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Qube Research & Technologies Ltd: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Qube Research & Technologies Ltd on BRK-B, newest first. How the timeline and the estimate are built.

Qube Research & Technologies Ltd held 781,970 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 781,970 shares
    Change vs previous 13F +510,431 shares

    0.43% of the 13F portfolio, value $391,289,968.

    13F-HR 0001729829-26-000014 filed by Qube Research & Technologies Ltd
    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 271,539 shares
    Change vs previous 13F -488,478 shares

    0.18% of the 13F portfolio, value $130,121,489.

    13F-HR 0001729829-26-000004 filed by Qube Research & Technologies Ltd
    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 760,017 shares
    Change vs previous 13F +280,237 shares

    0.55% of the 13F portfolio, value $382,022,545.

    13F-HR 0001729829-26-000002 filed by Qube Research & Technologies Ltd
    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 479,780 shares
    Change vs previous 13F -235,752 shares

    0.34% of the 13F portfolio, value $241,204,597.

    13F-HR 0001729829-25-000053 filed by Qube Research & Technologies Ltd
    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 715,532 shares
    Change vs previous 13F +715,532 shares

    0.48% of the 13F portfolio, value $347,583,980.

    13F-HR 0001729829-25-000050 filed by Qube Research & Technologies Ltd
    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 0 shares
    Change vs previous 13F -387,856 shares

    13F-HR 0001729829-25-000048 filed by Qube Research & Technologies Ltd
    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.

  7. period ended2024-12-31
    13F 387,856 shares
    Change vs previous 13F -299,905 shares

    0.29% of the 13F portfolio, value $175,807,368.

    13F-HR 0001729829-25-000045 filed by Qube Research & Technologies Ltd
    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 687,761 shares
    Change vs previous 13F not available

    0.58% of the 13F portfolio, value $316,548,878.

    13F-HR 0001729829-24-000013 filed by Qube Research & Technologies Ltd
    Filed (acceptance time not in the bulk data set), ingested

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