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TANDEM CAPITAL MANAGEMENT CORP /ADV: BSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TANDEM CAPITAL MANAGEMENT CORP /ADV on BSX, newest first. How the timeline and the estimate are built.

TANDEM CAPITAL MANAGEMENT CORP /ADV held 40,972 BSX shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 40,972 shares
    Change vs previous 13F -10,198 shares

    0.74% of the 13F portfolio, value $1,748,685.

    13F-HR 0000873759-26-000003 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 51,170 shares
    Change vs previous 13F -1,520 shares

    1.61% of the 13F portfolio, value $3,210,918.

    13F-HR 0000873759-26-000002 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 52,690 shares
    Change vs previous 13F -70 shares

    2.29% of the 13F portfolio, value $5,023,992.

    13F-HR 0000873759-26-000001 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 52,760 shares
    Change vs previous 13F -284 shares

    2.4% of the 13F portfolio, value $5,150,959.

    13F-HR 0000873759-25-000006 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 53,044 shares
    Change vs previous 13F -660 shares

    2.88% of the 13F portfolio, value $5,697,456.

    13F-HR 0000873759-25-000004 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 53,704 shares
    Change vs previous 13F -842 shares

    3.03% of the 13F portfolio, value $5,417,660.

    13F-HR 0000873759-25-000002 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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 54,546 shares
    Change vs previous 13F -605 shares

    2.61% of the 13F portfolio, value $4,872,049.

    13F-HR 0000873759-25-000001 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    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/A 55,151 shares
    Change vs previous 13F not available

    2.43% of the 13F portfolio, value $4,621,654.

    13F-HR/A 0000873759-24-000007 filed by TANDEM CAPITAL MANAGEMENT CORP /ADV
    Filed (acceptance time not in the bulk data set), ingested

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