---
title: "Most fund managers trail S&P 500 as simple strategy outperforms"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286643548.md"
description: "A report by S&P Dow Jones Indices reveals that 90% of active fund managers have underperformed the S&P 500 over the past 15 years. Advocates like Brian Preston and Warren Buffett recommend dollar-cost averaging into low-cost S&P 500 index funds as an effective long-term strategy. Additionally, some analysts suggest that diversifying assets may help reduce volatility and concentration risk for investors nearing retirement."
datetime: "2026-05-16T11:05:18.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286643548.md)
  - [en](https://longbridge.com/en/news/286643548.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286643548.md)
---

# Most fund managers trail S&P 500 as simple strategy outperforms

Widespread underperformance: S&P Dow Jones Indices reports 90% of active fund managers lagged the S&P 500 over 15 years, highlighting persistent challenges in beating the market. Simple winning approach: Brian Preston and Warren Buffett advocate dollar-cost averaging into low-cost S&P 500 index funds as a proven long-term strategy. Diversification debate: Some analysts note that adding other assets can reduce volatility and concentration risk, especially for investors nearing retirement.

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