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Disclosery

Janus Henderson: REGN position timeline

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

Janus Henderson held 144,821 REGN 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 144,821 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.04% of the 13F portfolio, value $90,309,901.

    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 209,248 shares
    Change vs previous 13F +3,576 shares

    0.08% of the 13F portfolio, value $161,636,574.

    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 205,672 shares
    Change vs previous 13F +131,929 shares

    0.07% of the 13F portfolio, value $158,790,558.

    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 73,743 shares
    Change vs previous 13F +60,655 shares

    0.02% of the 13F portfolio, value $41,479,697.

    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 13,088 shares
    Change vs previous 13F -465 shares

    <0.01% of the 13F portfolio, value $6,867,080.

    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 13,553 shares
    Change vs previous 13F +80 shares

    <0.01% of the 13F portfolio, value $8,643,968.

    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 13,473 shares
    Change vs previous 13F -84,661 shares

    <0.01% of the 13F portfolio, value $9,599,243.

    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 98,134 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $103,180,486.

    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).