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

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

D. E. Shaw & Co., Inc. held 12,349 BLFS 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 12,349 shares
    Change vs previous 13F -89,521 shares

    <0.01% of the 13F portfolio, value $348,736.

    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 101,870 shares
    Change vs previous 13F -64,511 shares

    <0.01% of the 13F portfolio, value $1,943,680.

    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 166,381 shares
    Change vs previous 13F -119,162 shares

    <0.01% of the 13F portfolio, value $4,023,093.

    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 285,543 shares
    Change vs previous 13F +169,831 shares

    0.01% of the 13F portfolio, value $7,284,202.

    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 115,712 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,492,436.

    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).