Macro hedge funds suffered their worst monthly losses in years as the Middle East conflict upended inflation expectations and market dynamics. Jupiter Fund lost approximately 12% in March, reducing its quarterly gains to 13.4%, according to an investor letter reviewed by Bloomberg News. The losses reflect broader challenges facing the industry as geopolitical tensions disrupt traditional trading strategies.

Brevan Howard Master Fund experienced its worst monthly decline in over two decades, falling 6.6% in March, according to people familiar with the matter. Taula Capital Management lost 8.6% during the month, bringing year-to-date losses to 7.6%. The steep declines highlight how quickly macro strategies can unravel when inflation expectations shift and traditional correlations break down.

The March performance underscores the vulnerability of macro funds to sudden geopolitical shocks. As the Middle East conflict intensified, investors rushed to reassess inflation trajectories and interest rate expectations, catching many prominent funds off guard. The widespread losses suggest that even sophisticated macro traders struggled to navigate the rapidly changing market environment, raising questions about the sector's resilience during periods of heightened uncertainty.