The aerospace firm SpaceX is scheduled to join the Nasdaq 100 index this Tuesday, marking the index's first inclusion of a company with space exploration as its core business. Market observers widely anticipate that this addition will trigger substantial passive buying from funds tracking the index, which is expected to significantly impact SpaceX's share price.
Nasdaq announced last week that SpaceX will replace Illumina as a component of the Nasdaq 100, with the change taking effect before the market opens on July 7th, Tuesday. With a current market capitalization of approximately $1.4 trillion, SpaceX is among the largest publicly traded companies not previously part of the index. This inclusion will position it within the top fifteen constituents by market value in the Nasdaq 100, with an estimated weighting between 2.5% and 3%.
Calculations by market analysis firms suggest that exchange-traded funds and other passive funds tracking the Nasdaq 100 will need to purchase roughly $35 billion to $40 billion worth of SpaceX stock to align with its new weighting in the index. This substantial demand for shares could exert upward pressure on the stock price in the near term. Analysts project that SpaceX's share price could experience volatility of around 5% to 8% this week, accompanied by a significant increase in trading volume.
Since the beginning of 2026, SpaceX's stock has surged approximately 110%, primarily driven by the continued growth of its Starlink business and advancements in its Starship program. The company's recently announced plans for AI data centers have further bolstered investor sentiment. SpaceX currently holds a valuation of about $1.4 trillion, with a price-to-earnings ratio near 85, which is substantially higher than the valuation levels typical for traditional aerospace and defense companies.
The inclusion in the Nasdaq 100 is viewed as a significant milestone for SpaceX, signaling a transition from a high-growth standout to a more established blue-chip entity. For index fund investors, this means they will, for the first time, gain direct exposure to a core asset in the space sector through a major broad-market index. Analysts note that short-term volatility following the inclusion is likely unavoidable. However, over the long term, SpaceX's fundamental business performance and technological progress will remain the key determinants of its stock price trajectory. The market will closely monitor the actual scale of passive fund purchases this week and their subsequent impact on the share price.
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