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Disclosery

Duquesne Family Office LLC: ARM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Duquesne Family Office LLC on ARM, newest first. How the timeline and the estimate are built.

Duquesne Family Office LLC held 28,090 ARM 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 28,090 shares
    Change vs previous 13F -78,610 shares

    0.23% of the 13F portfolio, value $9,960,000.

    13F-HR 0001536411-26-000006 filed by Duquesne Family Office 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 106,700 shares
    Change vs previous 13F +106,700 shares

    0.55% of the 13F portfolio, value $16,142,000.

    13F-HR 0001536411-26-000004 filed by Duquesne Family Office LLC
    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 0 shares
    Change vs previous 13F -167,900 shares

    13F-HR 0001536411-26-000002 filed by Duquesne Family Office LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-09-30
    13F 167,900 shares
    Change vs previous 13F +167,900 shares

    0.6% of the 13F portfolio, value $23,756,000.

    13F-HR 0001536411-25-000017 filed by Duquesne Family Office LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -178,394 shares

    13F-HR 0001536411-25-000008 filed by Duquesne Family Office LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  6. period ended2024-12-31
    13F 178,394 shares
    Change vs previous 13F +156,784 shares

    0.62% of the 13F portfolio, value $22,007,000.

    13F-HR 0001536411-25-000006 filed by Duquesne Family Office LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-09-30
    13F 21,610 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $3,090,000.

    13F-HR 0001536411-24-000009 filed by Duquesne Family Office LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).