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GREAT LAKES ADVISORS, LLC: BSX position timeline

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

GREAT LAKES ADVISORS, LLC held 279,760 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 279,760 shares
    Change vs previous 13F -1,599,012 shares

    0.09% of the 13F portfolio, value $11,940,185.

    13F-HR 0001078013-26-000004 filed by GREAT LAKES ADVISORS, 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 1,878,772 shares
    Change vs previous 13F +101,996 shares

    0.98% of the 13F portfolio, value $117,893,154.

    13F-HR 0001078013-26-000003 filed by GREAT LAKES ADVISORS, 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 1,776,776 shares
    Change vs previous 13F -57,625 shares

    1.38% of the 13F portfolio, value $169,415,829.

    13F-HR 0001078013-26-000002 filed by GREAT LAKES ADVISORS, 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 1,834,401 shares
    Change vs previous 13F -25,464 shares

    1.49% of the 13F portfolio, value $179,092,859.

    13F-HR 0001078013-25-000008 filed by GREAT LAKES ADVISORS, 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 1,859,865 shares
    Change vs previous 13F -208,338 shares

    1.67% of the 13F portfolio, value $199,768,471.

    13F-HR 0001078013-25-000005 filed by GREAT LAKES ADVISORS, 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 2,068,203 shares
    Change vs previous 13F -143,586 shares

    1.87% of the 13F portfolio, value $208,795,507.

    13F-HR 0001078013-25-000004 filed by GREAT LAKES ADVISORS, 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 2,211,789 shares
    Change vs previous 13F -65,630 shares

    1.69% of the 13F portfolio, value $197,557,032.

    13F-HR 0001078013-25-000002 filed by GREAT LAKES ADVISORS, 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 2,277,419 shares
    Change vs previous 13F not available

    1.6% of the 13F portfolio, value $190,847,693.

    13F-HR 0001078013-24-000006 filed by GREAT LAKES ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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