AMERICAN CENTURY COMPANIES INC's ownership history for IONS

AMERICAN CENTURY COMPANIES INC currently holds 1.7M shares with a market value of $124.9M. It started holding IONS on 2024-09-30. At its peak, it held 1.7M shares on 2026-03-31. Its highest holding value was $127.9M on 2025-12-31. At its lowest, it held 6.3K shares on 2024-09-30, with a value of $252.1K on 2024-09-30. In the recent 180 days, AMERICAN CENTURY COMPANIES INC has increased its shares by 291.6K. In the recent year, AMERICAN CENTURY COMPANIES INC has increased its shares by 1.5M.