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MARATHON CAPITAL MANAGEMENT: BRK-B position timeline

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

MARATHON CAPITAL MANAGEMENT held 9,473 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,473 shares
    Change vs previous 13F -1,808 shares

    0.96% of the 13F portfolio, value $4,740,194.

    13F-HR 0001172661-26-002744 filed by MARATHON CAPITAL MANAGEMENT
    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 11,281 shares
    Change vs previous 13F -38 shares

    1.21% of the 13F portfolio, value $5,405,855.

    13F-HR 0001172661-26-001839 filed by MARATHON CAPITAL MANAGEMENT
    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 11,319 shares
    Change vs previous 13F +52 shares

    1.22% of the 13F portfolio, value $5,689,495.

    13F-HR 0001172661-26-000374 filed by MARATHON CAPITAL MANAGEMENT
    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 11,267 shares
    Change vs previous 13F -79 shares

    1.3% of the 13F portfolio, value $5,664,372.

    13F-HR 0001172661-25-004808 filed by MARATHON CAPITAL MANAGEMENT
    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 11,346 shares
    Change vs previous 13F -162 shares

    1.4% of the 13F portfolio, value $5,511,546.

    13F-HR 0001172661-25-003317 filed by MARATHON CAPITAL MANAGEMENT
    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 11,508 shares
    Change vs previous 13F -380 shares

    1.63% of the 13F portfolio, value $6,128,931.

    13F-HR 0001172661-25-002209 filed by MARATHON CAPITAL MANAGEMENT
    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 11,888 shares
    Change vs previous 13F +43 shares

    1.35% of the 13F portfolio, value $5,388,593.

    13F-HR 0001172661-25-001088 filed by MARATHON CAPITAL MANAGEMENT
    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 11,845 shares
    Change vs previous 13F not available

    1.32% of the 13F portfolio, value $5,451,780.

    13F-HR 0001172661-24-005065 filed by MARATHON CAPITAL MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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