The Rational Reminder Podcast: Episode 406: When Massive Private Companies Go Public (opens in new tab)

In this episode, the Rational Reminder team unpacks the mechanics and implications of mega IPOs like SpaceX, OpenAI, and Anthropic potentially entering public indices. They explore how index funds handle IPO inclusion, why newly public stocks tend to underperform, and how structural features of indexing can lead to systematically buying high and selling low. The conversation dives into academic research on IPO returns, the role of free float in index construction, and how evolving market dyna...