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Hedge funds pile into shorts as Goldman flags stock squeeze risk

Reported by Opalesque ·Bloomberg
Oct 22, 2026· 2 min read
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Key Takeaways
  • • Hedge funds piled into short positions in October, with short sales exceeding long purchases by roughly five to one globally, according to Goldman Sachs prime brokerage data.
  • • Net leverage among fundamental long/short funds sits near a three-year low even as gross leverage has risen, indicating that gross exposure has grown while net directional exposure has not.
  • • Goldman Sachs flagged the risk of a stock squeeze arising from the elevated short positioning.
Summary
Hedge funds added substantially to short positions in October, with short sales outpacing long purchases by roughly five to one on a global basis, according to Goldman Sachs prime brokerage data. The positioning shift was reported by Bloomberg under the headline "Hedge Funds Pile Into Shorts as Goldman Flags Stock Squeeze Risk."

Despite the rise in gross leverage across the industry, net leverage among fundamental long/short funds is close to a three-year low. The divergence suggests managers have expanded both long and short books while keeping their net market exposure restrained, a pattern that leaves portfolios sensitive to sharp reversals in heavily shorted names.

Goldman Sachs highlighted the potential for a stock squeeze given the crowded short positioning. A squeeze of this kind, in which rising prices force short sellers to cover, is a standard risk for allocators to monitor when assessing crowded short exposure and its effect on portfolio drawdown.

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Sources

2 outlets

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

Opalesque Hedge funds pile into shorts as Goldman flags stock squeeze risk Bloomberg Hedge Funds Pile Into Shorts as Goldman Flags Stock Squeeze Risk