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RENAISSANCE TECHNOLOGIES LLC: AMKR position timeline

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

RENAISSANCE TECHNOLOGIES LLC held 580,600 AMKR shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 580,600 shares
    Change vs previous 13F +580,600 shares

    0.07% of the 13F portfolio, value $50,065,138.

    13F-HR 0001037389-26-000059 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -343,000 shares

    13F-HR 0001037389-26-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    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.

  3. period ended2025-09-30
    13F 343,000 shares
    Change vs previous 13F -782,100 shares

    0.01% of the 13F portfolio, value $9,741,200.

    13F-HR 0001037389-25-000064 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 1,125,100 shares
    Change vs previous 13F -244,600 shares

    0.03% of the 13F portfolio, value $23,615,849.

    13F-HR 0001037389-25-000034 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 1,369,700 shares
    Change vs previous 13F +998,000 shares

    0.04% of the 13F portfolio, value $24,736,782.

    13F-HR 0001037389-25-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    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 371,700 shares
    Change vs previous 13F +371,700 shares

    0.01% of the 13F portfolio, value $9,548,973.

    13F-HR 0001037389-25-000009 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    13F-HR 0001037389-24-000091 filed by RENAISSANCE TECHNOLOGIES LLC
    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.