SpaceX will make up 2. 82% of the Nasdaq 100 when the index’s quarterly rebalance takes effect Monday, according to data obtained by Bloomberg, locking in a sharp increase from its current weighting of about 1. 28%.
Source: [Bloomberg Markets](https://www.bloomberg.com/news/articles/2026-09-19/spacex-s-nasdaq-100-weight-is-confirmed-at-2-82-in-rebalance)