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Impax Asset Management Group plc: HDB position timeline

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

Impax Asset Management Group plc held 1,223,482 HDB 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 1,223,482 shares
    Change vs previous 13F -51,231 shares

    0.21% of the 13F portfolio, value $31,602,540.

    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 1,274,713 shares
    Change vs previous 13F -420,732 shares

    0.22% of the 13F portfolio, value $31,714,859.

    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 1,695,445 shares
    Change vs previous 13F +8,065 shares

    0.39% of the 13F portfolio, value $61,951,560.

    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 1,687,380 shares
    Change vs previous 13F +735,409 shares

    0.34% of the 13F portfolio, value $57,640,901.

    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 951,971 shares
    Change vs previous 13F -90,027 shares

    0.41% of the 13F portfolio, value $72,066,043.

    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 1,041,998 shares
    Change vs previous 13F -2,098,189 shares

    0.41% of the 13F portfolio, value $68,523,891.

    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 3,140,187 shares
    Change vs previous 13F -736,102 shares

    0.91% of the 13F portfolio, value $199,896,935.

    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 3,876,289 shares
    Change vs previous 13F not available

    0.95% of the 13F portfolio, value $241,869,347.

    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).