GREAT LAKES ADVISORS, LLC's ownership history for IONS

GREAT LAKES ADVISORS, LLC currently holds 149.2K shares with a market value of $11.8M. It started holding IONS on 2025-06-30. At its peak, it held 399.6K shares on 2025-06-30. Its highest holding value was $15.8M on 2025-06-30. At its lowest, it held 149.2K shares on 2025-12-31, with a value of $11.8M on 2025-12-31. In the recent 180 days, GREAT LAKES ADVISORS, LLC has decreased its shares by 250.5K.