WESTFIELD CAPITAL MANAGEMENT CO LP's ownership history for ONTO

WESTFIELD CAPITAL MANAGEMENT CO LP currently holds 327.0K shares with a market value of $67.0M. It started holding ONTO on 2024-12-31. At its peak, it held 483.1K shares on 2025-12-31. Its highest holding value was $76.3M on 2025-12-31. At its lowest, it held 203.6K shares on 2025-03-31, with a value of $24.7M on 2025-03-31. In the recent 180 days, WESTFIELD CAPITAL MANAGEMENT CO LP has decreased its shares by 147.6K. In the recent year, WESTFIELD CAPITAL MANAGEMENT CO LP has increased its shares by 123.4K.