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Front Street Capital Management, Inc.: BRK-B position timeline

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

Front Street Capital Management, Inc. held 61,247 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 61,247 shares
    Change vs previous 13F +1,105 shares

    3.5% of the 13F portfolio, value $30,815,384.

    13F-HR 0001683182-26-000004 filed by Front Street Capital Management, 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 60,142 shares
    Change vs previous 13F -6,755 shares

    3.82% of the 13F portfolio, value $28,820,000.

    13F-HR 0001683182-26-000003 filed by Front Street Capital Management, 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 66,897 shares
    Change vs previous 13F +900 shares

    4.77% of the 13F portfolio, value $33,626,000.

    13F-HR 0001683182-26-000001 filed by Front Street Capital Management, 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 65,997 shares
    Change vs previous 13F -5,288 shares

    5.11% of the 13F portfolio, value $33,087,000.

    13F-HR 0001683182-25-000005 filed by Front Street Capital Management, 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 71,285 shares
    Change vs previous 13F -27,161 shares

    6.63% of the 13F portfolio, value $34,628,000.

    13F-HR 0001683182-25-000004 filed by Front Street Capital Management, 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 98,446 shares
    Change vs previous 13F +9,288 shares

    9.9% of the 13F portfolio, value $51,928,000.

    13F-HR 0001683182-25-000003 filed by Front Street Capital Management, 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 89,158 shares
    Change vs previous 13F -2,373 shares

    7.02% of the 13F portfolio, value $40,410,000.

    13F-HR 0001683182-25-000001 filed by Front Street Capital Management, 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 91,531 shares
    Change vs previous 13F not available

    6.82% of the 13F portfolio, value $42,128,000.

    13F-HR 0001683182-24-000005 filed by Front Street Capital Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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