Capital World Investors's ownership history for IONS

Capital World Investors currently holds 21.2M shares with a market value of $1.6B. It started holding IONS on 2024-09-30. At its peak, it held 21.2M shares on 2026-03-31. Its highest holding value was $1.6B on 2026-03-31. At its lowest, it held 7.8M shares on 2024-09-30, with a value of $313.6M on 2024-09-30. In the recent 180 days, Capital World Investors has increased its shares by 8.5M. In the recent year, Capital World Investors has increased its shares by 8.8M.