SpaceX is planning to launch an IPO in the second half of 2026, targeting a valuation of approximately $1.75 trillion. If successful, this would not only be one of the largest IPOs in history but could also lead to a "shift in investor loyalty" among Tesla Motors shareholders.
Narrative Shift: From Electric Vehicles to Space Exploration Tesla Motors is currently undergoing a challenging transition: while its first-quarter net profit showed year-over-year growth, it remains significantly below recent peaks. Highly anticipated projects like Robotaxi and the Optimus robot have yet to generate meaningful revenue. In contrast, SpaceX's Starlink satellite internet and launch services now generate annual revenues of around $22 billion. Combined with its ambitious "space AI" narrative, SpaceX offers the market a clearer growth trajectory compared to Tesla Motors.
Synergy or a Battle for Capital and Attention? At first glance, a successful SpaceX IPO may not be entirely negative for Tesla Motors. The two companies are deeply integrated through the Terafab project—a chip fabrication facility in Texas jointly developed by Tesla Motors, SpaceX, and xAI. This facility aims to internalize AI computing power supply, serving both the Optimus humanoid robot and space-based AI infrastructure. Intel has also announced its participation in the project, assisting in the design and construction of the large-scale factory.
A broader synergy lies in the industrial ecosystem: Tesla Motors' autonomous driving and robotic systems require significant AI inference chips, while SpaceX’s satellite network provides a deployment scenario for computing power in space. Recent capital moves have further integrated the two entities—Tesla Motors purchased $2 billion worth of SpaceX shares, while SpaceX merged with xAI and secured an option to acquire Cursor.
Capital Diversion: Valuation Pressure on Tesla Motors However, capital markets are pragmatic. Many investors who viewed Tesla Motors as a way to "invest in Elon Musk" now have a more "pure-play" alternative. Analysts warn that if SpaceX goes public with a $1.75 trillion valuation and a price-to-sales ratio as high as 80 times, it could redefine the market's valuation benchmark for "Musk-affiliated" stocks. This may lead some institutional investors to sell Tesla Motors holdings to make room for SpaceX.
Endgame Speculation: A Merged Empire? At a deeper level, investors are not just buying into individual companies but into Elon Musk’s long-term vision. From the joint development of Terafab to cross-company equity acquisitions, the operational boundaries between Tesla Motors and SpaceX are blurring. Some analysts suggest that if SpaceX achieves a stable post-IPO valuation, a merger of the two companies—forming a super tech empire with a market cap exceeding $2.4 trillion—may only be a matter of time.
For Tesla Motors, SpaceX’s IPO represents both a narrative competitor and an ecosystem partner. In the short term, pressure from capital diversion is inevitable. However, in the long run, the computing autonomy built through projects like Terafab may serve as the true foundation for Musk’s AI empire ambitions.
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