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Disclosery

GRIFFIN ASSET MANAGEMENT, INC.: BRK-B position timeline

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

GRIFFIN ASSET MANAGEMENT, INC. held 13,493 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 13,493 shares
    Change vs previous 13F -526 shares

    0.71% of the 13F portfolio, value $6,751,762.

    13F-HR 0001941040-26-000445 filed by GRIFFIN ASSET 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 14,019 shares
    Change vs previous 13F -840 shares

    0.76% of the 13F portfolio, value $6,717,905.

    13F-HR 0001941040-26-000285 filed by GRIFFIN ASSET 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 14,859 shares
    Change vs previous 13F +3,973 shares

    0.81% of the 13F portfolio, value $7,468,876.

    13F-HR 0001941040-26-000073 filed by GRIFFIN ASSET 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 10,886 shares
    Change vs previous 13F -10 shares

    0.61% of the 13F portfolio, value $5,472,828.

    13F-HR 0001941040-25-000553 filed by GRIFFIN ASSET 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 10,896 shares
    Change vs previous 13F -302 shares

    0.63% of the 13F portfolio, value $5,292,950.

    13F-HR 0001941040-25-000359 filed by GRIFFIN ASSET 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 11,198 shares
    Change vs previous 13F +189 shares

    0.73% of the 13F portfolio, value $5,963,831.

    13F-HR 0001941040-25-000211 filed by GRIFFIN ASSET 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 11,009 shares
    Change vs previous 13F -25 shares

    0.59% of the 13F portfolio, value $4,990,160.

    13F-HR 0001941040-25-000029 filed by GRIFFIN ASSET 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 11,034 shares
    Change vs previous 13F not available

    0.57% of the 13F portfolio, value $5,078,509.

    13F-HR 0001941040-24-000437 filed by GRIFFIN ASSET MANAGEMENT, INC.
    Filed (acceptance time not in the bulk data set), ingested

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