Keeping it Simple with Simplify Asset Management Keeping it Simple | Ep. 50: And Yet It Moves!
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Jul 16, 2025 
Davidson Heath, a finance professor at the University of Utah and former derivatives quant, dives into the world of passive investing. He discusses how index inclusion reshapes the information landscape around stocks and the tug-of-war between passive and active strategies. Heath also examines the implications of corporate behavior in response to index fund flows, the risks of high passive market shares, and Japan's investment dynamics. With humor sprinkled throughout, the conversation provides engaging insights into today's market complexities.
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Flows Trump Fundamentals Now
- Fundamental information becomes less relevant as flow-based data from passive investing dominates.
- Market participants focus more on ownership, flows, and positioning than discounted cash flow models.
Flows Challenge Passive Assumptions
- Regular inflows and outflows in passive funds invalidate the assumption of fixed, long-term passive investments.
- Active outperformance is possible when accounting for dynamic supply and demand flows.
Active Managers Closet Indexing Uptick
- Closet indexing has grown as active managers mimic benchmarks to avoid tracking error and firing.
- This behavior complements, rather than substitutes, the rise of passive investments.