SpaceX is preparing for a Nasdaq initial public offering in early June 2026 with a target valuation between $1.75 trillion and $2 trillion [1].

The move marks one of the most anticipated market entries in history. However, the structure of the offering may create artificial price pressure that decouples the stock price from the company's fundamental value.

Market observers and academics said that passive index funds could absorb approximately 30% of the tradable stock [3]. This demand is particularly significant because the expected free-float percentage of total shares is only three% to four% [2]. When a small number of shares are available to the public, high demand from institutional buyers can trigger a feedback loop, pushing the price higher as funds scramble to maintain their index weightings.

This potential surge in demand represents billions of dollars in capital [4]. Because index funds must purchase shares to mirror the market indices they track, they often buy regardless of the current price. This mechanical buying process can inflate valuations even if the underlying business metrics do not justify such a premium.

Elon Musk and other company leadership are navigating a transition from a private entity to a public one on the U.S. exchange. The discrepancy between the total valuation and the limited amount of shares available for trade creates a volatile environment for new investors.

If index funds gobble up a large portion of the float, the remaining shares available for retail and active traders will be even fewer. This scarcity could lead to extreme volatility during the first days of trading on the Nasdaq exchange.

Passive index funds could absorb approximately 30% of the tradable stock.

The situation highlights a systemic risk in modern equity markets where passive investing overrides price discovery. If a massive entity like SpaceX enters the market with a very tight float, the mechanical requirements of index tracking can create a 'bubble' effect. This means the stock price may reflect the necessity of fund mandates rather than the actual financial performance of the aerospace company.