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Disclosery

Janus Henderson: ON position timeline

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

Janus Henderson held 13,427,527 ON 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 13,427,527 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.52% of the 13F portfolio, value $1,269,473,567.

    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 13,700,884 shares
    Change vs previous 13F +1,345,894 shares

    0.41% of the 13F portfolio, value $848,392,500.

    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 12,354,990 shares
    Change vs previous 13F -2,847,757 shares

    0.3% of the 13F portfolio, value $669,023,602.

    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 15,202,747 shares
    Change vs previous 13F -480,175 shares

    0.34% of the 13F portfolio, value $749,645,449.

    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 15,682,922 shares
    Change vs previous 13F +2,634,575 shares

    0.4% of the 13F portfolio, value $821,941,942.

    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 13,048,347 shares
    Change vs previous 13F +671,083 shares

    0.29% of the 13F portfolio, value $534,199,779.

    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 12,377,264 shares
    Change vs previous 13F +1,041,989 shares

    0.4% of the 13F portfolio, value $780,386,950.

    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 11,335,275 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $823,056,599.

    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).