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Adalta Capital Management LLC: BRK-B position timeline

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

Adalta Capital Management LLC held 7,203 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 7,203 shares
    Change vs previous 13F 0 shares

    1.58% of the 13F portfolio, value $3,604,309.

    13F-HR 0001698926-26-000003 filed by Adalta Capital Management 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 7,203 shares
    Change vs previous 13F +10 shares

    1.65% of the 13F portfolio, value $3,451,678.

    13F-HR 0001698926-26-000002 filed by Adalta Capital Management 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 7,193 shares
    Change vs previous 13F +1,000 shares

    1.61% of the 13F portfolio, value $3,615,561.

    13F-HR 0001698926-26-000001 filed by Adalta Capital Management 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 6,193 shares
    Change vs previous 13F 0 shares

    1.41% of the 13F portfolio, value $3,113,469.

    13F-HR 0001698926-25-000007 filed by Adalta Capital Management 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 6,193 shares
    Change vs previous 13F 0 shares

    1.51% of the 13F portfolio, value $3,008,374.

    13F-HR 0001698926-25-000003 filed by Adalta Capital Management LLC
    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 6,193 shares
    Change vs previous 13F 0 shares

    1.76% of the 13F portfolio, value $3,298,268.

    13F-HR 0001698926-25-000002 filed by Adalta Capital Management 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 6,193 shares
    Change vs previous 13F 0 shares

    1.47% of the 13F portfolio, value $2,807,163.

    13F-HR 0001698926-25-000001 filed by Adalta Capital Management 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 6,193 shares
    Change vs previous 13F not available

    1.47% of the 13F portfolio, value $2,850,390.

    13F-HR 0001698926-24-000005 filed by Adalta Capital Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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