Impax Asset Management Group plc: WM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Impax Asset Management Group plc on WM, newest first. How the timeline and the estimate are built.
Impax Asset Management Group plc held 115,257 WM shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 115,257 sharesChange vs previous 13F -1,650 shares
0.17% of the 13F portfolio, value $25,688,483.
13F-HR 0001749768-26-000004 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 116,907 sharesChange vs previous 13F -892,173 shares
0.19% of the 13F portfolio, value $26,864,077.
13F-HR 0001749768-26-000002 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 1,009,080 sharesChange vs previous 13F -107,998 shares
1.39% of the 13F portfolio, value $221,705,119.
13F-HR 0001749768-26-000001 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 1,117,078 sharesChange vs previous 13F +4,557 shares
1.44% of the 13F portfolio, value $246,684,329.
13F-HR 0001749768-25-000052 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 1,112,521 sharesChange vs previous 13F -398,200 shares
1.46% of the 13F portfolio, value $254,566,991.
13F-HR 0001749768-25-000049 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 1,510,721 sharesChange vs previous 13F -122,609 shares
2.11% of the 13F portfolio, value $349,747,070.
13F-HR 0001749768-25-000042 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 1,633,330 sharesChange vs previous 13F -107,760 shares
1.49% of the 13F portfolio, value $329,589,661.
13F-HR 0001749768-25-000039 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F/A 1,741,090 sharesChange vs previous 13F not available
1.42% of the 13F portfolio, value $361,450,284.
13F-HR/A 0001749768-24-000024 filed by Impax Asset Management Group plc
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).