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Disclosery

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

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

D. E. Shaw & Co., Inc. held 12,890 WST 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 12,890 shares
    Change vs previous 13F -1,111 shares

    <0.01% of the 13F portfolio, value $4,627,510.

    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 14,001 shares
    Change vs previous 13F +14,001 shares

    <0.01% of the 13F portfolio, value $3,509,211.

    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 0 shares
    Change vs previous 13F -127,146 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  4. period ended2025-09-30
    13F 127,146 shares
    Change vs previous 13F -157,190 shares

    0.03% of the 13F portfolio, value $33,354,210.

    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 284,336 shares
    Change vs previous 13F +181,314 shares

    0.06% of the 13F portfolio, value $62,212,717.

    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 103,022 shares
    Change vs previous 13F -322,893 shares

    0.03% of the 13F portfolio, value $23,064,565.

    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 425,915 shares
    Change vs previous 13F +417,995 shares

    0.15% of the 13F portfolio, value $139,512,717.

    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 7,920 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,377,268.

    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).