FRED ALGER MANAGEMENT, LLC's ownership history for IONS

FRED ALGER MANAGEMENT, LLC currently holds 28.5K shares with a market value of $2.1M. It started holding IONS on 2025-06-30. At its peak, it held 42.4K shares on 2025-09-30. Its highest holding value was $3.0M on 2025-12-31. At its lowest, it held 9.5K shares on 2025-06-30, with a value of $373.9K on 2025-06-30. In the recent 180 days, FRED ALGER MANAGEMENT, LLC has decreased its shares by 13.9K.