Skip to content
Disclosery

Janus Henderson: MU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on MU, newest first. How the timeline and the estimate are built.

Janus Henderson held 3,055,874 MU 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 3,055,874 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 1.44% of the 13F portfolio, value $3,525,281,144.

    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 3,881,507 shares
    Change vs previous 13F +634,689 shares

    0.63% of the 13F portfolio, value $1,310,879,503.

    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 3,246,818 shares
    Change vs previous 13F +1,694,681 shares

    0.42% of the 13F portfolio, value $926,636,323.

    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 1,552,137 shares
    Change vs previous 13F -477,467 shares

    0.12% of the 13F portfolio, value $259,773,409.

    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 2,029,604 shares
    Change vs previous 13F -278,536 shares

    0.12% of the 13F portfolio, value $250,026,917.

    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 2,308,140 shares
    Change vs previous 13F -338,796 shares

    0.11% of the 13F portfolio, value $204,143,443.

    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 2,646,936 shares
    Change vs previous 13F +1,130,680 shares

    0.11% of the 13F portfolio, value $222,779,369.

    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 1,516,256 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $157,243,329.

    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).