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Disclosery

Janus Henderson: MCK position timeline

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

Janus Henderson held 459,652 MCK 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 459,652 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.14% of the 13F portfolio, value $347,109,749.

    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 628,945 shares
    Change vs previous 13F -89,115 shares

    0.26% of the 13F portfolio, value $544,225,633.

    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 718,060 shares
    Change vs previous 13F -16,628 shares

    0.26% of the 13F portfolio, value $589,063,532.

    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 734,688 shares
    Change vs previous 13F -6,941 shares

    0.26% of the 13F portfolio, value $567,641,386.

    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 741,629 shares
    Change vs previous 13F +39,289 shares

    0.27% of the 13F portfolio, value $543,373,746.

    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 702,340 shares
    Change vs previous 13F +89,892 shares

    0.26% of the 13F portfolio, value $469,142,741.

    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 612,448 shares
    Change vs previous 13F +38,008 shares

    0.18% of the 13F portfolio, value $348,947,769.

    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 574,440 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $283,903,393.

    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).