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CONGRESS ASSET MANAGEMENT CO: BSX position timeline

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

CONGRESS ASSET MANAGEMENT CO held 9,446 BSX shares at 2026-09-30 per its 13F-HR filed 2026-10-06.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 9,446 shares
    Change vs previous 13F -801 shares

    <0.01% of the 13F portfolio, value $412,318.

    13F-HR 0000897378-26-000015 filed by CONGRESS ASSET MANAGEMENT CO
    Accepted , ingested

  2. period ended2026-06-30
    13F 10,247 shares
    Change vs previous 13F -1,619,238 shares

    <0.01% of the 13F portfolio, value $437,346.

    13F-HR 0000897378-26-000010 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 1,629,485 shares
    Change vs previous 13F -20,473 shares

    0.73% of the 13F portfolio, value $102,250,186.

    13F-HR 0000897378-26-000005 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 1,649,958 shares
    Change vs previous 13F -34,119 shares

    1.11% of the 13F portfolio, value $157,323,498.

    13F-HR 0000897378-26-000002 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 1,684,077 shares
    Change vs previous 13F -17,493 shares

    1.09% of the 13F portfolio, value $164,416,466.

    13F-HR 0000897378-25-000016 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 1,701,570 shares
    Change vs previous 13F -17,258 shares

    1.25% of the 13F portfolio, value $182,765,586.

    13F-HR 0000897378-25-000005 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 1,718,828 shares
    Change vs previous 13F -3,364 shares

    1.3% of the 13F portfolio, value $173,395,374.

    13F-HR 0000897378-25-000003 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 1,722,192 shares
    Change vs previous 13F not available

    1.04% of the 13F portfolio, value $153,826,194.

    13F-HR 0000897378-25-000001 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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