Skip to content
Disclosery

D. E. Shaw & Co., Inc.: ATI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of D. E. Shaw & Co., Inc. on ATI, newest first. How the timeline and the estimate are built.

D. E. Shaw & Co., Inc. held 815,585 ATI 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 815,585 shares
    Change vs previous 13F -927,024 shares

    0.1% of the 13F portfolio, value $160,751,804.

    13F-HR 0001104659-26-097217 filed by D. E. Shaw & Co., Inc.
    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 1,742,609 shares
    Change vs previous 13F -280,012 shares

    0.2% of the 13F portfolio, value $253,479,905.

    13F-HR 0001104659-26-062472 filed by D. E. Shaw & Co., Inc.
    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 2,022,621 shares
    Change vs previous 13F -1,004,481 shares

    0.18% of the 13F portfolio, value $232,115,986.

    13F-HR 0001104659-26-016332 filed by D. E. Shaw & Co., Inc.
    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 3,027,102 shares
    Change vs previous 13F -486,846 shares

    0.2% of the 13F portfolio, value $246,224,477.

    13F-HR 0001104659-25-112505 filed by D. E. Shaw & Co., Inc.
    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 3,513,948 shares
    Change vs previous 13F +1,874,654 shares

    0.3% of the 13F portfolio, value $303,394,270.

    13F-HR 0001104659-25-078542 filed by D. E. Shaw & Co., Inc.
    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 1,639,294 shares
    Change vs previous 13F +175,681 shares

    0.1% of the 13F portfolio, value $85,292,467.

    13F-HR 0001104659-25-049422 filed by D. E. Shaw & Co., Inc.
    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 1,463,613 shares
    Change vs previous 13F +181,272 shares

    0.09% of the 13F portfolio, value $80,557,260.

    13F-HR 0001104659-25-014028 filed by D. E. Shaw & Co., Inc.
    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 1,282,341 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $85,801,436.

    13F-HR 0001104659-24-119021 filed by D. E. Shaw & Co., Inc.
    Filed (acceptance time not in the bulk data set), ingested

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