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Disclosery

Janus Henderson: ZD position timeline

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

Janus Henderson held 3,587,806 ZD 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 3,587,806 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.08% of the 13F portfolio, value $187,893,265.

    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 3,526,329 shares
    Change vs previous 13F +92,496 shares

    0.07% of the 13F portfolio, value $147,963,401.

    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 3,433,833 shares
    Change vs previous 13F -5,260 shares

    0.05% of the 13F portfolio, value $120,699,440.

    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 3,439,093 shares
    Change vs previous 13F -129,818 shares

    0.06% of the 13F portfolio, value $131,029,548.

    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 3,568,911 shares
    Change vs previous 13F +26,941 shares

    0.05% of the 13F portfolio, value $108,030,517.

    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 3,541,970 shares
    Change vs previous 13F +54,475 shares

    0.07% of the 13F portfolio, value $135,125,946.

    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 3,487,495 shares
    Change vs previous 13F +272,895 shares

    0.1% of the 13F portfolio, value $189,511,528.

    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 3,214,600 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $156,422,121.

    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).