The Signs Were All There | Mike Green on When Passive Flows Meet the Largest IPO in History

The Signs Were All There | Mike Green on When Passive Flows Meet the Largest IPO in History

From Excess Returns by Excess Returns

June 11, 2026 · 44 min · Season 1 · Episode 455

About this episode

Mike Green discusses the impact of passive investing and AI IPOs on the stock market.

Mike Green joins Excess Returns to explain why passive investing, index construction, SpaceX, AI IPOs and mega-cap concentration may be changing how the stock market actually works. We discuss how passive flows can affect prices, why AI earnings may be more circular than investors think, what could break the current market narrative, and why the economy feels much weaker for many households than the headline data suggests. Michael Green Twitter https://x.com/profplum99 Simplify Asset Management https://www.simplify.us/ Topics covered: Why the SpaceX IPO has turned passive investing into a mainstream market structure debate How index committees and passive flows can influence individual stocks Why low float, Nasdaq demand and passive buying could create unusual IPO dynamics How new AI-related equity issuance could change the supply-demand balance in the stock market The research behind passive flows, market impact and cap-weight concentration Why Mike thinks passive buying explains more of mega-cap outperformance than AI fundamentals The circular financing risk in AI, including Nvidia, CoreWeave, Google and Anthropic Why buy-the-dip flows, ETFs, CTAs and vol control funds matter…

People in this episode

Host: Excess Returns

Guest: Mike Green

Topics covered

  • passive investing
  • index construction
  • AI IPOs
  • mega-cap concentration
  • market dynamics
  • economic data
  • circular financing risk

Keywords

  • passive flows
  • SpaceX IPO
  • AI earnings
  • market narrative
  • mega-cap outperformance
  • buy-the-dip
  • ETFs
  • household stress

Mentioned in this episode

Organizations: SpaceX, Nvidia, CoreWeave, Google, Anthropic, Simplify Asset Management

More episodes of Excess Returns

Explore listener stats, chart rankings, contacts and more on the Excess Returns podcast page.