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Hedge funds deliver mixed September results on AI swings - Finance news and analysis from Global Banking & Finance Review
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Hedge funds deliver mixed September results on AI swings

Published by Global Banking & Finance Review

Posted on October 7, 2026

4 min read

· Last updated: October 7, 2026

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Mixed Returns for Hedge Funds in September as AI and Macro Swings Hit Markets

Hedge Fund Performance Amid Market Volatility

By Anirban Sen and Summer Zhen

HONG KONG/NEW YORK, Oct 7 (Reuters) - Global hedge funds delivered mixed results in September after surging bond yields, higher oil prices and swings in AI shares drove selling, while quant strategies posted gains, according to prime brokerage notes and investors.

Equity Long-Short and Systematic Fund Results

Global fundamental equity long-short funds on average lost 0.55% last month, Goldman Sachs Prime Services team said in a note, although they outperformed the MSCI World Index, which fell 1.3%.

In contrast, computer-driven systematic equity long-short funds rose 3.46% last month, marking their best monthly performance this year, according to Goldman Sachs. 

Central Bank Moves and Macro Events

Central bank headlines dominated September. The US Federal Reserve raised interest rates for the first time since 2023 and signalled more rate hikes in coming months. The US-Israeli war on Iran pushed oil prices higher and sent US Treasury yields to two-decade highs.

AI Swings Complicate Short-Term Trades

AI SWINGS COMPLICATE SHORT-TERM TRADES

Expectations of a slowdown in AI spending also triggered swings in crowded technology positions from the US to South Korea, complicating short-term trading.

Sector Divergence in the US

In the US, hedge funds sold most sectors in September, but divergence emerged within the tech sector where electronic equipment and hardware were sold off, while semiconductor equipment and software attracted strong inflows, Goldman Sachs said. 

Performance of Major Multi-Strategy and Macro Funds

Multi-Strategy Hedge Fund Results

Large multi-strategy funds managed modest gains. Citadel's flagship Wellington fund ended September up 1.1%, leaving it 13.4% higher for the year.

Balyasny went up 0.1% while Millennium was flat last month.

Asian Hedge Fund Performance

In Asia, Morgan Stanley said macro uncertainty limited hedge fund performance in September. The bank estimated Asian hedge funds across strategies fell 0.6% last month through September 25, compared with a 0.2% decline globally. 

Profitable Strategies and Standout Funds

Some strategies profited from the sharp moves in commodities and rates. 

Bridgewater Associates' Pure Alpha macro fund returned 18.4% in the first nine months of the year.

At the $22 billion Graham Capital, quantitative strategies stand out, with its Quant Macro fund gaining 5.36% in September and 21.89% year-to-date, while its Tactical Trend fund returned 3.26% for the month and 31.16% for the year. 

Trend-Following Funds and Market Drivers

Trend-following hedge funds were among the biggest winners in September with the Société Générale trend index gaining more than 4%. 

Short fixed income and long energy positions largely drove the gain, according to Winton Group.

Industry Outlook and Analyst Insights

Analysts said the rate-hiking environment could create greater divergence across the hedge fund industry.  

"Some benefit directly from higher short-term rates, while others face higher financing costs that can materially reduce returns," said Don Steinbrugge, CEO at Agecroft Partners. 

Monthly and Year-to-Date Hedge Fund Returns

Here are some of ​the monthly and YTD returns:

Fund Name Strategy September YTD

Citadel Tactical Multi-strategy 2.2% 28%

Trading

Citadel Multi-strategy 1.1% 13.4%

Wellington

Citadel Equities Multi-strategy 1% 24.5%

Millennium Multi-strategy 0% 8.1%

Balyasny Multi-strategy 0.1% 0.7%

Bridgewater Pure Macro 18.4%

Alpha

Graham Capital Macro 0.13% 3.02%

Absolute Return

Graham Capital Quant 3.26% 31.16%

Tactical Trend

Graham Capital Quant 5.36% 21.89%

Quant Macro

Graham Capital Macro 1.33% 8.2%

Proprietary

Matrix

Glazer Enhanced Event Driven 0.05% 6.55%

Fund

Dymon Asia Multi-strategy 0.7% 7%

Polymer Asia Multi-strategy 0.8% 11.3%

Pinpoint Multi- Multi-strategy -1.5% 5.8%

strategy

CFM Discus Multi-strategy 3.1% 21.6%

CFM Stratus Multi-strategy 2.9% 12%

CFM Systematic Macro 3.3% 23.3%

Global Macro

CFM Cumulus Multi-strategy 3.3% 14.4%

Source: Reuters reporting

(Reporting by Anirban Sen and Summer Zhen; Editing by Emelia Sithole-Matarise, Barbara Lewis and Shri Navaratnam)

Key Takeaways

  • Fundamental long‑short equity funds underperformed, yet still beat the MSCI World Index, which fell 1.3% (live.euronext.com)
  • Systematic, computer‑driven equity long‑short funds rose 3.46%, marking their best monthly result of 2026 (live.euronext.com)
  • Trend‑following strategies excelled, with the Société Générale trend index gaining over 4%, driven by short fixed‑income and long energy positions (live.euronext.com)

References

Frequently Asked Questions

How did global hedge funds perform in September?
Global hedge funds had mixed results, with fundamental equity long-short funds losing 0.55% on average, while systematic equity long-short funds rose 3.46%.
Which strategies drove hedge fund gains in September?
Quantitative strategies and trend-following funds were top performers, with Société Générale’s trend index gaining over 4% and Graham Capital funds posting significant returns.
How did swings in AI shares impact hedge fund performance?
Swings in AI-related stocks led to sector divergence, complicating short-term trading and affecting returns, especially in crowded technology positions.
Which hedge funds delivered notable performances in September?
Graham Capital’s Quant Macro fund gained 5.36% and Citadel’s Wellington was up 1.1%. Bridgewater’s Pure Alpha macro fund returned 18.4% year-to-date.
What macroeconomic factors influenced hedge fund results?
Rising bond yields, higher oil prices, and central bank signals, such as US Federal Reserve rate hikes, were major drivers of hedge fund performance.

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