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Disclosery

Maple Rock Capital Partners Inc.: WERN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Maple Rock Capital Partners Inc. on WERN, newest first. How the timeline and the estimate are built.

Maple Rock Capital Partners Inc. held 1,366,167 WERN 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 1,366,167 shares
    Change vs previous 13F +812,800 shares

    1.17% of the 13F portfolio, value $59,578,543.

    13F-HR 0001658363-26-000007 filed by Maple Rock Capital Partners Inc.
    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 553,367 shares
    Change vs previous 13F -240,133 shares

    0.53% of the 13F portfolio, value $16,274,523.

    13F-HR 0001658363-26-000005 filed by Maple Rock Capital Partners Inc.
    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 793,500 shares
    Change vs previous 13F +793,500 shares

    0.79% of the 13F portfolio, value $23,812,935.

    13F-HR 0001658363-26-000003 filed by Maple Rock Capital Partners Inc.
    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 0 shares
    Change vs previous 13F -981,540 shares

    13F-HR 0001172661-25-002351 filed by Maple Rock Capital Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2024-12-31
    13F 981,540 shares
    Change vs previous 13F not available

    2.56% of the 13F portfolio, value $35,256,917.

    13F-HR 0001172661-25-001210 filed by Maple Rock Capital Partners Inc.
    Filed (acceptance time not in the bulk data set), ingested

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