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Disclosery

Janus Henderson: COST position timeline

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

Janus Henderson held 404,467 COST 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 404,467 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.15% of the 13F portfolio, value $378,361,380.

    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 388,793 shares
    Change vs previous 13F +2,630 shares

    0.18% of the 13F portfolio, value $387,400,086.

    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 386,163 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $332,998,499.

    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 386,163 shares
    Change vs previous 13F -4,553 shares

    0.16% of the 13F portfolio, value $357,441,104.

    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 390,716 shares
    Change vs previous 13F -17,833 shares

    0.19% of the 13F portfolio, value $386,769,065.

    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 408,549 shares
    Change vs previous 13F -9,272 shares

    0.21% of the 13F portfolio, value $379,826,834.

    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 417,821 shares
    Change vs previous 13F -952 shares

    0.19% of the 13F portfolio, value $382,848,189.

    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 418,773 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $371,237,704.

    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).