, which could take place in June 2026, could put the total value of SpaceX shares at $1.5 trillion, which is almost twice as much as the company’s December valuation when some minority owners sold their shares before a significant acquisition completely changed the landscape. SpaceX and Musk’s AI startup xAI merged in February 2026 in an all-stock transaction valued at $1.25 trillion. Nvidia, Cisco, the Qatar Investment Authority, and MGX of Abu Dhabi were among the many new investors brought in by the merger; all of them are now officially SpaceX investors. The cap table continues to grow. Voting power remains concentrated.

Goldman Sachs, JPMorgan Chase, Morgan Stanley, Bank of America, and Citigroup are among the twenty-one banks that have agreed to oversee the transaction. That isn’t a typical IPO lineup; rather, it represents every significant global financial institution vying for a seat at the table. Wall Street seems to recognize that this could be the final truly once-in-a-generation listing. The planned mid-2026 IPO of Saudi Aramco, which is reportedly aiming for a $1.75 trillion valuation, would dwarf the company’s debut, which has long been regarded as the standard for sheer scale.

Musk’s current net worth, according to Forbes, is $823 billion, with a large portion of that coming from his ownership of SpaceX. His roughly 42 to 44 percent stake, valued at $1.75 trillion, is equivalent to $700 to $900 billion from SpaceX alone—numbers that are difficult for the average person to understand. It’s still unclear if public markets will welcome the listing with the same zeal as private investors, or if the final IPO pricing will remain at that level. Tender offers, where SpaceX had significant control over its own price discovery, are simply not as unpredictable as public markets.

The percentage itself isn’t what makes the ownership question truly fascinating. It’s the framework that underlies it. Musk created a scenario in which he can manage the business as if he owns all of the shares while owning less than half of the equity. Though less extreme, Tesla’s dynamic is comparable. Regulators and proponents of good governance have long criticized this model, which is becoming more prevalent among founder-led tech firms. Minority shareholders in SpaceX have had little recourse whenever Musk’s priorities changed, as The Guardian and other publications have noted. One of the more intriguing unanswered questions going into the second half of 2026 is whether that changes following a public listing.

Another issue is Starlink, which accounted for the majority of SpaceX’s earnings in 2025 and attained 10 million subscribers, a feat that at the time of the constellation’s announcement seemed almost unachievable. In remote communities, conflict areas, and locations where terrestrial internet has never been available, Starlink has evolved from a revenue line to a vital communications infrastructure. Because of this, SpaceX now carries a geopolitical burden that a rocket company most likely wasn’t meant to. And it is all governed by a system in which one man has the final say.

It’s difficult to ignore the irony that SpaceX, a business that was partially founded on NASA contracts and U.S. government launch deals, is now getting ready to go public in a deal that will add institutional capital from all over the world and sovereign wealth funds from the Middle East to its shareholder register. Currently, Musk owns 42% of SpaceX’s shares; however, this percentage will change when new owners receive shares during the IPO. In any event, he is probably going to surpass the trillion dollar threshold, which has never been surpassed by anyone in recorded history. Market timing, investor appetite, and whether the post-listing share price holds will determine whether that occurs in 2026 or takes a little longer.

There’s no doubt that SpaceX’s IPO will change public perceptions of founder control, private companies, and the boundaries of individual wealth. Musk began with a dream of visiting Mars and $100 million. He now has control over what could soon be the most valuable company to list on a stock exchange, not just ownership. 42 is the percentage. The power is a completely different matter.