ESSEX INVESTMENT MANAGEMENT CO LLC: B position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ESSEX INVESTMENT MANAGEMENT CO LLC on B, newest first. How the timeline and the estimate are built.
ESSEX INVESTMENT MANAGEMENT CO LLC held 22,955 B shares at 2026-06-30 per its 13F-HR filed 2026-08-06.
the latest 13F is the newest step
- period ended2026-06-3013F 22,955 sharesChange vs previous 13F -20 shares
0.11% of the 13F portfolio, value $843,137.
13F-HR 0000201772-26-000005 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 22,975 sharesChange vs previous 13F -3,923 shares
0.15% of the 13F portfolio, value $937,150.
13F-HR 0000201772-26-000004 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 26,898 sharesChange vs previous 13F 0 shares
0.18% of the 13F portfolio, value $1,171,408.
13F-HR 0000201772-26-000001 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 26,898 sharesChange vs previous 13F -27 shares
0.13% of the 13F portfolio, value $881,447.
13F-HR 0000201772-25-000008 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 26,925 sharesChange vs previous 13F not available
0.1% of the 13F portfolio, value $560,579.
13F-HR 0000201772-25-000006 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).