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Disclosery

1832 Asset Management L.P.: ARM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of 1832 Asset Management L.P. on ARM, newest first. How the timeline and the estimate are built.

1832 Asset Management L.P. held 249,400 ARM shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 249,400 shares
    Change vs previous 13F -50,600 shares

    0.11% of the 13F portfolio, value $88,429,758.

    13F-HR 0001062993-26-004300 filed by 1832 Asset Management L.P.
    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 300,000 shares
    Change vs previous 13F +300,000 shares

    0.06% of the 13F portfolio, value $45,384,000.

    13F-HR 0001062993-26-002620 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -403,700 shares

    13F-HR 0001062993-25-016818 filed by 1832 Asset Management L.P.
    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 ended2025-06-30
    13F 403,700 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $65,294,438.

    13F-HR 0001062993-25-014282 filed by 1832 Asset Management L.P.
    Filed (acceptance time not in the bulk data set), ingested

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