---
title: Rethinking active and passive investing
description: "“Don’t look for the needle in the haystack. Just buy the haystack!” John C. Bogle, 2007 the founder of Vanguard. The advice still holds. But the haystack has changed: ten stocks now make up 38% of the S&P 500."
---

[Slow food for thought](https://blog.syzgroup.com/slow-food-for-thought)

# [Rethinking active and passive investing](https://blog.syzgroup.com/slow-food-for-thought/rethinking-active-and-passive-investing)

 Written by [Charles-Henry Monchau, CFA, CMT, CAIA](https://blog.syzgroup.com/slow-food-for-thought/author/charles-henry-monchau) | Sep 15, 2026, 1:02:09 PM

<https://blog.syzgroup.com/hubfs/Focus_260915_RethinkingActivePassiveInvesting2.pdf?hsLang=en><https://blog.syzgroup.com/hubfs/Focus-Changing%20investment%20preferences%20from%20boomers%20to%20GenZ-31.08.23.pdf?hsLang=en>

[View full post](https://blog.syzgroup.com/slow-food-for-thought/rethinking-active-and-passive-investing)

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