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Goldman Sachs flags hedge fund underperformance against S&P 500 as AI trade fades

Reported by Traders Union
Aug 21, 2026· 2 min read
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Key Takeaways
  • • Goldman Sachs reports hedge funds posted their worst monthly underperformance versus the S&P 500 in July 2026, marking the weakest relative performance in more than 20 years of tracked data.
  • • The average hedge fund has returned 4% year-to-date compared with 9% for the S&P 500, positioning the sector to underperform the benchmark for the eighth consecutive year.
  • • The underperformance was driven by a sharp reversal in artificial intelligence stocks during July, as momentum in the AI trade cooled significantly after an extended rally.
  • • Goldman's Hedge Fund VIP list experienced the worst one-month relative performance versus the S&P 500 in over two decades, according to the firm's analysis.
  • • Despite near-term headwinds, some hedge funds remain fundamentally bullish on AI stocks despite the recent momentum reversal in technology equities.
Summary
Goldman Sachs has flagged a historic performance divergence between hedge funds and the broader equity market, with hedge funds suffering their worst single-month underperformance relative to the S&P 500 in more than two decades during July 2026. According to Goldman's analysis, the sharp setback reflects a sudden cooling in artificial intelligence stocks that had dominated portfolio positioning through the first half of 2026.

The performance gap was particularly acute during July, with Goldman's proprietary Hedge Fund VIP list registering its weakest relative monthly performance in over 20 years of data collection. This represents a severe reversal for a sector that had capitalized on the AI investment wave throughout 2025 and early 2026. The deterioration underscores how concentrated hedge fund positioning has become around technology and AI-related assets.

Year-to-date results reveal a structural challenge for the hedge fund industry. The average hedge fund has delivered a 4% return through the measurement period, compared with 9% for the S&P 500—a significant gap that is positioning the sector to underperform the broader market benchmark for the eighth consecutive year. This extended period of underperformance raises questions about the value proposition of active management in the current market environment.

The July collapse was precipitated by a reversal of momentum in AI equities, as speculative positioning unwound and investor appetite for richly valued technology names cooled. Goldman's strategists noted that the fading of the AI trade created acute pressure on hedge fund portfolios that had allocated heavily to the sector. However, despite the sharp July setback, some hedge funds maintain a fundamentally bullish stance on long-term AI stock valuations, viewing the recent correction as a tactical pullback rather than a fundamental repricing.

The performance data underscores the challenge facing hedge fund managers navigating a market increasingly dominated by single-theme rallies and concentrated positioning. The sector's inability to capitalize on the AI wave, combined with its extended period of underperformance relative to passive benchmarks, continues to pressure the competitive position of active hedge fund strategies.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Traders Union Goldman Sachs flags hedge fund underperformance against S&P 500 as AI trade fades