# E427: AQR's Peter Hecht on AI, Market Bubbles & How the Best Investors Build Portfolios

Page: https://stenobird.com/podcast/how-i-invest-with-david-weisburd-6470713/e427-aqr-s-peter-hecht-on-ai-market-bubbles-how-the-best-investors-build-portfolios
Text version: https://stenobird.com/podcast/how-i-invest-with-david-weisburd-6470713/e427-aqr-s-peter-hecht-on-ai-market-bubbles-how-the-best-investors-build-portfolios.md
Podcast: [How I Invest with David Weisburd](https://stenobird.com/podcast/how-i-invest-with-david-weisburd-6470713)
Published: 2026-09-09T12:45:00+00:00
Episode link: https://howiinvestpodcast.com/episodes/ivyzr0ZVAvP
Audio file: https://dts.podtrac.com/redirect.mp3/media.podcastai.com/episodes/ivyzr0ZVAvP.mp3?u=1788958801
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Duration seconds: 3909

## Resource

Peter Hecht, Managing Director at AQR Capital Management, explains why diversification has to be measured by underlying risk rather than the number of investments you own. At AQR, diversification is a core principle: thousands of relatively small, uncorrelated investment decisions can collectively create an attractive return for a given level of risk.

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## Transcript

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