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Disclosery

WASHBURN CAPITAL MANAGEMENT, INC.: BRK-B position timeline

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

WASHBURN CAPITAL MANAGEMENT, INC. held 2,320 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 2,320 shares
    Change vs previous 13F -256 shares

    0.57% of the 13F portfolio, value $1,160,905.

    13F-HR 0001172661-26-002739 filed by WASHBURN 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 2,576 shares
    Change vs previous 13F -389 shares

    0.72% of the 13F portfolio, value $1,234,419.

    13F-HR 0001172661-26-001583 filed by WASHBURN 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 2,965 shares
    Change vs previous 13F -270 shares

    0.82% of the 13F portfolio, value $1,490,357.

    13F-HR 0001172661-26-000251 filed by WASHBURN 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 3,235 shares
    Change vs previous 13F -490 shares

    0.91% of the 13F portfolio, value $1,626,364.

    13F-HR 0001172661-25-004462 filed by WASHBURN 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 3,725 shares
    Change vs previous 13F +777 shares

    1.06% of the 13F portfolio, value $1,809,493.

    13F-HR 0001172661-25-002903 filed by WASHBURN 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/A 2,948 shares
    Change vs previous 13F +146 shares

    1.03% of the 13F portfolio, value $1,570,046.

    13F-HR/A 0001172661-25-002904 filed by WASHBURN 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 2,802 shares
    Change vs previous 13F +292 shares

    0.79% of the 13F portfolio, value $1,270,091.

    13F-HR 0001172661-25-000386 filed by WASHBURN 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 2,510 shares
    Change vs previous 13F not available

    0.83% of the 13F portfolio, value $1,155,253.

    13F-HR 0001172661-24-004349 filed by WASHBURN CAPITAL MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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