The SpaceX Effect: How Mega-Cap IPOs Reshape Index Methodologies

Published on June 8, 2026

In my more than two decades covering index funds, I have never seen anything quite like the frenzy surrounding the SpaceX IPO. The sheer scale and market anticipation of this pending debut this week have done something rare. It has encouraged index providers to re-evaluate how they build and maintain benchmarks that are tracked by trillions of dollars.