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Disclosery

Mattern Wealth Management LLC: MRK position timeline

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

Mattern Wealth Management LLC held 6,274 MRK shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,274 shares
    Change vs previous 13F +341 shares

    0.13% of the 13F portfolio, value $806,267.

    13F-HR 0001725547-26-000247 filed by Mattern Wealth Management 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 5,933 shares
    Change vs previous 13F -100 shares

    0.14% of the 13F portfolio, value $713,735.

    13F-HR 0001725547-26-000157 filed by Mattern Wealth Management 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 6,033 shares
    Change vs previous 13F +100 shares

    0.12% of the 13F portfolio, value $635,081.

    13F-HR 0001725547-26-000031 filed by Mattern Wealth Management 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 5,933 shares
    Change vs previous 13F -1,600 shares

    0.1% of the 13F portfolio, value $497,995.

    13F-HR 0001725547-25-004127 filed by Mattern Wealth Management 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 7,533 shares
    Change vs previous 13F -50 shares

    0.12% of the 13F portfolio, value $596,348.

    13F-HR 0001725547-25-003471 filed by Mattern Wealth Management 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 7,583 shares
    Change vs previous 13F +244 shares

    0.15% of the 13F portfolio, value $680,691.

    13F-HR 0001725547-25-001445 filed by Mattern Wealth Management 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 7,339 shares
    Change vs previous 13F -8,431 shares

    0.16% of the 13F portfolio, value $730,129.

    13F-HR 0001725547-25-000150 filed by Mattern Wealth Management 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 15,770 shares
    Change vs previous 13F not available

    0.39% of the 13F portfolio, value $1,790,893.

    13F-HR 0001725547-24-005962 filed by Mattern Wealth Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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