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Impax Asset Management Group plc: CNM position timeline

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

Impax Asset Management Group plc held 4,203,618 CNM 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 4,203,618 shares
    Change vs previous 13F +1,352,251 shares

    1.32% of the 13F portfolio, value $202,824,569.

    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 2,851,367 shares
    Change vs previous 13F -21,228 shares

    0.98% of the 13F portfolio, value $140,857,530.

    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 2,872,595 shares
    Change vs previous 13F +279,373 shares

    0.93% of the 13F portfolio, value $149,288,762.

    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 2,593,222 shares
    Change vs previous 13F -614,819 shares

    0.81% of the 13F portfolio, value $139,593,140.

    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 3,208,041 shares
    Change vs previous 13F 0 shares

    1.11% of the 13F portfolio, value $193,605,274.

    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 3,208,041 shares
    Change vs previous 13F -222,746 shares

    0.93% of the 13F portfolio, value $154,980,461.

    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 3,430,787 shares
    Change vs previous 13F +1,416,907 shares

    0.79% of the 13F portfolio, value $174,661,366.

    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 2,013,880 shares
    Change vs previous 13F not available

    0.35% of the 13F portfolio, value $89,416,272.

    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).