SOUTHPORT MANAGEMENT, L.L.C.: IMRX position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SOUTHPORT MANAGEMENT, L.L.C. on IMRX, newest first. How the timeline and the estimate are built.
SOUTHPORT MANAGEMENT, L.L.C. held 277,501 IMRX shares at 2025-12-31 per its 13F-HR filed 2026-02-13.
the latest 13F is the newest step
- period ended2025-12-3113F 277,501 sharesChange vs previous 13F +5,000 shares
6.37% of the 13F portfolio, value $1,825,957.
13F-HR 0000919574-26-000960 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 272,501 sharesChange vs previous 13F +27,501 shares
7.87% of the 13F portfolio, value $1,907,507.
13F-HR 0000919574-25-007032 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 245,000 sharesChange vs previous 13F 0 shares
4.03% of the 13F portfolio, value $825,650.
13F-HR 0000919574-25-004671 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 245,000 sharesChange vs previous 13F +30,000 shares
1.61% of the 13F portfolio, value $372,400.
13F-HR 0000919574-25-003076 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 215,000 sharesChange vs previous 13F +10,000 shares
1.71% of the 13F portfolio, value $473,000.
13F-HR 0000919574-25-001175 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 205,000 sharesChange vs previous 13F +44,900 shares
1.9% of the 13F portfolio, value $510,450.
13F-HR 0000919574-24-006503 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-06-3013F 160,100 sharesChange vs previous 13F +70,000 shares
0.92% of the 13F portfolio, value $204,928.
13F-HR 0000919574-24-004528 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-03-3113F 90,100 sharesChange vs previous 13F not available
0.96% of the 13F portfolio, value $260,389.
13F-HR 0000919574-24-003009 filed by SOUTHPORT MANAGEMENT, L.L.C.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).