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CONTRAVISORY INVESTMENT MANAGEMENT, INC.: MRK position timeline

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

CONTRAVISORY INVESTMENT MANAGEMENT, INC. held 78,101 MRK 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 78,101 shares
    Change vs previous 13F +1,458 shares

    2.06% of the 13F portfolio, value $11,348,856.

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

  2. period ended2026-06-30
    13F 76,643 shares
    Change vs previous 13F -655 shares

    1.74% of the 13F portfolio, value $9,848,626.

    13F-HR 0001580642-26-004344 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).

  3. period ended2026-03-31
    13F 77,298 shares
    Change vs previous 13F +6,385 shares

    1.91% of the 13F portfolio, value $9,298,176.

    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).

  4. period ended2025-12-31
    13F 70,913 shares
    Change vs previous 13F +70,550 shares

    1.48% of the 13F portfolio, value $7,464,302.

    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).

  5. period ended2025-09-30
    13F 363 shares
    Change vs previous 13F -320 shares

    0.01% of the 13F portfolio, value $30,467.

    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).

  6. period ended2025-06-30
    13F 683 shares
    Change vs previous 13F -400 shares

    0.01% of the 13F portfolio, value $54,066.

    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).

  7. period ended2025-03-31
    13F 1,083 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $97,210.

    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).