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

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

D. E. Shaw & Co., Inc. held 145,448 ATKR 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 145,448 shares
    Change vs previous 13F +84,178 shares

    0.01% of the 13F portfolio, value $11,059,866.

    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 61,270 shares
    Change vs previous 13F -51,875 shares

    <0.01% of the 13F portfolio, value $3,609,416.

    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 113,145 shares
    Change vs previous 13F -38,147 shares

    0.01% of the 13F portfolio, value $7,156,421.

    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 151,292 shares
    Change vs previous 13F +84,437 shares

    0.01% of the 13F portfolio, value $9,492,060.

    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 66,855 shares
    Change vs previous 13F -105,233 shares

    <0.01% of the 13F portfolio, value $4,716,620.

    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 172,088 shares
    Change vs previous 13F +161,698 shares

    0.01% of the 13F portfolio, value $10,323,559.

    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 10,390 shares
    Change vs previous 13F -77,313 shares

    <0.01% of the 13F portfolio, value $867,046.

    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 87,703 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $7,431,952.

    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).