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TUDOR INVESTMENT CORP ET AL: ALK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TUDOR INVESTMENT CORP ET AL on ALK, newest first. How the timeline and the estimate are built.

TUDOR INVESTMENT CORP ET AL held 93,108 ALK 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 93,108 shares
    Change vs previous 13F +32,234 shares

    0.02% of the 13F portfolio, value $4,860,238.

    13F-HR 0000902664-26-003485 filed by TUDOR INVESTMENT CORP ET AL
    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 60,874 shares
    Change vs previous 13F +60,874 shares

    0.01% of the 13F portfolio, value $2,238,946.

    13F-HR 0000902664-26-002516 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F/A 0 shares
    Change vs previous 13F -419,556 shares

    13F-HR/A 0000902664-25-005239 filed by TUDOR INVESTMENT CORP ET AL
    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.

  4. period ended2025-06-30
    13F 419,556 shares
    Change vs previous 13F +84,810 shares

    0.16% of the 13F portfolio, value $20,759,631.

    13F-HR 0000902664-25-003613 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 334,746 shares
    Change vs previous 13F +285,560 shares

    0.15% of the 13F portfolio, value $16,476,198.

    13F-HR 0000902664-25-002382 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 49,186 shares
    Change vs previous 13F -322,397 shares

    0.03% of the 13F portfolio, value $3,184,794.

    13F-HR 0000902664-25-001008 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 371,583 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $16,799,267.

    13F-HR 0000902664-24-006581 filed by TUDOR INVESTMENT CORP ET AL
    Filed (acceptance time not in the bulk data set), ingested

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