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MY.Alpha Management HK Advisors Ltd: ACMR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MY.Alpha Management HK Advisors Ltd on ACMR, newest first. How the timeline and the estimate are built.

MY.Alpha Management HK Advisors Ltd held 249,500 ACMR 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 249,500 shares
    Change vs previous 13F +249,500 shares

    12.19% of the 13F portfolio, value $31,659,055.

    13F-HR 0001910173-26-000007 filed by MY.Alpha Management HK Advisors Ltd
    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 0 shares
    Change vs previous 13F -105,605 shares

    13F-HR 0001910173-26-000006 filed by MY.Alpha Management HK Advisors 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.

  3. period ended2025-12-31
    13F/A 105,605 shares
    Change vs previous 13F -254,632 shares

    2.23% of the 13F portfolio, value $4,166,117.

    13F-HR/A 0001910173-26-000004 filed by MY.Alpha Management HK Advisors 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 360,237 shares
    Change vs previous 13F not available

    9.13% of the 13F portfolio, value $14,096,074.

    13F-HR 0001910173-25-000010 filed by MY.Alpha Management HK Advisors Ltd
    Filed (acceptance time not in the bulk data set), ingested

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