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Disclosery

PICTON MAHONEY ASSET MANAGEMENT: ACMR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of PICTON MAHONEY ASSET MANAGEMENT on ACMR, newest first. How the timeline and the estimate are built.

PICTON MAHONEY ASSET MANAGEMENT held 0 ACMR shares at 2025-12-31 per its 13F-HR filed 2026-02-11.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -20,542 shares

    13F-HR 0001539041-26-000005 filed by PICTON MAHONEY ASSET MANAGEMENT
    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 ended2025-09-30
    13F 20,542 shares
    Change vs previous 13F +20,542 shares

    0.01% of the 13F portfolio, value $804,000.

    13F-HR 0001539041-25-000062 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -12,334 shares

    13F-HR 0001539041-25-000036 filed by PICTON MAHONEY ASSET MANAGEMENT
    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.

  4. period ended2025-03-31
    13F 12,334 shares
    Change vs previous 13F +9,230 shares

    0.01% of the 13F portfolio, value $288,000.

    13F-HR 0001539041-25-000015 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F/A 3,104 shares
    Change vs previous 13F +1,236 shares

    <0.01% of the 13F portfolio, value $47,000.

    13F-HR/A 0001539041-25-000006 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 1,868 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $39,000.

    13F-HR 0001539041-24-000012 filed by PICTON MAHONEY ASSET MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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