SpaceX, Elon Musk’s privately held rocket and satellite maker, has long been something of a financial mystery, even as it became synonymous with audacious plans to reach the stars.
That changed on Wednesday, when the company revealed just how lucrative its rocket launch and satellite internet businesses have been.
SpaceX’s revenue soared to $18.7 billion in 2025, up 33 percent from a year earlier, the company disclosed in a filing required of firms that are seeking to go public. In the first three months of this year, revenue rose to $4.7 billion from $4.1 billion in the same period a year ago.
But the company lost more than $4.9 billion last year, compared with a $791 million profit in 2024, as capital expenditures nearly doubled to $20.7 billion from heavy spending on artificial intelligence development. In the first three months of this year, SpaceX lost almost as much money as all of 2025, recording a $4.3 billion loss.
SpaceX, which also owns the social media platform X and xAI, the maker of the Grok chatbot, drew back the curtain on its finances for the first time as it prepares for what could be one of the largest initial public offerings to date. The company, which values itself at $1.25 trillion, is aiming to reach the stock market as early as next month and could try to raise $50 billion to $75 billion from the offering.
If successful, SpaceX’s I.P.O. could pave the way for other enormous offerings, including from the A.I. companies Anthropic and OpenAI, which is also preparing to file confidentially for an I.P.O. in the coming weeks. Last week, Cerebras, an A.I. chip maker, kicked off the expected wave of offerings and rose 68 percent on its first day of trading, becoming the largest public offering so far this year and the biggest of any technology firm since 2019.
A strong public markets debut for SpaceX would bring generational riches to Wall Street, the company’s employees, and, of course, Mr. Musk, who is already the world’s richest person and could become its first trillionaire.
Mr. Musk and a SpaceX spokesman did not respond to requests for comment.
How closely Mr. Musk is tied with SpaceX was made clearer in the filing. He owns around 50 percent of the company’s shares outstanding and controls more than 85 percent of the shareholder votes because of a class of super-voting shares, according to the filing. Gwynne Shotwell, SpaceX’s president and chief operating officer, was the only other executive listed in the filing to hold a seven-figure chunk of the super-voting shares.
Based on SpaceX’s current $1.25 trillion valuation, Mr. Musk’s ownership stake is worth more than $635 billion.
“SpaceX is his company,” Jay Ritter, an I.P.O. expert at the University of Florida, said of Mr. Musk’s stake.
Mr. Musk controls more than 85 percent of SpaceX’s shareholder votes because of a class of super-voting shares, according to the company’s filing. Credit…Jason Henry for The New York Times.
Founded in 2002, SpaceX has grown into one of the world’s leading space companies by developing partly reusable rockets with the goal of eventually taking humans to Mars and making people multiplanetary. In the United States, SpaceX accounts for five of every six launches into space, according to Georgetown University’s Center for Security and Emerging Technology.
In February, Mr. Musk merged SpaceX with xAI, which already owned X. Since then, he has expanded the company’s goals, declaring that SpaceX would build artificial intelligence data centers that orbit Earth, create a facility to manufacture complex A.I. chips, and develop human colonies on the moon.
Potential investors would be financing those moonshots, which have drawn skepticism given Mr. Musk’s optimistic timelines for these goals. The billionaire has also shifted SpaceX’s focus in recent months from taking humans to Mars.
The company is preparing another test launch of Starship, its largest rocket, on Thursday. Mr. Musk has said Starship will eventually take people to Mars and bring data centers to space.
SpaceX’s most lucrative business is Starlink, its satellite internet service, which had 10.3 million subscribers at the end of March, double from a year earlier, according to the company filing. Last year, Starlink recorded about $4.4 billion in income from operations, also more than double the year prior.
In its filing, SpaceX said it had “the largest actionable total addressable market” in “human history,” estimating that at $28.5 trillion. That included a $1.6 trillion market for Starlink, $370 billion from “space-enabled solutions” and $26.5 trillion in A.I., which included an estimate of $22.6 trillion for A.I. “enterprise applications.”
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A successful SpaceX offering would bring riches to Wall Street, the company’s employees, and, of course, Elon Musk, who is already the world’s richest person. Credit…Meridith Kohut for The New York Times
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