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SpaceX Joins Nasdaq‑100 After 15 Trading Days, Forcing Billions of Index Buys

SpaceX's July 7 Nasdaq‑100 entry forces large, rule‑driven buying into a stock with a very small tradable float.

Overview

  • SpaceX was added to the Nasdaq‑100 on Tuesday, July 7, under a recent Nasdaq rule that allows very large IPOs to enter the index after 15 trading days.
  • Index‑tracking funds and ETFs are expected to buy an estimated $4.3 billion to as much as $6 billion of SPCX to match the index, creating mechanical, largely price‑insensitive demand.
  • Only about 638 million shares were tradeable at the IPO, representing under roughly 5% of total shares, so Nasdaq applied a float adjustment that limits SpaceX’s initial index weight to about 1%.
  • The inclusion coincided with the end of underwriter quiet periods and a wave of bullish research from major banks, yet the stock slid on inclusion day and remains volatile in the low‑to‑mid $150s.
  • Near‑term risks that will shape price are scheduled staged lockup expirations that will add roughly 20% more tradable shares after the first earnings report and the company’s ongoing capital plans for AI and launches.