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CONTRAVISORY INVESTMENT MANAGEMENT, INC.: BSX position timeline

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

CONTRAVISORY INVESTMENT MANAGEMENT, INC. held 17 BSX shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 17 shares
    Change vs previous 13F +17 shares

    <0.01% of the 13F portfolio, value $742.

    13F-HR 0001580642-26-006868 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
    Accepted , ingested

  2. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -6,268 shares

    13F-HR 0001580642-26-002567 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
    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.

  3. period ended2025-12-31
    13F 6,268 shares
    Change vs previous 13F -242 shares

    0.12% of the 13F portfolio, value $597,654.

    13F-HR 0001580642-26-000220 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
    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 6,510 shares
    Change vs previous 13F +341 shares

    0.12% of the 13F portfolio, value $635,571.

    13F-HR 0001580642-25-006507 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
    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 6,169 shares
    Change vs previous 13F -82 shares

    0.13% of the 13F portfolio, value $662,612.

    13F-HR 0001580642-25-004195 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
    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 6,251 shares
    Change vs previous 13F -538 shares

    0.13% of the 13F portfolio, value $630,601.

    13F-HR 0001580642-25-002299 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
    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 6,789 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $606,393.

    13F-HR 0001580642-25-000297 filed by CONTRAVISORY INVESTMENT MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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