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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

  1. period ended2025-12-31
    13F 277,501 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2025-09-30
    13F 272,501 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-06-30
    13F 245,000 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-03-31
    13F 245,000 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2024-12-31
    13F 215,000 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2024-09-30
    13F 205,000 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-06-30
    13F 160,100 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-03-31
    13F 90,100 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).