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Disclosery

FIRST MANHATTAN CO. LLC.: MRK position timeline

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

FIRST MANHATTAN CO. LLC. held 158,760 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 158,760 shares
    Change vs previous 13F +4,293 shares

    0.05% of the 13F portfolio, value $20,533,438.

    13F-HR 0000728083-26-000007 filed by FIRST MANHATTAN 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 154,467 shares
    Change vs previous 13F -2,110 shares

    0.05% of the 13F portfolio, value $18,711,471.

    13F-HR 0000728083-26-000005 filed by FIRST MANHATTAN 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 156,577 shares
    Change vs previous 13F +13,999 shares

    0.04% of the 13F portfolio, value $16,612,897.

    13F-HR 0000728083-26-000002 filed by FIRST MANHATTAN 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 ended2025-09-30
    13F 142,578 shares
    Change vs previous 13F -5,450 shares

    0.03% of the 13F portfolio, value $12,080,958.

    13F-HR 0000728083-25-000015 filed by FIRST MANHATTAN CO. 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 148,028 shares
    Change vs previous 13F -28,704 shares

    0.03% of the 13F portfolio, value $11,837,777.

    13F-HR 0000728083-25-000010 filed by FIRST MANHATTAN 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 ended2025-03-31
    13F 176,732 shares
    Change vs previous 13F -16,659 shares

    0.05% of the 13F portfolio, value $16,006,133.

    13F-HR 0001750312-25-000007 filed by FIRST MANHATTAN CO. 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 193,391 shares
    Change vs previous 13F -16,728 shares

    0.06% of the 13F portfolio, value $19,473,693.

    13F-HR 0000728083-25-000003 filed by FIRST MANHATTAN CO. 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 210,119 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $24,022,790.

    13F-HR 0001172661-24-004939 filed by FIRST MANHATTAN CO. LLC.
    Filed (acceptance time not in the bulk data set), ingested

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