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Janus Henderson: GM position timeline

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

Janus Henderson held 341,668 GM 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 341,668 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.01% of the 13F portfolio, value $26,330,645.

    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 346,850 shares
    Change vs previous 13F -9,078 shares

    0.01% of the 13F portfolio, value $25,842,059.

    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 355,928 shares
    Change vs previous 13F +2,159 shares

    0.01% of the 13F portfolio, value $28,949,402.

    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 353,769 shares
    Change vs previous 13F -14,717 shares

    0.01% of the 13F portfolio, value $21,563,991.

    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 368,486 shares
    Change vs previous 13F -13,063 shares

    0.01% of the 13F portfolio, value $18,127,669.

    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 381,549 shares
    Change vs previous 13F -3,292 shares

    0.01% of the 13F portfolio, value $17,812,615.

    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 384,841 shares
    Change vs previous 13F -8,281 shares

    0.01% of the 13F portfolio, value $20,502,404.

    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 393,122 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $17,625,625.

    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).