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Impax Asset Management Group plc: WAB position timeline

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

Impax Asset Management Group plc held 558,757 WAB 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 558,757 shares
    Change vs previous 13F +240,407 shares

    0.98% of the 13F portfolio, value $150,640,917.

    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 318,350 shares
    Change vs previous 13F +111,961 shares

    0.55% of the 13F portfolio, value $79,558,849.

    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 206,389 shares
    Change vs previous 13F +199,656 shares

    0.28% of the 13F portfolio, value $44,053,732.

    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 6,733 shares
    Change vs previous 13F +4,210 shares

    0.01% of the 13F portfolio, value $1,349,765.

    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 2,523 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $528,190.

    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).