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ALLIANCEBERNSTEIN L.P.: AMKR position timeline

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

ALLIANCEBERNSTEIN L.P. held 145,189 AMKR 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 145,189 shares
    Change vs previous 13F -205,117 shares

    <0.01% of the 13F portfolio, value $6,537,861.

    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 350,306 shares
    Change vs previous 13F -40,234 shares

    <0.01% of the 13F portfolio, value $13,830,081.

    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 390,540 shares
    Change vs previous 13F +95,804 shares

    <0.01% of the 13F portfolio, value $15,418,519.

    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 294,736 shares
    Change vs previous 13F +27,112 shares

    <0.01% of the 13F portfolio, value $8,370,502.

    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 267,624 shares
    Change vs previous 13F -2,957,959 shares

    <0.01% of the 13F portfolio, value $5,617,428.

    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 3,225,583 shares
    Change vs previous 13F -855,898 shares

    0.02% of the 13F portfolio, value $58,254,029.

    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 4,081,481 shares
    Change vs previous 13F +556,761 shares

    0.04% of the 13F portfolio, value $104,853,247.

    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 3,524,720 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $107,856,432.

    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).