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Impax Asset Management Group plc: CLH position timeline

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

Impax Asset Management Group plc held 61,651 CLH 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 61,651 shares
    Change vs previous 13F -61,335 shares

    0.12% of the 13F portfolio, value $18,418,236.

    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 122,986 shares
    Change vs previous 13F -25,619 shares

    0.25% of the 13F portfolio, value $35,263,776.

    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 148,605 shares
    Change vs previous 13F -103,536 shares

    0.22% of the 13F portfolio, value $34,844,900.

    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 252,141 shares
    Change vs previous 13F -104,114 shares

    0.34% of the 13F portfolio, value $57,689,950.

    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 356,255 shares
    Change vs previous 13F -126,998 shares

    0.47% of the 13F portfolio, value $81,254,222.

    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 483,253 shares
    Change vs previous 13F +48,447 shares

    0.57% of the 13F portfolio, value $94,001,720.

    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 434,806 shares
    Change vs previous 13F -5,171 shares

    0.45% of the 13F portfolio, value $98,841,448.

    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 439,977 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $105,097,683.

    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).