Janus Henderson: MTSI position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on MTSI, newest first. How the timeline and the estimate are built.
Janus Henderson held 674,790 MTSI shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 674,790 sharesShare basis changed not comparable
Membership change: Jupiter Topco LLC joined the group. 0.1% of the 13F portfolio, value $256,611,993.
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 784,118 sharesChange vs previous 13F +105,032 shares
0.08% of the 13F portfolio, value $174,109,136.
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 679,086 sharesChange vs previous 13F +224,306 shares
0.05% of the 13F portfolio, value $116,315,516.
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 454,780 sharesChange vs previous 13F -7,642 shares
0.03% of the 13F portfolio, value $56,616,368.
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 462,422 sharesChange vs previous 13F +6,321 shares
0.03% of the 13F portfolio, value $66,258,300.
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 456,101 sharesChange vs previous 13F +8,298 shares
0.02% of the 13F portfolio, value $44,911,998.
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 447,803 sharesChange vs previous 13F -209,461 shares
0.03% of the 13F portfolio, value $58,175,834.
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 657,264 sharesChange vs previous 13F not available
0.04% of the 13F portfolio, value $73,128,267.
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).