GRANDFIELD & DODD, LLC's ownership history for IONS

GRANDFIELD & DODD, LLC currently holds 37.8K shares with a market value of $3.0M. It started holding IONS on 2024-09-30. At its peak, it held 37.8K shares on 2025-12-31. Its highest holding value was $3.0M on 2025-12-31. At its lowest, it held 34.8K shares on 2024-09-30, with a value of $1.1M on 2025-03-31. In the recent 180 days, GRANDFIELD & DODD, LLC has increased its shares by 591. In the recent year, GRANDFIELD & DODD, LLC has increased its shares by 1.9K.