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Castle Hook Partners LP: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Castle Hook Partners LP on BSX, newest first. How the timeline and the estimate are built.

Castle Hook Partners LP held 0 BSX shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -27,449 shares

    13F-HR 0000902664-26-001080 filed by Castle Hook Partners LP
    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 27,449 shares
    Change vs previous 13F -551,699 shares

    0.04% of the 13F portfolio, value $2,679,846.

    13F-HR 0000902664-25-004959 filed by Castle Hook Partners LP
    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 579,148 shares
    Change vs previous 13F -249,758 shares

    0.91% of the 13F portfolio, value $62,206,287.

    13F-HR 0000902664-25-003586 filed by Castle Hook Partners LP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 828,906 shares
    Change vs previous 13F +66,833 shares

    2.2% of the 13F portfolio, value $83,620,037.

    13F-HR 0000902664-25-002359 filed by Castle Hook Partners LP
    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 762,073 shares
    Change vs previous 13F +453,374 shares

    1.45% of the 13F portfolio, value $68,068,360.

    13F-HR 0000902664-25-000962 filed by Castle Hook Partners LP
    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 308,699 shares
    Change vs previous 13F not available

    0.77% of the 13F portfolio, value $25,868,976.

    13F-HR 0000902664-24-006507 filed by Castle Hook Partners LP
    Filed (acceptance time not in the bulk data set), ingested

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