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Disclosery

Maple Rock Capital Partners Inc.: STX position timeline

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

Maple Rock Capital Partners Inc. held 301,162 STX 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 301,162 shares
    Change vs previous 13F -232,823 shares

    5.7% of the 13F portfolio, value $290,621,330.

    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 533,985 shares
    Change vs previous 13F -131,867 shares

    6.81% of the 13F portfolio, value $209,193,964.

    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 665,852 shares
    Change vs previous 13F -74,500 shares

    6.06% of the 13F portfolio, value $183,368,982.

    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 ended2025-09-30
    13F 740,352 shares
    Change vs previous 13F -391,400 shares

    7.06% of the 13F portfolio, value $174,767,493.

    13F-HR 0001658363-25-000005 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).

  5. period ended2025-06-30
    13F 1,131,752 shares
    Change vs previous 13F +520,846 shares

    8.16% of the 13F portfolio, value $163,345,766.

    13F-HR 0001085146-25-005275 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).

  6. period ended2025-03-31
    13F 610,906 shares
    Change vs previous 13F +336,006 shares

    3.79% of the 13F portfolio, value $51,896,465.

    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).

  7. period ended2024-12-31
    13F 274,900 shares
    Change vs previous 13F 0 shares

    1.73% of the 13F portfolio, value $23,726,619.

    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).

  8. period ended2024-09-30
    13F 274,900 shares
    Change vs previous 13F not available

    1.71% of the 13F portfolio, value $30,109,797.

    13F-HR 0001172661-24-004812 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).