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ALLIANCEBERNSTEIN L.P.: ALK position timeline

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

ALLIANCEBERNSTEIN L.P. held 1,418,645 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 1,418,645 shares
    Change vs previous 13F +1,259,979 shares

    0.02% of the 13F portfolio, value $52,177,763.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
    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 158,666 shares
    Change vs previous 13F -4,039 shares

    <0.01% of the 13F portfolio, value $7,980,900.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
    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 162,705 shares
    Change vs previous 13F +12,480 shares

    <0.01% of the 13F portfolio, value $8,184,062.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    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 150,225 shares
    Change vs previous 13F -19,669 shares

    <0.01% of the 13F portfolio, value $7,478,201.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    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 169,894 shares
    Change vs previous 13F -27,277 shares

    <0.01% of the 13F portfolio, value $8,406,355.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    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 197,171 shares
    Change vs previous 13F +109,262 shares

    <0.01% of the 13F portfolio, value $9,704,757.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    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 87,909 shares
    Change vs previous 13F -6,334 shares

    <0.01% of the 13F portfolio, value $5,692,108.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    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 94,243 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,260,726.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

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