NEEDHAM INVESTMENT MANAGEMENT LLC's ownership history for ECVT

NEEDHAM INVESTMENT MANAGEMENT LLC currently holds 1.0M shares with a market value of $9.9M. It started holding ECVT on 2024-09-30. At its peak, it held 1.0M shares on 2025-12-31. Its highest holding value was $9.9M on 2025-12-31. At its lowest, it held 915.0K shares on 2024-09-30, with a value of $5.7M on 2025-03-31. In the recent 180 days, NEEDHAM INVESTMENT MANAGEMENT LLC has increased its shares by 100.0K. In the recent year, NEEDHAM INVESTMENT MANAGEMENT LLC has increased its shares by 100.0K.