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Disclosery

PICTON MAHONEY ASSET MANAGEMENT: ONTO position timeline

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

PICTON MAHONEY ASSET MANAGEMENT held 33,285 ONTO 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 33,285 shares
    Change vs previous 13F +11,105 shares

    0.12% of the 13F portfolio, value $12,596,712.

    13F-HR 0001539041-26-000020 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).

  2. period ended2026-03-31
    13F 22,180 shares
    Change vs previous 13F +22,180 shares

    0.05% of the 13F portfolio, value $4,548,453.

    13F-HR 0001539041-26-000013 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 -324 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 324 shares
    Change vs previous 13F -49,731 shares

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

    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 50,055 shares
    Change vs previous 13F +4,639 shares

    0.32% of the 13F portfolio, value $8,344,000.

    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 45,416 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $9,426,000.

    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).