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

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

D. E. Shaw & Co., Inc. held 887,048 AMPH 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 887,048 shares
    Change vs previous 13F +221,506 shares

    0.01% of the 13F portfolio, value $17,900,629.

    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 665,542 shares
    Change vs previous 13F +641,883 shares

    0.01% of the 13F portfolio, value $13,037,968.

    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 ended2024-09-30
    13F 23,659 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,148,171.

    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).