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Disclosery

GFS Advisors, LLC: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GFS Advisors, LLC on MRK, newest first. How the timeline and the estimate are built.

GFS Advisors, LLC held 79,011 MRK shares at 2026-06-30 per its 13F-HR/A filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 79,011 shares
    Change vs previous 13F -3 shares

    13F-HR/A 0001427263-26-000007 filed by GFS Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Percent of portfolio not computed: a value is missing or excluded from ratios (H1, H10).

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

  2. period ended2026-03-31
    13F/A 79,014 shares
    Change vs previous 13F -448 shares

    1.21% of the 13F portfolio, value $9,504,594.

    13F-HR/A 0001427263-26-000004 filed by GFS 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 79,462 shares
    Change vs previous 13F -52,355 shares

    0.99% of the 13F portfolio, value $8,364,170.

    13F-HR 0001427263-26-000002 filed by GFS 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 131,817 shares
    Change vs previous 13F +3 shares

    1.41% of the 13F portfolio, value $11,063,401.

    13F-HR 0001427263-25-000009 filed by GFS 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 131,814 shares
    Change vs previous 13F +49,440 shares

    1.43% of the 13F portfolio, value $10,434,000.

    13F-HR 0001427263-25-000008 filed by GFS 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 82,374 shares
    Change vs previous 13F -187 shares

    1.48% of the 13F portfolio, value $7,394,000.

    13F-HR 0001427263-25-000004 filed by GFS 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 82,561 shares
    Change vs previous 13F +1,675 shares

    1.25% of the 13F portfolio, value $8,213,000.

    13F-HR 0001427263-25-000002 filed by GFS 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 80,886 shares
    Change vs previous 13F not available

    1.95% of the 13F portfolio, value $9,185,000.

    13F-HR 0001427263-24-000005 filed by GFS Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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