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Disclosery

D. E. Shaw & Co., Inc.: BRK-B position timeline

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

D. E. Shaw & Co., Inc. held 1,920,532 BRK-B 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 1,920,532 shares
    Change vs previous 13F +1,452,328 shares

    0.59% of the 13F portfolio, value $961,015,007.

    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 468,204 shares
    Change vs previous 13F -139,411 shares

    0.18% of the 13F portfolio, value $224,363,357.

    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 607,615 shares
    Change vs previous 13F -143,557 shares

    0.23% of the 13F portfolio, value $305,417,680.

    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 751,172 shares
    Change vs previous 13F +64,391 shares

    0.3% of the 13F portfolio, value $377,644,211.

    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 686,781 shares
    Change vs previous 13F +346,419 shares

    0.33% of the 13F portfolio, value $333,617,607.

    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 340,362 shares
    Change vs previous 13F +53,426 shares

    0.22% of the 13F portfolio, value $181,269,994.

    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 286,936 shares
    Change vs previous 13F -284,684 shares

    0.14% of the 13F portfolio, value $130,062,350.

    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 571,620 shares
    Change vs previous 13F not available

    0.34% of the 13F portfolio, value $263,093,822.

    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).