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Disclosery

SOUTHPORT MANAGEMENT, L.L.C.: MMM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SOUTHPORT MANAGEMENT, L.L.C. on MMM, newest first. How the timeline and the estimate are built.

SOUTHPORT MANAGEMENT, L.L.C. held 8,000 MMM 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 8,000 shares
    Change vs previous 13F 0 shares

    4.47% of the 13F portfolio, value $1,280,800.

    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 8,000 shares
    Change vs previous 13F 0 shares

    5.12% of the 13F portfolio, value $1,241,440.

    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 8,000 shares
    Change vs previous 13F -2,500 shares

    5.95% of the 13F portfolio, value $1,217,920.

    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 10,500 shares
    Change vs previous 13F +2,000 shares

    6.65% of the 13F portfolio, value $1,542,030.

    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 8,500 shares
    Change vs previous 13F 0 shares

    3.98% of the 13F portfolio, value $1,097,265.

    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 8,500 shares
    Change vs previous 13F 0 shares

    4.32% of the 13F portfolio, value $1,161,950.

    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 8,500 shares
    Change vs previous 13F not available

    3.89% of the 13F portfolio, value $868,615.

    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).