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Disclosery

TCW GROUP INC: MRK position timeline

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

TCW GROUP INC held 845,538 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 845,538 shares
    Change vs previous 13F -16,921 shares

    0.73% of the 13F portfolio, value $108,651,650.

    13F-HR 0000850401-26-000009 filed by TCW GROUP 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 862,459 shares
    Change vs previous 13F +78,642 shares

    0.78% of the 13F portfolio, value $103,745,291.

    13F-HR 0000850401-26-000006 filed by TCW GROUP 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 783,817 shares
    Change vs previous 13F +289,732 shares

    0.59% of the 13F portfolio, value $82,504,579.

    13F-HR 0000850401-26-000002 filed by TCW GROUP 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 494,085 shares
    Change vs previous 13F +255,607 shares

    0.35% of the 13F portfolio, value $41,468,567.

    13F-HR 0000850401-25-000027 filed by TCW GROUP 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 238,478 shares
    Change vs previous 13F +18,290 shares

    0.15% of the 13F portfolio, value $18,877,919.

    13F-HR 0000850401-25-000019 filed by TCW GROUP 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 220,188 shares
    Change vs previous 13F -135,432 shares

    0.18% of the 13F portfolio, value $19,764,075.

    13F-HR 0000850401-25-000013 filed by TCW GROUP 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 355,620 shares
    Change vs previous 13F -94,503 shares

    0.3% of the 13F portfolio, value $35,377,077.

    13F-HR 0000850401-25-000003 filed by TCW GROUP 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/A 450,123 shares
    Change vs previous 13F not available

    0.45% of the 13F portfolio, value $51,115,968.

    13F-HR/A 0000850401-24-000035 filed by TCW GROUP INC
    Filed (acceptance time not in the bulk data set), ingested

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