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Disclosery

Janus Henderson: MA position timeline

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

Janus Henderson held 3,981,858 MA 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 3,981,858 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.83% of the 13F portfolio, value $2,044,984,622.

    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 4,568,710 shares
    Change vs previous 13F -692,259 shares

    1.09% of the 13F portfolio, value $2,272,686,247.

    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 5,260,969 shares
    Change vs previous 13F -997,057 shares

    1.34% of the 13F portfolio, value $2,985,314,064.

    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 6,258,026 shares
    Change vs previous 13F +25,346 shares

    1.63% of the 13F portfolio, value $3,559,489,488.

    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 6,232,680 shares
    Change vs previous 13F -557,240 shares

    1.72% of the 13F portfolio, value $3,502,194,616.

    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 6,789,920 shares
    Change vs previous 13F -67,730 shares

    2.01% of the 13F portfolio, value $3,671,110,414.

    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 6,857,650 shares
    Change vs previous 13F -337,185 shares

    1.84% of the 13F portfolio, value $3,611,437,324.

    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 7,194,835 shares
    Change vs previous 13F not available

    1.82% of the 13F portfolio, value $3,552,723,114.

    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).