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Disclosery

Aufman Associates Inc: MRK position timeline

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

Aufman Associates Inc held 2,990 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 2,990 shares
    Change vs previous 13F -685 shares

    0.15% of the 13F portfolio, value $384,215.

    13F-HR 0001801573-26-000003 filed by Aufman Associates 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 3,675 shares
    Change vs previous 13F -29 shares

    0.22% of the 13F portfolio, value $442,066.

    13F-HR 0001801573-26-000002 filed by Aufman Associates 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 3,704 shares
    Change vs previous 13F -29 shares

    0.2% of the 13F portfolio, value $389,883.

    13F-HR 0001801573-26-000001 filed by Aufman Associates 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 3,733 shares
    Change vs previous 13F +29 shares

    0.18% of the 13F portfolio, value $313,311.

    13F-HR 0001801573-25-000007 filed by Aufman Associates 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 3,704 shares
    Change vs previous 13F +100 shares

    0.18% of the 13F portfolio, value $293,209.

    13F-HR 0001801573-25-000004 filed by Aufman Associates 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 3,604 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $323,495.

    13F-HR 0001801573-25-000002 filed by Aufman Associates 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 3,604 shares
    Change vs previous 13F -464 shares

    0.24% of the 13F portfolio, value $358,526.

    13F-HR 0001801573-25-000001 filed by Aufman Associates 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 4,068 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $461,962.

    13F-HR 0001801573-24-000005 filed by Aufman Associates Inc
    Filed (acceptance time not in the bulk data set), ingested

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