ESSEX INVESTMENT MANAGEMENT CO LLC: NEPH position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ESSEX INVESTMENT MANAGEMENT CO LLC on NEPH, newest first. How the timeline and the estimate are built.
ESSEX INVESTMENT MANAGEMENT CO LLC held 38,927 NEPH shares at 2026-06-30 per its 13F-HR filed 2026-08-06.
the latest 13F is the newest step
- period ended2026-06-3013F 38,927 sharesChange vs previous 13F -57 shares
0.02% of the 13F portfolio, value $138,969.
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 38,984 sharesChange vs previous 13F 0 shares
0.02% of the 13F portfolio, value $116,172.
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 38,984 sharesChange vs previous 13F +14,162 shares
0.03% of the 13F portfolio, value $190,242.
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 24,822 sharesChange vs previous 13F 0 shares
0.02% of the 13F portfolio, value $117,408.
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 24,822 sharesChange vs previous 13F not available
0.02% of the 13F portfolio, value $101,522.
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).