CONGRESS ASSET MANAGEMENT CO's ownership history for IONS

CONGRESS ASSET MANAGEMENT CO currently holds 3.9K shares with a market value of $296.3K. It started holding IONS on 2026-03-31. At its peak, it held 3.9K shares on 2026-03-31. Its highest holding value was $296.3K on 2026-03-31. At its lowest, it held 3.9K shares on 2026-03-31, with a value of $296.3K on 2026-03-31.