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Impax Asset Management Group plc: AOS position timeline

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

Impax Asset Management Group plc held 2,813,713 AOS 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 2,813,713 shares
    Change vs previous 13F -1,464,506 shares

    1.15% of the 13F portfolio, value $176,476,079.

    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 4,278,219 shares
    Change vs previous 13F -371,325 shares

    1.97% of the 13F portfolio, value $282,105,751.

    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 4,649,544 shares
    Change vs previous 13F -200,614 shares

    1.95% of the 13F portfolio, value $310,961,530.

    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 4,850,158 shares
    Change vs previous 13F +157,856 shares

    2.08% of the 13F portfolio, value $356,050,147.

    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 4,692,302 shares
    Change vs previous 13F -496,259 shares

    1.77% of the 13F portfolio, value $307,674,237.

    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 5,188,561 shares
    Change vs previous 13F +2,086,433 shares

    2.04% of the 13F portfolio, value $339,124,373.

    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 3,102,128 shares
    Change vs previous 13F -31,472 shares

    0.96% of the 13F portfolio, value $211,596,151.

    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 3,133,600 shares
    Change vs previous 13F not available

    1.11% of the 13F portfolio, value $281,491,288.

    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).