Portolan Capital Management, LLC: TMDX position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Portolan Capital Management, LLC on TMDX, newest first. How the timeline and the estimate are built.
Portolan Capital Management, LLC held 82,354 TMDX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 82,354 sharesChange vs previous 13F +71,666 shares
0.2% of the 13F portfolio, value $5,469,953.
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 10,688 sharesChange vs previous 13F -86,205 shares
0.06% of the 13F portfolio, value $1,062,494.
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 96,893 sharesChange vs previous 13F +27,983 shares
0.63% of the 13F portfolio, value $11,787,033.
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 ended2025-09-3013F 68,910 sharesChange vs previous 13F +68,910 shares
0.42% of the 13F portfolio, value $7,731,702.
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).
- period ended2025-06-3013F 0 sharesChange vs previous 13F -47,536 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-03-3113F 47,536 sharesChange vs previous 13F not available
0.24% of the 13F portfolio, value $3,198,222.
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).