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NewslettersCEO Daily

The SpaceX IPO is a referendum on Elon Musk and his plan to colonize Mars

Diane Brady
By
Diane Brady
Diane Brady
Executive Editorial Director
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Diane Brady
By
Diane Brady
Diane Brady
Executive Editorial Director
Down Arrow Button Icon
May 21, 2026, 5:15 AM ET
Elon Musk accompanies President Donald Trump on his visit to China on May 14, 2026.
Elon Musk accompanies President Donald Trump on his visit to China on May 14, 2026. Johannes Neudecker/picture alliance via Getty Images
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  • In today’s CEO Daily: Unpacking SpaceX’s IPO prospectus.
  • The big leadership story: Inside Microsoft’s plan to make up the ground it’s lost in the AI race.
  • The markets: Mixed globally as investors digest Nvidia’s latest earnings.
  • Plus: All the news and watercooler chat from Fortune.

Good morning. How much faith do you put in Elon Musk? If you can’t wait to get a piece of SpaceX after studying its prospectus, the answer is, a lot. Musk’s rocket-and-satellite company filed its S-1 yesterday, giving us a detailed look at the financials behind what’s expected to be the biggest initial public offering in history.

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In some ways, this is the stuff of speculative fiction: a bold plea for capital to conquer new worlds, a dream for one man to net the largest pay package ever handed out on earth if he manages to establish a permanent colony of at least 1 million people on Mars. (See page 236.) Though he might try, they can’t all be named Musk. And before SpaceX can plant a flag on other planets, it may need to address some red flags here at home. Among them:

Revenue. SpaceX expects to raise up to $75–80 billion at a valuation of $1.5 trillion or more. Saudi Aramco raised $29.4 billion at roughly the same valuation in 2019. The difference is that it made a profit of $21.3 billion on $71 billion in revenue in the quarter prior to filing while SpaceX lost $1.3 billion on $4.7 billion in revenue last quarter. And the source of that revenue is mixed, with the Starlink satellite business heavily subsidizing Musk’s rockets and xAI business. 

Leadership. To see how Elon Musk runs a public company, look at his track record at Tesla. He transformed it from a struggling startup to a successful global EV giant. But he’s done a lot to squander that lead: the SEC fights, the social media fights, the lawsuits, the public insults, the tendency todiss his own colleagues, the threats to walk away if he didn’t get that other trillion-dollar pay package. (Sadly, no cage fight.) And let’s not forget his brief detour as the defiant chainsaw-wielding man from DOGE, which a Yale study estimated to have cost Tesla more than 1 million U.S. EV sales. Tesla’s operating profit was $4.3 billion last year, a 70% drop from three years earlier. He overpromised on robotaxis and fully self-driving cars. And, once again, Musk will have 85% of voting rights, making him virtually impossible to dislodge.

The Final Frontier: We’re looking at a $28.5 trillion TAM (total addressable market) here, people! SpaceX proved that you can launch rockets at a fraction of the cost of NASA. Then again, Artemis II put NASA back on the map. The Indian Space Research Organisation is also racing to bring down launch costs to compete with SpaceX, as is China’s Manned Space Agency. None of that diminishes Musk’s genius, accomplishments or ambition. But it should give investors pause. Musk deflated a Davos crowd this year by dismissing the idea of extraterrestrial life, noting “not once” have his satellites had to maneuver around a spaceship. Here on earth, he is not alone. Some fellow humans will buy SpaceX stock in the hopes that it will soar to infinity and beyond. Others may see an opportunity to compete and stage their own moonshots with a little more rigor and less drama.

Contact CEO Daily via Diane Brady at diane.brady@fortune.com

Top leadership news

Microsoft is falling behind in AI — and betting on Copilot to catch up

Microsoft made an early, high-profile bet on OpenAI, but the company now finds itself trailing competitors with a sliding stock. It's increasingly leaning on its Copilot AI program to stay in the race, Fortune’s AI editor Jeremy Kahn reports in a new deep-dive.

Glean CEO: AI hasn't replaced a single worker among our enterprise clients

At the Fortune Workplace Innovation Summit, Glean CEO Arvind Jain pushed back on fears of AI-driven job losses, saying the technology hasn't replaced a single worker among his company's enterprise clients. Jain argued that AI augments workers rather than displaces them and expects that to remain the case going forward.

Gas prices hit $4 a gallon in every state ahead of Memorial Day

Gas prices have hit $4 a gallon in every state just as Memorial Day approaches. The milestone comes as the national debt crosses $39 trillion, up $5 billion since October.

The markets

S&P 500 futures are flat this morning. The last session closed up 1.08%. The STOXX Europe 600 was up 0.14% in early trading. The U.K.’s FTSE 100 was down 0.11% in early trading. Japan’s Nikkei 225 was up 3.14%. South Korea’s KOSPI was up 8.42%. China’s CSI 300 was down 1.39%. Hong Kong’s Hang Seng was down 1.03%. India’s NIFTY 50 is flat. Bitcoin was up at $78K.

Around the watercooler

SpaceX IPO targets $28.5 trillion total addressable market, mission to ‘make life multiplanetary’ and understand ‘true nature of the universe’ by Nick Lichtenberg

Antler CEO Magnus Grimeland says Silicon Valley doesn’t have a monopoly on tech: ‘People can innovate from almost anywhere’ by Angelica Ang

2025 was a turning point for your electricity bill and it’s just getting more expensive from here. It’s not just data centers by Tristan Bove

Accenture exec says the consulting giant is hiring more entry-level workers out of college compared to last year by Emma Burleigh

CEO Daily is curated and edited by Joseph Abrams, Jason Ma, Claire Zillman, and Lee Clifford.

This is the web version of CEO Daily, a newsletter of must-read global insights from CEOs and industry leaders. Sign up to get it delivered free to your inbox.
About the Author
Diane Brady
By Diane BradyExecutive Editorial Director
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Diane Brady writes about the issues and leaders impacting the global business landscape. In addition to writing Fortune’s CEO Daily newsletter, she co-hosts the Leadership Next podcast, interviews newsmakers on stage at events worldwide and oversees the Fortune CEO Initiative. She previously worked at Forbes, McKinsey, Bloomberg Businessweek, the Wall Street Journal, and Maclean's. Her book Fraternity was named one of Amazon’s best books of 2012, and she also co-wrote Connecting the Dots with former Cisco CEO John Chambers.

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