Wall Street is now running the numbers: if Musk were to actually merge Tesla and SpaceX, what equity swap ratio would be needed to secure approval from Tesla shareholders?

Based on Tesla’s current stock price of around $400 and SpaceX’s estimated valuation, a widely circulated merger analysis presents three scenarios. The core logic is straightforward—more SpaceX shares offered to Tesla shareholders mean higher premium, and thus greater likelihood of approval.

Examining the three proposals in detail reveals a carefully calibrated calculation:

The first scenario, the "minimum threshold," proposes exchanging 1 share of Tesla for 3.3 shares of SpaceX, implying a Tesla share value of approximately $445—just an 11% increase over current levels. Under this arrangement, Tesla shareholders would gain roughly $175 billion in additional value.

However, post-merger, Tesla shareholders would hold only 49% of the combined entity—less than half. Given that major institutional investors and board members are unlikely to accept such a dilution of control, the proposal’s approval probability falls below 50%.

The second scenario—the "most likely transaction midpoint"—suggests a range of 3.65 to 3.85 shares of SpaceX per Tesla share, corresponding to a Tesla valuation of $490 to $520, representing a 23% to 30% premium. This would yield incremental gains of $370 billion to $470 billion. Crucially, Tesla shareholders would retain ownership stakes of 51.5% to 53%, just above the majority threshold. Approval probability jumps accordingly, to between 70% and 85%.

The third option represents a "generous payout" structure: 4.1 to 4.45 shares of SpaceX per Tesla share, plus additional terms, implying a Tesla valuation of $550 to $600—up to a 50% premium. Under this model, Tesla shareholders would receive $600 billion to $790 billion in added value and maintain a 54% to 56% stake, effectively guaranteeing approval.

Why is the 50% threshold so rigidly enforced?

Because Tesla is a publicly traded company, backed by sophisticated institutional investors like Vanguard and BlackRock; SpaceX remains a private entity, with Elon Musk holding absolute control. If Tesla shareholders end up with less than 50% post-merger, they would be effectively financing a private asset’s rise while surrendering voting power—a move that could trigger legal challenges under Delaware corporate law and shareholder litigation. Only when Tesla retains a majority stake can the deal maintain the formal appearance of a “Tesla-led merger,” enabling institutional investors to justify the transaction to their clients.

Looking deeper, this type of stock-for-stock merger essentially provides SpaceX with a backdoor route to public markets, bypassing a traditional IPO. Starlink is already generating stable cash flow, and Starship continues to push the boundaries of payload capacity. Consolidating rockets, satellites, electric vehicles, energy storage, and AI compute into a single superstructure enables a unified platform that simultaneously addresses governance challenges posed by Musk’s leadership across multiple high-demand ventures—and offers retail investors direct exposure to a bundled package of terrestrial transportation and low-Earth-orbit infrastructure.

Of course, even the most compelling figures must survive scrutiny from the Pentagon and antitrust regulators. The U.S. Department of Defense has clear concerns about the ownership structure of its primary launch contractor suddenly including a large number of foreign-listed, publicly traded shares.

For ordinary retail investors, the most subtle implication lies here:

Previously, buying Tesla meant betting on the future of electric vehicles and autonomous driving;

If the middle-tier merger plan succeeds, the stock becomes a cosmic blind box—“buy an electric car, get a rocket free.”

Original source: toutiao.com/article/1881886827417603/

Disclaimer: The views expressed in this article are those of the author alone.