SpaceX-Tesla Merger Could Create Nearly $4 Trillion Giant
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SpaceX-Tesla Merger Could Create Nearly $4 Trillion Giant Khac Phu Nguyen Mon, July 6, 2026 at 1:46 PM EDT 2 min read SPCX This article first appeared on GuruFocus . SpaceX ( NASDAQ:SPCX ), Elon Musk's commercial space and satellite company, and Tesla ( NASDAQ:TSLA ), his electric vehicle and clean energy company, appear to be moving closer toward a possible combination as investors reassess the growing overlap across Musk's business empire. Musk has not publicly confirmed that a merger is his endgame, but SpaceX's amended IPO filing warned it may issue "a significant amount of equity" in future transactions, fueling speculation that a deal could be coming. The strategic connection increasingly revolves around artificial intelligence, with Tesla expanding its autonomous driving and humanoid robot efforts while SpaceX acquired xAI in February and is pursuing ambitions to deploy data centers in space. Bloomberg Intelligence modeling suggests AI could become SpaceX's largest revenue driver from this year, potentially reshaping how investors value the company beyond its traditional launch and satellite businesses. Warning! GuruFocus has detected 1 Warning Sign with SPCX. Is SPCX fairly valued? Test your thesis with our free DCF calculator. The financial and operational links between the two companies have also strengthened considerably. SpaceX mentioned Tesla 88 times in its amended IPO filing, including disclosures that it has spent at least $1 billion on Tesla's utility-scale batteries to power xAI data centers and purchased $131 million worth of Cybertrucks. Tesla, meanwhile, owns a small stake in SpaceX after its $2 billion investment in xAI was converted into SpaceX equity following the acquisition. Musk has also described a convergence between Tesla, SpaceX, and xAI around solar-powered AI satellites, while the companies are collaborating on Terafab, a planned Texas semiconductor fabrication plant that would produce chips for Tesla's EVs, robotaxis, and Optimus robots, as well as chips designed for SpaceX's orbital AI satellites. For investors, the growing integration suggests a merger could potentially simplify funding for increasingly expensive AI infrastructure while allowing the companies to pool technology and resources more efficiently. SpaceX's roughly $2.1 trillion valuation in early July, compared with Tesla's roughly $1.6 trillion market value, suggests SpaceX would likely be the acquirer if a transaction were pursued. Based on those valuations, the combined company could approach a $4 trillion value, potentially making it the world's fourth-largest company behind Nvidia ( NASDAQ:NVDA ), Alphabet ( NASDAQ:GOOG ), and Apple ( NASDAQ:AAPL ). Tesla is also expected to ramp up spending on AI initiatives while analyst consensus projects its free cash flow could turn negative in 2026, potentially increasing the appeal of a larger combined balance sheet. Even so, investors may continue weighing potential shareholder dilution, governance concerns stemming from Musk's influence over both companies, regulatory scrutiny tied to SpaceX's U.S. government contracts and Tesla's manufacturing operations in China, and the possibility that a combined business could trade at a conglomerate discount rather than reflecting the full value of its individual businesses.
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