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Concentric Capital Strategies, LP: BRK-B position timeline

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

Concentric Capital Strategies, LP held 5,886 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 5,886 shares
    Change vs previous 13F -12,700 shares

    0.18% of the 13F portfolio, value $2,945,296.

    13F-HR 0001851869-26-000006 filed by Concentric Capital Strategies, 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 18,586 shares
    Change vs previous 13F -22,854 shares

    0.78% of the 13F portfolio, value $8,906,411.

    13F-HR 0001851869-26-000004 filed by Concentric Capital Strategies, 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 41,440 shares
    Change vs previous 13F +41,440 shares

    1.08% of the 13F portfolio, value $20,829,816.

    13F-HR 0001851869-26-000002 filed by Concentric Capital Strategies, LP
    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 0 shares
    Change vs previous 13F -17,514 shares

    13F-HR 0001851869-25-000011 filed by Concentric Capital Strategies, LP
    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.

  5. period ended2025-06-30
    13F 17,514 shares
    Change vs previous 13F +7,257 shares

    0.48% of the 13F portfolio, value $8,507,776.

    13F-HR 0001851869-25-000006 filed by Concentric Capital Strategies, 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 10,257 shares
    Change vs previous 13F +8,456 shares

    0.55% of the 13F portfolio, value $5,462,673.

    13F-HR 0001851869-25-000005 filed by Concentric Capital Strategies, 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 1,801 shares
    Change vs previous 13F -30,947 shares

    0.05% of the 13F portfolio, value $816,357.

    13F-HR 0001851869-25-000003 filed by Concentric Capital Strategies, 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 32,748 shares
    Change vs previous 13F not available

    0.95% of the 13F portfolio, value $15,072,594.

    13F-HR 0001851869-24-000014 filed by Concentric Capital Strategies, LP
    Filed (acceptance time not in the bulk data set), ingested

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