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TWO SIGMA INVESTMENTS, LP: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWO SIGMA INVESTMENTS, LP on BRK-B, newest first. How the timeline and the estimate are built.

TWO SIGMA INVESTMENTS, LP held 2,274,395 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 2,274,395 shares
    Change vs previous 13F +652,805 shares

    0.86% of the 13F portfolio, value $1,138,084,514.

    13F-HR 0000899140-26-000855 filed by TWO SIGMA INVESTMENTS, LP
    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 1,621,590 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. 0.64% of the 13F portfolio, value $777,065,928.

    13F-HR 0000899140-26-000547 filed by TWO SIGMA INVESTMENTS, LP
    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 719,354 shares
    Change vs previous 13F +210,558 shares

    0.31% of the 13F portfolio, value $361,583,288.

    13F-HR 0000899140-26-000232 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 432,154 shares
    • TWO SIGMA ADVISERS, LP: 287,200 shares

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 508,796 shares
    Change vs previous 13F +498,196 shares

    0.22% of the 13F portfolio, value $255,792,101.

    13F-HR 0000899140-25-001286 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 379,096 shares
    • TWO SIGMA ADVISERS, LP: 129,700 shares

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 10,600 shares
    Change vs previous 13F -35,400 shares

    0.01% of the 13F portfolio, value $5,149,162.

    13F-HR 0000899140-25-000953 filed by TWO SIGMA ADVISERS, LP
    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 46,000 shares
    Change vs previous 13F -100 shares

    0.06% of the 13F portfolio, value $24,498,680.

    13F-HR 0000899140-25-000679 filed by TWO SIGMA ADVISERS, LP
    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 46,100 shares
    Change vs previous 13F +39,000 shares

    0.05% of the 13F portfolio, value $20,896,208.

    13F-HR 0000899140-25-000264 filed by TWO SIGMA ADVISERS, LP
    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 7,100 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $3,267,846.

    13F-HR 0000919574-24-006607 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 0 shares
    • TWO SIGMA ADVISERS, LP: 7,100 shares

    Acceptance time not in the bulk data set (spec §4.2).