The Rational Reminder Podcast

Episode 368: Jim Rowley & Andy Maack - Implementing Index Funds at Vanguard

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Jul 31, 2025
Join Jim Rowley, Vanguard's Global Head of Investment Implementation Research, and Andy Maack, Head of US Equity Portfolio Management, as they dissect the complexities of index funds. They reveal that these funds aren't as passive as they seem, discussing real-time trading decisions and active strategies that enhance returns. The duo explores risk management during secondary offerings, challenges the traditional active versus passive labels, and shares insights on how thoughtful execution adds real investor value. Get ready to rethink what you know about indexing!
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INSIGHT

Index Funds Are Actively Managed

  • Index funds involve active decisions like rebalancing, risk management, and strategy adjustments.
  • Maintaining an index is complex and far from a "set it and forget it" approach.
INSIGHT

Vanguard's FX Desk Evolution

  • Vanguard's FX desk developed from a portfolio manager's curiosity and evolved into a global operation.
  • Self-executing FX trades have saved hundreds of millions in costs over time.
ADVICE

Minimize Trading Price Impact

  • Use limit on close orders to control price impact when trading at benchmarks.
  • Consider trading before or after the close and spreading residual trades over days to reduce market impact.
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