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Disclosery

TWO SIGMA SECURITIES, LLC: BRK-B position timeline

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

TWO SIGMA SECURITIES, LLC held 3,030 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 3,030 shares
    Change vs previous 13F +2,406 shares

    0.13% of the 13F portfolio, value $1,516,182.

    13F-HR 0000899140-26-000857 filed by TWO SIGMA SECURITIES, LLC
    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 624 shares
    Change vs previous 13F -3,668 shares

    0.03% of the 13F portfolio, value $299,021.

    13F-HR 0000899140-26-000551 filed by TWO SIGMA SECURITIES, LLC
    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 4,292 shares
    Change vs previous 13F +66 shares

    0.3% of the 13F portfolio, value $2,157,374.

    13F-HR 0000899140-26-000234 filed by TWO SIGMA SECURITIES, LLC
    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 4,226 shares
    Change vs previous 13F +4,226 shares

    0.31% of the 13F portfolio, value $2,124,579.

    13F-HR 0000899140-25-001288 filed by TWO SIGMA SECURITIES, LLC
    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 0 shares
    Change vs previous 13F -7,130 shares

    13F-HR 0000899140-25-000961 filed by TWO SIGMA SECURITIES, LLC
    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.

  6. period ended2025-03-31
    13F 7,130 shares
    Change vs previous 13F +5,601 shares

    0.58% of the 13F portfolio, value $3,797,295.

    13F-HR 0000899140-25-000693 filed by TWO SIGMA SECURITIES, LLC
    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 1,529 shares
    Change vs previous 13F -4,489 shares

    0.13% of the 13F portfolio, value $693,065.

    13F-HR 0000899140-25-000279 filed by TWO SIGMA SECURITIES, LLC
    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 6,018 shares
    Change vs previous 13F not available

    0.22% of the 13F portfolio, value $2,769,845.

    13F-HR 0000919574-24-006612 filed by TWO SIGMA SECURITIES, LLC
    Filed (acceptance time not in the bulk data set), ingested

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