SpaceX joins Nasdaq 100, prompting billions in fund inflows

SpaceX officially joined the Nasdaq 100 index on Tuesday, July 7, 2026, a move that automatically exposes millions of investors to the company through funds that track the benchmark. The inclusion, which occurred just 15 trading days after SpaceX’s initial public offering on June 12, was enabled by recent rule changes from Nasdaq that shortened the eligibility window for newly listed companies from three months to 15 days.

The addition is expected to trigger billions of dollars in forced buying by passive investment funds. Analysts estimate the inclusion could generate between $4.3 billion and $5.4 billion in inflows as index-tracking products, including the popular Invesco QQQ ETF, adjust their holdings to reflect the new constituent. Despite SpaceX’s market capitalization exceeding $2 trillion, making it the sixth-largest publicly traded U.S. company, its initial weight within the Nasdaq 100 will be relatively small, estimated at roughly 1.3%. This is due to the index’s methodology, which weights companies based on their freely tradable shares, or float. Only a thin slice of SpaceX’s total equity was released in its IPO, leading Nasdaq to scale the company’s effective market...