If it feels like Elon Musk is everywhere right now, that's because he is. In a matter of weeks, his empire has put driverless robotaxis on the streets of Miami, agreed to buy the hottest AI startup for $60 billion, and launched Starship again. It's staggering - but here's the catch for investors: of everything Musk is building, only one piece is actually buyable.
Tesla: it's a robotaxi company now
Tesla (TSLA) delivered 480,126 vehicles in Q2 and launched its robotaxi service in Miami - reportedly the first city with no human safety monitor in the car. The stock jumped about 6%. The market no longer values Tesla as a carmaker; it's pricing in the robotaxi dream.The reality check: Musk himself says material robotaxi revenue won't arrive before 2027, with a rollout targeting roughly a dozen states by the end of 2026. Morgan Stanley models 1,000 robotaxis in 2026 scaling to 1 million by 2035. Huge if it works - but that's a bet on the future, not on today's earnings. Tesla trades on the story, which cuts both ways (see why a rich price tag isn't automatically justified in how to tell if a stock is overvalued).
SpaceX's $60 billion AI bet
The bigger shock came from SpaceX, which agreed to buy Cursor (parent company Anysphere) - the red-hot AI coding assistant - for $60 billion in an all-stock deal, expected to close this quarter. Cursor crossed $1 billion in annualized revenue and is one of the fastest-growing software products ever.
Why does a rocket company want an AI coding tool? Because SpaceX merged with Musk's xAI in February, and Cursor hands the combined entity a mature, profitable AI product plus a top-tier team - completing a closed-loop AI stack of compute + data + applications to challenge OpenAI and Anthropic. In other words, SpaceX is quietly becoming an AI superpower, not just a launch provider.
And Starship flew again
On top of all that, Starship Flight 13 launched successfully on July 24, carrying 20 next-generation Starlink V3 satellites - all 33 booster engines lit, the booster nailed its boostback burn, and the ship reached space. The next flight is expected to attempt Starship's first orbital mission (and possibly a first "ship catch") later this quarter. Starlink, the cash engine funding all of this, keeps expanding.
What you can actually buy
Here's the part that matters for your portfolio, and it echoes what we said about X Money: Musk's public empire just grew. As of mid-2026 there are now two publicly traded Musk companies, not one.
- SpaceX (SPCX) β went public in June 2026 in the largest IPO in US history, so you can now buy it directly. See our SpaceX SPCX earnings breakdown.
- Tesla (TSLA) β the original publicly traded Musk company. Still private: xAI (which absorbed X) and Cursor.
So the two direct routes into the Musk story are now TSLA and SPCX, and they are very different bets: Tesla is a car + robotaxi + energy bet, while SpaceX is a launch + Starlink + AI compute bet. The $60B Cursor deal, Starship, Starlink and xAI do not flow to Tesla shareholders. Confusing the two is the most common mistake retail investors make with Musk.
The tradeable adjacent plays are the picks-and-shovels: AI compute like Nvidia (NVDA) (xAI and Cursor run on GPUs) and autonomy rivals like Alphabet's Waymo (GOOGL). Even Tesla's EV peers Rivian (RIVN) and Lucid (LCID) rode the sector's momentum.
What This Means for Investors
Musk is running one of the most ambitious multi-front campaigns in business history - robotaxis, a $60B AI acquisition, and reusable rockets, all at once. It's genuinely impressive. But impressive isn't the same as investable. For your portfolio, separate the hype from the ticker: Tesla (TSLA) is the only public bet, and it lives or dies on robotaxis and autonomy - not on SpaceX or AI. Decide whether you believe the 2027-and-beyond robotaxi story; that's the real question. Everything else Musk is building, you simply can't buy yet.
This article is for informational purposes only and is not financial advice. Always do your own research before investing.Screen stocks and compare valuations with our Stock Screener.




