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MILLENNIUM MANAGEMENT LLC: ALK position timeline

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

MILLENNIUM MANAGEMENT LLC held 1,189,406 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 1,189,406 shares
    Change vs previous 13F +75,904 shares

    0.04% of the 13F portfolio, value $62,086,993.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM 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 1,113,502 shares
    Change vs previous 13F +782,239 shares

    0.03% of the 13F portfolio, value $40,954,604.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM 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 331,263 shares
    Change vs previous 13F -203,722 shares

    0.01% of the 13F portfolio, value $16,662,529.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM 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 534,985 shares
    Change vs previous 13F +96,858 shares

    0.02% of the 13F portfolio, value $26,631,553.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM 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 438,127 shares
    Change vs previous 13F -506,789 shares

    0.02% of the 13F portfolio, value $21,678,524.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM 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 944,916 shares
    Change vs previous 13F -382,675 shares

    0.05% of the 13F portfolio, value $46,508,766.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM 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 1,327,591 shares
    Change vs previous 13F -634,209 shares

    0.07% of the 13F portfolio, value $85,961,517.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM 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 1,961,800 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $88,692,978.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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