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Disclosery

PARTHENON LLC: BSX position timeline

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

PARTHENON LLC held 10,509 BSX shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 10,509 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $448,524.

    13F-HR 0001088859-26-000004 filed by PARTHENON LLC
    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 10,509 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $659,440.

    13F-HR 0001088859-26-000002 filed by PARTHENON LLC
    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 10,509 shares
    Change vs previous 13F 0 shares

    0.11% of the 13F portfolio, value $1,002,033.

    13F-HR 0001088859-26-000001 filed by PARTHENON LLC
    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 10,509 shares
    Change vs previous 13F -2,624 shares

    0.11% of the 13F portfolio, value $1,025,994.

    13F-HR 0001088859-25-000003 filed by PARTHENON LLC
    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 13,133 shares
    Change vs previous 13F 0 shares

    0.16% of the 13F portfolio, value $1,410,616.

    13F-HR 0001085146-25-004248 filed by PARTHENON LLC
    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 13,133 shares
    Change vs previous 13F 0 shares

    0.16% of the 13F portfolio, value $1,324,857.

    13F-HR 0001085146-25-002554 filed by PARTHENON LLC
    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 13,133 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $1,173,040.

    13F-HR 0001085146-25-000674 filed by PARTHENON LLC
    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 13,133 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $1,100,545.

    13F-HR 0001085146-24-005366 filed by PARTHENON LLC
    Filed (acceptance time not in the bulk data set), ingested

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