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PENNINGTON PARTNERS & CO., LLC: MRK position timeline

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

PENNINGTON PARTNERS & CO., LLC held 2,745 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,745 shares
    Change vs previous 13F +117 shares

    0.11% of the 13F portfolio, value $355,100.

    13F-HR 0001104659-26-096894 filed by PENNINGTON PARTNERS & CO., 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 2,628 shares
    Change vs previous 13F +270 shares

    0.11% of the 13F portfolio, value $318,406.

    13F-HR 0001104659-26-061028 filed by PENNINGTON PARTNERS & CO., 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 2,358 shares
    Change vs previous 13F +2,358 shares

    0.1% of the 13F portfolio, value $250,225.

    13F-HR 0001104659-26-016520 filed by PENNINGTON PARTNERS & CO., LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -2,511 shares

    13F-HR 0001420506-25-001995 filed by PENNINGTON PARTNERS & CO., LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2025-03-31
    13F 2,511 shares
    Change vs previous 13F -932 shares

    0.13% of the 13F portfolio, value $227,376.

    13F-HR 0001420506-25-001055 filed by PENNINGTON PARTNERS & CO., LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 3,443 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $344,800.

    13F-HR 0001420506-25-000619 filed by PENNINGTON PARTNERS & CO., LLC
    Filed (acceptance time not in the bulk data set), ingested

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