Portolan Capital Management, LLC: PSN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Portolan Capital Management, LLC on PSN, newest first. How the timeline and the estimate are built.
Portolan Capital Management, LLC held 0 PSN shares at 2025-09-30 per its 13F-HR filed 2025-11-13.
the latest 13F is the newest step
- period ended2025-09-3013F 0 sharesChange vs previous 13F -51,707 shares
13F-HR 0001104659-25-111284 filed by Portolan Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2025-06-3013F 51,707 sharesChange vs previous 13F +51,707 shares
0.23% of the 13F portfolio, value $3,711,011.
13F-HR 0001104659-25-077571 filed by Portolan Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 0 sharesChange vs previous 13F -23,281 shares
13F-HR 0001104659-25-049320 filed by Portolan Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2024-12-3113F 23,281 sharesChange vs previous 13F -14,316 shares
0.14% of the 13F portfolio, value $2,147,672.
13F-HR 0001104659-25-012988 filed by Portolan Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 37,597 sharesChange vs previous 13F not available
0.28% of the 13F portfolio, value $3,898,057.
13F-HR 0001104659-24-118686 filed by Portolan Capital Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).