$XBI $DAWN  $LABU Biotech seasonality tends to outperform in January, February, August, and September due to factors like increased news flow and conferences. Conversely, they underperform in March and November. 

Summer months, particularly June and July, often see strength tied to industry events and clinical study publications, which generate investor excitement.

December also stands out as a strong month for biotech stocks, driven by end-of-year market dynamics. These trends are influenced by both industry-specific catalysts and broader market behaviors.