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SOUTHERNSUN ASSET MANAGEMENT, LLC: LPX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SOUTHERNSUN ASSET MANAGEMENT, LLC on LPX, newest first. How the timeline and the estimate are built.

SOUTHERNSUN ASSET MANAGEMENT, LLC held 577,698 LPX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 577,698 shares
    Change vs previous 13F +91,829 shares

    6.12% of the 13F portfolio, value $45,441,725.

    13F-HR 0001213900-26-089539 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 485,869 shares
    Change vs previous 13F +28,615 shares

    5.12% of the 13F portfolio, value $35,346,970.

    13F-HR 0001213900-26-055668 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 457,254 shares
    Change vs previous 13F +29,212 shares

    5.15% of the 13F portfolio, value $36,927,833.

    13F-HR 0001213900-26-015916 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 428,042 shares
    Change vs previous 13F -5,218 shares

    4.93% of the 13F portfolio, value $38,027,251.

    13F-HR 0001213900-25-110468 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 433,260 shares
    Change vs previous 13F -24,831 shares

    5.23% of the 13F portfolio, value $37,256,027.

    13F-HR 0001213900-25-076093 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 458,091 shares
    Change vs previous 13F -26,272 shares

    6.1% of the 13F portfolio, value $42,135,210.

    13F-HR 0001213900-25-043117 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 484,363 shares
    Change vs previous 13F +5,457 shares

    6.25% of the 13F portfolio, value $50,155,789.

    13F-HR 0001213900-25-013886 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 478,906 shares
    Change vs previous 13F not available

    6.1% of the 13F portfolio, value $51,463,239.

    13F-HR 0001213900-24-097889 filed by SOUTHERNSUN ASSET MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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