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Impax Asset Management Group plc: MRK position timeline

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

Impax Asset Management Group plc held 204,194 MRK shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 204,194 shares
    Change vs previous 13F +53,257 shares

    0.17% of the 13F portfolio, value $26,238,929.

    13F-HR 0001749768-26-000004 filed by Impax Asset Management Group plc
    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 150,937 shares
    Change vs previous 13F +42,387 shares

    0.13% of the 13F portfolio, value $18,156,212.

    13F-HR 0001749768-26-000002 filed by Impax Asset Management Group plc
    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 108,550 shares
    Change vs previous 13F -35,415 shares

    0.07% of the 13F portfolio, value $11,425,973.

    13F-HR 0001749768-26-000001 filed by Impax Asset Management Group plc
    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 143,965 shares
    Change vs previous 13F -3,106 shares

    0.07% of the 13F portfolio, value $12,082,982.

    13F-HR 0001749768-25-000052 filed by Impax Asset Management Group plc
    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 147,071 shares
    Change vs previous 13F -252,213 shares

    0.07% of the 13F portfolio, value $11,642,140.

    13F-HR 0001749768-25-000049 filed by Impax Asset Management Group plc
    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 399,284 shares
    Change vs previous 13F -46,275 shares

    0.22% of the 13F portfolio, value $35,839,732.

    13F-HR 0001749768-25-000042 filed by Impax Asset Management Group plc
    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 445,559 shares
    Change vs previous 13F -126,222 shares

    0.2% of the 13F portfolio, value $44,324,209.

    13F-HR 0001749768-25-000039 filed by Impax Asset Management Group plc
    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 571,781 shares
    Change vs previous 13F not available

    0.26% of the 13F portfolio, value $64,931,450.

    13F-HR/A 0001749768-24-000024 filed by Impax Asset Management Group plc
    Filed (acceptance time not in the bulk data set), ingested

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