Janus Henderson: WST position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on WST, newest first. How the timeline and the estimate are built.
Janus Henderson held 8,172 WST shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 8,172 sharesShare basis changed not comparable
Membership change: Jupiter Topco LLC joined the group. <0.01% of the 13F portfolio, value $2,933,871.
13F-HR 0001085146-26-000611 filed by Jupiter Topco LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F/A 8,172 sharesChange vs previous 13F -1,669 shares
<0.01% of the 13F portfolio, value $2,050,069.
13F-HR/A 0001085146-26-000420 filed by JANUS HENDERSON 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 9,841 sharesChange vs previous 13F +142 shares
<0.01% of the 13F portfolio, value $2,707,603.
13F-HR 0001085146-26-000226 filed by JANUS HENDERSON 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 9,699 sharesChange vs previous 13F -300 shares
<0.01% of the 13F portfolio, value $2,545,939.
13F-HR 0001085146-25-005993 filed by JANUS HENDERSON 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 9,999 sharesChange vs previous 13F -523 shares
<0.01% of the 13F portfolio, value $2,187,082.
13F-HR 0001085146-25-005104 filed by JANUS HENDERSON 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 10,522 sharesChange vs previous 13F +730 shares
<0.01% of the 13F portfolio, value $2,336,147.
13F-HR 0001085146-25-003208 filed by JANUS HENDERSON 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 9,792 sharesChange vs previous 13F -434 shares
<0.01% of the 13F portfolio, value $3,209,181.
13F-HR 0001085146-25-001531 filed by JANUS HENDERSON 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 10,226 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $3,068,925.
13F-HR 0001085146-24-005765 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).