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Disclosery

Round Rock Advisors LLC: MRK position timeline

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

Round Rock Advisors LLC held 9,901 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,901 shares
    Change vs previous 13F +66 shares

    0.16% of the 13F portfolio, value $1,272,318.

    13F-HR 0001951757-26-001257 filed by Round Rock Advisors LLC
    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 9,835 shares
    Change vs previous 13F +256 shares

    0.18% of the 13F portfolio, value $1,183,048.

    13F-HR 0001951757-26-000878 filed by Round Rock 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/A 9,579 shares
    Change vs previous 13F -21 shares

    0.15% of the 13F portfolio, value $1,008,297.

    13F-HR/A 0001951757-26-000520 filed by Round Rock 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 9,600 shares
    Change vs previous 13F -16 shares

    0.13% of the 13F portfolio, value $805,696.

    13F-HR 0001951757-25-001443 filed by Round Rock 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 9,616 shares
    Change vs previous 13F +89 shares

    0.13% of the 13F portfolio, value $761,191.

    13F-HR 0001951757-25-001039 filed by Round Rock 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 9,527 shares
    Change vs previous 13F +117 shares

    0.16% of the 13F portfolio, value $855,154.

    13F-HR 0001951757-25-000487 filed by Round Rock 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 9,410 shares
    Change vs previous 13F +96 shares

    0.19% of the 13F portfolio, value $936,139.

    13F-HR 0001951757-25-000115 filed by Round Rock 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 9,314 shares
    Change vs previous 13F not available

    0.25% of the 13F portfolio, value $1,057,725.

    13F-HR 0001951757-24-001162 filed by Round Rock Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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