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Disclosery

PICTON MAHONEY ASSET MANAGEMENT: BSX position timeline

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

PICTON MAHONEY ASSET MANAGEMENT held 0 BSX 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 0 shares
    Change vs previous 13F -28,915 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2026-03-31
    13F 28,915 shares
    Change vs previous 13F -340,990 shares

    0.02% of the 13F portfolio, value $1,814,416.

    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 ended2025-12-31
    13F 369,905 shares
    Change vs previous 13F +29,802 shares

    0.39% of the 13F portfolio, value $35,270,442.

    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).

  4. period ended2025-09-30
    13F 340,103 shares
    Change vs previous 13F +7,734 shares

    0.42% of the 13F portfolio, value $33,205,000.

    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).

  5. period ended2025-06-30
    13F 332,369 shares
    Change vs previous 13F +37,904 shares

    0.5% of the 13F portfolio, value $35,700,000.

    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).

  6. period ended2025-03-31
    13F 294,465 shares
    Change vs previous 13F +13,344 shares

    1.02% of the 13F portfolio, value $29,706,000.

    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).

  7. period ended2024-12-31
    13F/A 281,121 shares
    Change vs previous 13F -2,858 shares

    0.95% of the 13F portfolio, value $25,112,000.

    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).

  8. period ended2024-09-30
    13F 283,979 shares
    Change vs previous 13F not available

    0.92% of the 13F portfolio, value $23,798,000.

    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).