Portolan Capital Management, LLC: SEZL position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Portolan Capital Management, LLC on SEZL, newest first. How the timeline and the estimate are built.
Portolan Capital Management, LLC held 135,743 SEZL shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 135,743 sharesChange vs previous 13F +65,697 shares
0.87% of the 13F portfolio, value $23,297,571.
13F-HR 0001104659-26-096980 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 ended2026-03-3113F 70,046 sharesChange vs previous 13F -97,827 shares
0.24% of the 13F portfolio, value $4,433,211.
13F-HR 0001104659-26-062488 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 ended2025-12-3113F 167,873 sharesChange vs previous 13F +167,873 shares
0.57% of the 13F portfolio, value $10,655,739.
13F-HR 0001104659-26-016304 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 -13,168 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 13,168 sharesChange vs previous 13F not available
0.23% of the 13F portfolio, value $3,368,374.
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).