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Disclosery

1832 Asset Management L.P.: ATI position timeline

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

1832 Asset Management L.P. held 459,483 ATI 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 459,483 shares
    Change vs previous 13F +307,969 shares

    0.11% of the 13F portfolio, value $90,564,099.

    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 151,514 shares
    Change vs previous 13F -142,959 shares

    0.03% of the 13F portfolio, value $22,039,226.

    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 ended2025-12-31
    13F 294,473 shares
    Change vs previous 13F +294,473 shares

    0.04% of the 13F portfolio, value $33,793,721.

    13F-HR 0001062993-26-000901 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).

  4. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    13F-HR 0001062993-24-018988 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.