ESSEX INVESTMENT MANAGEMENT CO LLC's ownership history for MASS

ESSEX INVESTMENT MANAGEMENT CO LLC currently holds 493.9K shares with a market value of $4.3M. It started holding MASS on 2025-03-31. At its peak, it held 493.9K shares on 2025-09-30. Its highest holding value was $4.3M on 2025-09-30. At its lowest, it held 477.3K shares on 2025-06-30, with a value of $2.2M on 2025-03-31. In the recent 180 days, ESSEX INVESTMENT MANAGEMENT CO LLC has increased its shares by 13.4K.