SpaceX, Tesla Merger Reportedly Could Be Announced as Soon as December, Potentially Ahead of Democrats Taking Control of Congress in January

TradingKey - According to Bloomberg, citing people familiar with the matter, merger talks between SpaceX (SPCX) and Tesla (TSLA) have made progress, with a deal potentially announced as early as December, though an option to postpone the announcement until early 2027 has also been discussed. The boards and advisors of both companies are currently in discussions over transaction terms, the combined company's governance structure, and other matters.

SpaceX's current market value exceeds $1.9 trillion, while Tesla's is approximately $1.5 trillion. The potential transaction would bring electric vehicles, energy storage batteries, rockets, satellites, and AI infrastructure under a single group, potentially becoming the world's largest M&A deal. Representatives for both sides have not yet responded to requests for comment.

Following the news, Tesla shares rose 2.53% to $400.70.

Tesla stock price chart, Source: TradingView

Merger to Be Announced as Early as December Ahead of Democrats Taking Control of New Congress

The shift in the deal timeline is noteworthy. Bloomberg previously reported that both parties were aiming to announce the transaction in the first half of 2027, with the goal of completing the merger before the end of President Donald Trump's term. Now, the earliest announcement has been moved up to December of this year.

This window falls just before the transition of the U.S. Congress. Under the U.S. Constitution, the term of members of the new Congress begins at noon on January 3, 2027. Having captured both the Senate and the House of Representatives in this midterm election, Democrats will gain greater scope for congressional oversight; Trump's current presidential term, meanwhile, runs through January 20, 2029.

Therefore, if the parties announce the plan in December, the deal terms will enter the public domain before Democrats officially take control of the new Congress; if delayed until early 2027, it could overlap with the new Congress launching its oversight agenda. Democrats have already pledged to investigate Elon Musk's business and political activities, creating a more complex political environment for advancing the deal.

Tesla's China Business and SpaceX Defense Contracts Pose Key Merger Hurdles

A foundation for commercial integration between the two companies already exists, including jointly advancing the Terafab semiconductor plant in Texas. The strategic rationale for the merger centers on AI, further integrating businesses such as space infrastructure, autonomous driving, and humanoid robotics.

However, operational complementarities also come with regulatory conflicts. People familiar with the matter said the two sides need to resolve how to structure ring-fencing arrangements for Tesla's China business. JPMorgan analyst Rajat Gupta previously noted that SpaceX's U.S. government and defense contracts carry national security sensitivities, while Tesla operates a massive and lucrative manufacturing footprint in China, and the tension between the two will affect regulatory and shareholder approvals.

This means the merger proposal must not only determine who holds what stake, but also outline how different businesses will be managed, how sensitive operations will be ring-fenced, and whether these arrangements will increase operating costs and limit expected synergies.

Tesla plans to hold its annual shareholder meeting on December 3, nearing the potential deal announcement window. As negotiations advance, market focus will gradually shift from 'whether a merger will happen' to share-swap terms, arrangements for China operations, and the approval timeline—factors that will determine how much support merger expectations can provide to both companies' share prices.