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Disclosery

First Dallas Securities Inc.: MRK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of First Dallas Securities Inc. on MRK, newest first. How the timeline and the estimate are built.

First Dallas Securities Inc. held 11,944 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,944 shares
    Change vs previous 13F +1,214 shares

    0.51% of the 13F portfolio, value $1,534,804.

    13F-HR 0001378559-26-000005 filed by First Dallas Securities Inc.
    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 10,730 shares
    Change vs previous 13F +59 shares

    0.48% of the 13F portfolio, value $1,290,701.

    13F-HR 0001378559-26-000004 filed by First Dallas Securities Inc.
    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 10,671 shares
    Change vs previous 13F +162 shares

    0.42% of the 13F portfolio, value $1,123,179.

    13F-HR 0001378559-26-000001 filed by First Dallas Securities 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 10,509 shares
    Change vs previous 13F -1,418 shares

    0.33% of the 13F portfolio, value $882,010.

    13F-HR 0001378559-25-000006 filed by First Dallas Securities 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 11,927 shares
    Change vs previous 13F -8,737 shares

    0.37% of the 13F portfolio, value $944,149.

    13F-HR 0001337263-25-000006 filed by First Dallas Securities 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 20,664 shares
    Change vs previous 13F -672 shares

    0.78% of the 13F portfolio, value $1,855,000.

    13F-HR 0001378559-25-000001 filed by First Dallas Securities 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 21,336 shares
    Change vs previous 13F -3,895 shares

    0.86% of the 13F portfolio, value $2,122,000.

    13F-HR 0001337263-25-000002 filed by First Dallas Securities Inc.
    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 25,231 shares
    Change vs previous 13F not available

    1.2% of the 13F portfolio, value $2,865,178.

    13F-HR 0001337263-24-000010 filed by First Dallas Securities Inc.
    Filed (acceptance time not in the bulk data set), ingested

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