Key Takeaways
- • U.S. long/short equity hedge funds have generated a modest 1% year-to-date return through May 2025, slightly outperforming the S&P 500's 1% gain, driven by solid alpha generation on both long and short positions despite significant market volatility.
- • Short interest has reached its highest level since the 2021 short squeeze, with hedge fund short positions totaling $948 billion in single stocks and $218 billion in ETFs as of early Q2 2025, while median S&P 500 short interest rose to 2.3% of float versus the December baseline of 1.8%.
- • Gross leverage among fundamental long/short equity hedge funds has hit a record high, ranking in the 100th percentile over the past five years, while net leverage remains conservative at the 16th percentile, signaling aggressive positioning on both sides of the portfolio despite macro uncertainty.
- • Goldman Sachs' basket of the most popular hedge fund long positions has appreciated 6% year-to-date, outperforming concentrated short positions across most sectors, with only financials and information technology showing below-average short interest levels relative to three-decade historical averages.
Summary
Long/short equity hedge funds are navigating a challenging 2025 by leveraging disciplined stock-picking to remain marginally profitable despite persistent volatility. According to Goldman Sachs' "Hedge Fund Trend Monitor," the average U.S. long/short equity hedge fund has delivered a 1% year-to-date return, essentially matching the S&P 500's performance while the index has itself faced headwinds from uncertainty. The strategy's ability to generate alpha on both the long and short sides of the portfolio has proven essential for maintaining positive performance in an environment characterized by uneven sector participation and rising macro concerns.
A significant shift in hedge fund positioning has emerged with a resurgence in short interest unseen since the 2021 short squeeze episode. Short positions have expanded materially, with single-stock shorts reaching $948 billion and ETF shorts climbing to $218 billion at the beginning of Q2 2025. This activity reflects a structural shift in manager sentiment: the median S&P 500 stock now carries short interest of 2.3% of float, up from 1.8% in December and marking the first time since 2021 that short interest has exceeded its long-term average. The redeployment of capital into short positions suggests hedge funds are increasingly confident in their ability to identify overvalued securities across the market.
The composition of long positions reveals a split in market leadership. Goldman Sachs' basket of the most popular hedge fund long holdings has outperformed, gaining 6% year-to-date and exceeding the broader S&P 500's return by 500 basis points. This dispersion indicates that concentrated long positioning in select names has offset losses or underperformance in the short book, enabling funds to maintain their slim positive returns. However, this dynamic has created outsized gross leverage, with fundamental long/short equity hedge funds now ranking in the 100th percentile for gross leverage over the past five years. Net leverage remains far more conservative at the 16th percentile, demonstrating that managers have maintained discipline on portfolio net exposure despite elevated gross positioning.
Sectoral analysis reveals divergent short-interest levels that could signal emerging manager consensus. Financials and information technology are the only two sectors where the median stock carries meaningfully below-average short interest relative to three-decade historical averages, suggesting either conviction in these sectors' long-term prospects or caution about shorting stocks with concentrated ownership or structural tailwinds. The contrast between these sectors and the broader market's elevated short interest underscores the nuanced, stock-specific nature of current hedge fund positioning rather than broad sector rotations.
A significant shift in hedge fund positioning has emerged with a resurgence in short interest unseen since the 2021 short squeeze episode. Short positions have expanded materially, with single-stock shorts reaching $948 billion and ETF shorts climbing to $218 billion at the beginning of Q2 2025. This activity reflects a structural shift in manager sentiment: the median S&P 500 stock now carries short interest of 2.3% of float, up from 1.8% in December and marking the first time since 2021 that short interest has exceeded its long-term average. The redeployment of capital into short positions suggests hedge funds are increasingly confident in their ability to identify overvalued securities across the market.
The composition of long positions reveals a split in market leadership. Goldman Sachs' basket of the most popular hedge fund long holdings has outperformed, gaining 6% year-to-date and exceeding the broader S&P 500's return by 500 basis points. This dispersion indicates that concentrated long positioning in select names has offset losses or underperformance in the short book, enabling funds to maintain their slim positive returns. However, this dynamic has created outsized gross leverage, with fundamental long/short equity hedge funds now ranking in the 100th percentile for gross leverage over the past five years. Net leverage remains far more conservative at the 16th percentile, demonstrating that managers have maintained discipline on portfolio net exposure despite elevated gross positioning.
Sectoral analysis reveals divergent short-interest levels that could signal emerging manager consensus. Financials and information technology are the only two sectors where the median stock carries meaningfully below-average short interest relative to three-decade historical averages, suggesting either conviction in these sectors' long-term prospects or caution about shorting stocks with concentrated ownership or structural tailwinds. The contrast between these sectors and the broader market's elevated short interest underscores the nuanced, stock-specific nature of current hedge fund positioning rather than broad sector rotations.
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