ESSEX INVESTMENT MANAGEMENT CO LLC's ownership history for RFIL

ESSEX INVESTMENT MANAGEMENT CO LLC currently holds 17.9K shares with a market value of $184.5K. It started holding RFIL on 2025-12-31. At its peak, it held 24.6K shares on 2025-12-31. Its highest holding value was $184.5K on 2026-03-31. At its lowest, it held 17.9K shares on 2026-03-31, with a value of $142.2K on 2025-12-31.