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DIMENSIONAL FUND ADVISORS LP: ALK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DIMENSIONAL FUND ADVISORS LP on ALK, newest first. How the timeline and the estimate are built.

DIMENSIONAL FUND ADVISORS LP held 6,488,763 ALK shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,488,763 shares
    Change vs previous 13F +140,600 shares

    0.06% of the 13F portfolio, value $338,712,992.

    13F-HR 0000354204-26-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,348,163 shares
    Change vs previous 13F +145,484 shares

    0.05% of the 13F portfolio, value $233,463,493.

    13F-HR 0000354204-26-000581 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,202,679 shares
    Change vs previous 13F -70,405 shares

    0.07% of the 13F portfolio, value $311,991,339.

    13F-HR 0000354204-26-000347 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,273,084 shares
    Change vs previous 13F +56,225 shares

    0.07% of the 13F portfolio, value $312,279,931.

    13F-HR 0000354204-25-001337 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,216,859 shares
    Change vs previous 13F +474,472 shares

    0.07% of the 13F portfolio, value $307,613,532.

    13F-HR 0000354204-25-001097 filed by DIMENSIONAL FUND ADVISORS LP
    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 5,742,387 shares
    Change vs previous 13F -482,667 shares

    0.07% of the 13F portfolio, value $282,640,013.

    13F-HR 0000354204-25-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,225,054 shares
    Change vs previous 13F +56,740 shares

    0.1% of the 13F portfolio, value $403,075,760.

    13F-HR 0000354204-25-000528 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,168,314 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $278,867,817.

    13F-HR 0000354204-24-004773 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

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