SpaceX closed the largest IPO ever with $85.7 billion in proceeds and saw its shares rise 19% on debut to reach a $2.1 trillion valuation. The event turned Elon Musk into the world's first trillionaire while highlighting the company's revenue growth, ongoing losses and heavy AI spending.

This valuation makes SpaceX the sixth-biggest U.S. company, passing Broadcom and placing it ahead of Tesla while trailing Amazon at $2.6 trillion.
The share price surge from the debut made Musk the first person to reach trillionaire status.
Tap a lens to see what this story means for you.
Liked this? The Brief brings you the whole day in tech, verified, every morning.
Two minutes, free forever. What's in The Brief →
See what’s happening right now
The Feed runs all day — short, verified briefs the moment they break.
Open the FeedFollow @thecircuitry_
Every story we publish, as it happens. No noise between.
Reader-supported
The Circuitry is a passion project I've always wanted to build, and I love the work behind it.
Running it costs real money. APIs, hosting, time. To keep improving the site and growing this into something useful for everyone, those costs have to be covered.
Any contribution is appreciated. If not, no pressure. Thanks for reading.
SpaceX has agreed to acquire Grain Management's nationwide 800 MHz spectrum portfolio, which it says will pave the way for Starlink Mobile to become a major US mobile carrier. The deal needs FCC approval, and financial terms were not disclosed.
SpaceX is seeking $40 billion in debt financing led by Apollo Global Management to buy Nvidia AI chips, with talks still early and a possible 2027 close. The move highlights the scale of capital required for AI infrastructure expansion across Musk's companies.
Elon Musk said on October 4 that SpaceXAI will be renamed SpaceXSI, adopting "SI" for super intelligence after President Trump's push to drop "AI."
Anthropic's IPO prospectus warns its AI work could raise catastrophic risks to humanity while reporting a $42 billion net loss on $4.6 billion revenue. The filing also details plans for a founder-controlled LLC to retain 50.1 percent voting power post-IPO.
SpaceX Starship reached orbit for the first time on its 14th test flight from Texas on September 28 despite an early engine shutdown. The vehicle is expected to complete six orbits over 10 hours and deploy 26 Starlink V3 satellites before Pacific splashdown.