Skip to content
Disclosery

Janus Henderson: DYN position timeline

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

Janus Henderson held 11,997,738 DYN 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 11,997,738 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.11% of the 13F portfolio, value $266,634,150.

    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 13,647,376 shares
    Change vs previous 13F -240,346 shares

    0.12% of the 13F portfolio, value $247,426,927.

    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 13,887,722 shares
    Change vs previous 13F -857,783 shares

    0.12% of the 13F portfolio, value $271,603,659.

    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 14,745,505 shares
    Change vs previous 13F +5,307,543 shares

    0.09% of the 13F portfolio, value $186,489,080.

    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 9,437,962 shares
    Change vs previous 13F -915,454 shares

    0.04% of the 13F portfolio, value $89,875,125.

    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 10,353,416 shares
    Change vs previous 13F +2,974,107 shares

    0.06% of the 13F portfolio, value $118,465,941.

    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 7,379,309 shares
    Change vs previous 13F +566,146 shares

    0.09% of the 13F portfolio, value $173,807,935.

    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 6,813,163 shares
    Change vs previous 13F not available

    0.13% of the 13F portfolio, value $244,755,389.

    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).