CONGRESS ASSET MANAGEMENT CO's ownership history for ALNY

CONGRESS ASSET MANAGEMENT CO currently holds 285.7K shares with a market value of $94.5M. It started holding ALNY on 2025-09-30. At its peak, it held 285.7K shares on 2026-03-31. Its highest holding value was $107.1M on 2025-12-31. At its lowest, it held 118.8K shares on 2025-09-30, with a value of $54.2M on 2025-09-30. In the recent 180 days, CONGRESS ASSET MANAGEMENT CO has increased its shares by 166.9K.