BH Digital Asset, the cryptocurrency fund managed by Brevan Howard, experienced a significant decline of 29.5% in 2025, marking its worst performance since its launch in 2021. This downturn contrasts sharply with its previous successes, where the fund achieved growth of 43% in 2023 and 52% in 2024. The fund's performance lagged behind Bitcoin, which saw a 6% decrease over the same period.