ESSEX INVESTMENT MANAGEMENT CO LLC's ownership history for ASPN

ESSEX INVESTMENT MANAGEMENT CO LLC currently holds 390.0K shares with a market value of $2.7M. It started holding ASPN on 2024-09-30. At its peak, it held 426.5K shares on 2025-06-30. Its highest holding value was $6.0M on 2024-09-30. At its lowest, it held 215.8K shares on 2024-09-30, with a value of $1.5M on 2025-03-31. In the recent 180 days, ESSEX INVESTMENT MANAGEMENT CO LLC has increased its shares by 157.3K. In the recent year, ESSEX INVESTMENT MANAGEMENT CO LLC has increased its shares by 174.3K.