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Disclosery

RATIONAL ADVISORS, INC.: BRK-B position timeline

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

RATIONAL ADVISORS, INC. held 4,981 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-24.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,981 shares
    Change vs previous 13F -1,656 shares

    0.23% of the 13F portfolio, value $2,492,443.

    13F-HR 0001580642-26-004576 filed by RATIONAL ADVISORS, 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 6,637 shares
    Change vs previous 13F +1,721 shares

    0.32% of the 13F portfolio, value $3,180,450.

    13F-HR 0001580642-26-003009 filed by RATIONAL ADVISORS, 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 4,916 shares
    Change vs previous 13F +3,277 shares

    0.25% of the 13F portfolio, value $2,471,027.

    13F-HR 0001580642-26-000967 filed by RATIONAL ADVISORS, 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 1,639 shares
    Change vs previous 13F +164 shares

    0.08% of the 13F portfolio, value $823,991.

    13F-HR 0001580642-25-007222 filed by RATIONAL ADVISORS, 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 1,475 shares
    Change vs previous 13F -1,143 shares

    0.07% of the 13F portfolio, value $716,511.

    13F-HR 0001162044-25-000770 filed by RATIONAL ADVISORS, 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 2,618 shares
    Change vs previous 13F -886 shares

    0.14% of the 13F portfolio, value $1,394,294.

    13F-HR 0001162044-25-000468 filed by RATIONAL ADVISORS, 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 3,504 shares
    Change vs previous 13F -135 shares

    0.16% of the 13F portfolio, value $1,588,293.

    13F-HR 0001162044-25-000114 filed by RATIONAL ADVISORS, 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 3,639 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $1,674,886.

    13F-HR 0001162044-24-001178 filed by RATIONAL ADVISORS, INC.
    Filed (acceptance time not in the bulk data set), ingested

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