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Impax Asset Management Group plc: WTS position timeline

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

Impax Asset Management Group plc held 543,412 WTS 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 543,412 shares
    Change vs previous 13F -44,610 shares

    1.38% of the 13F portfolio, value $212,718,627.

    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 588,022 shares
    Change vs previous 13F -59,851 shares

    1.19% of the 13F portfolio, value $170,696,906.

    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 647,873 shares
    Change vs previous 13F -97,749 shares

    1.12% of the 13F portfolio, value $178,825,905.

    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 745,622 shares
    Change vs previous 13F -132,174 shares

    1.21% of the 13F portfolio, value $207,490,517.

    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 877,796 shares
    Change vs previous 13F -231,737 shares

    1.24% of the 13F portfolio, value $215,123,997.

    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 1,109,533 shares
    Change vs previous 13F -148,741 shares

    1.36% of the 13F portfolio, value $225,552,241.

    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 1,258,274 shares
    Change vs previous 13F -233,702 shares

    1.16% of the 13F portfolio, value $255,117,104.

    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 1,491,976 shares
    Change vs previous 13F not available

    1.21% of the 13F portfolio, value $308,439,609.

    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).