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Disclosery

UG Investment Advisers Ltd.: AMKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of UG Investment Advisers Ltd. on AMKR, newest first. How the timeline and the estimate are built.

UG Investment Advisers Ltd. held 0 AMKR shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 0 shares
    Change vs previous 13F -39,326 shares

    13F-HR 0001697814-26-000008 filed by UG Investment Advisers Ltd.
    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.

  2. period ended2026-03-31
    13F 39,326 shares
    Change vs previous 13F -31,663 shares

    1.2% of the 13F portfolio, value $1,770,849.

    13F-HR 0001697814-26-000005 filed by UG Investment Advisers Ltd.
    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 70,989 shares
    Change vs previous 13F -106,276 shares

    0.65% of the 13F portfolio, value $2,802,645.

    13F-HR 0001697814-26-000002 filed by UG Investment Advisers Ltd.
    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 177,265 shares
    Change vs previous 13F -932,216 shares

    0.79% of the 13F portfolio, value $5,034,326.

    13F-HR 0001697814-25-000015 filed by UG Investment Advisers Ltd.
    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 1,109,481 shares
    Change vs previous 13F -56,442 shares

    4.45% of the 13F portfolio, value $23,288,006.

    13F-HR 0001697814-25-000008 filed by UG Investment Advisers Ltd.
    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 1,165,923 shares
    Change vs previous 13F not available

    5.77% of the 13F portfolio, value $21,056,569.

    13F-HR 0001697814-25-000006 filed by UG Investment Advisers Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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