Janus Henderson: MP position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on MP, newest first. How the timeline and the estimate are built.
Janus Henderson held 63,268 MP shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 63,268 sharesShare basis changed not comparable
Membership change: Jupiter Topco LLC joined the group. <0.01% of the 13F portfolio, value $3,545,855.
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 63,341 sharesChange vs previous 13F +63 shares
<0.01% of the 13F portfolio, value $3,056,520.
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 63,278 sharesChange vs previous 13F +9,114 shares
<0.01% of the 13F portfolio, value $3,194,590.
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 54,164 sharesChange vs previous 13F -54,594 shares
<0.01% of the 13F portfolio, value $3,631,425.
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 108,758 sharesChange vs previous 13F +54,594 shares
<0.01% of the 13F portfolio, value $3,615,399.
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 54,164 sharesChange vs previous 13F -5,000 shares
<0.01% of the 13F portfolio, value $1,407,181.
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 59,164 sharesChange vs previous 13F +16,698 shares
<0.01% of the 13F portfolio, value $922,663.
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 42,466 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $749,737.
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).