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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

  1. period ended2026-06-30
    13F 674,790 shares
    Share 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F/A 784,118 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 679,086 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 454,780 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 462,422 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 456,101 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 447,803 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 657,264 shares
    Change 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), ingested

    Acceptance time not in the bulk data set (spec §4.2).