SpaceX Weighting in Nasdaq 100 Set to More Than Double in Rebalance

Key Facts

1SpaceX's weighting in the Nasdaq 100 index is set to more than double according to a Bloomberg report.

In a move reflecting shifting valuations within the tech and innovation sector, SpaceX's weighting in the Nasdaq 100 index is set to more than double. According to reports from Bloomberg, this significant adjustment is part of a Nasdaq 100 rebalancing designed to better reflect the company's current market valuation. This matters to the broader market as such changes typically trigger mandatory buying activity from passive funds that track the index's composition.

The adjustment occurs alongside steady performance in exchange-related equities, with market data showing NDAQ closed at $91.19 on September 11, 2026. During the same period, SPCX recorded a closing price of $151.21 on September 11, 2026, having traded within a daily range of $145.92 to $151.85. These weighting shifts are standard procedure for major benchmarks to ensure they remain representative of their constituent companies' scale.

As of the close on September 11, 2026, SPCX stands at $151.21 and NDAQ at $91.19. With no specific upcoming catalysts identified in the immediate economic calendar for these instruments, investors will focus on the actual implementation of the rebalance to gauge the scale of passive inflows. Market participants will be watching for support levels near the recent daily lows as the index adjustment takes effect.