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Disclosery

GUARDIAN INVESTMENT MANAGEMENT: BRK-B position timeline

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

GUARDIAN INVESTMENT MANAGEMENT held 2,888 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-20.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,888 shares
    Change vs previous 13F 0 shares

    0.93% of the 13F portfolio, value $1,445,126.

    13F-HR 0001365474-26-000003 filed by GUARDIAN INVESTMENT 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 2,888 shares
    Change vs previous 13F +108 shares

    1.09% of the 13F portfolio, value $1,383,930.

    13F-HR 0001365474-26-000002 filed by GUARDIAN INVESTMENT 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 2,780 shares
    Change vs previous 13F -150 shares

    1.09% of the 13F portfolio, value $1,397,367.

    13F-HR 0001365474-26-000001 filed by GUARDIAN INVESTMENT 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 2,930 shares
    Change vs previous 13F 0 shares

    1.25% of the 13F portfolio, value $1,473,028.

    13F-HR 0001365474-25-000002 filed by GUARDIAN INVESTMENT 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 2,930 shares
    Change vs previous 13F -2,050 shares

    1.43% of the 13F portfolio, value $1,423,306.

    13F-HR 0001085146-25-003897 filed by GUARDIAN INVESTMENT 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 4,980 shares
    Change vs previous 13F 0 shares

    2.05% of the 13F portfolio, value $2,439,216.

    13F-HR 0001085146-25-002368 filed by GUARDIAN INVESTMENT 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 4,980 shares
    Change vs previous 13F 0 shares

    1.61% of the 13F portfolio, value $2,257,334.

    13F-HR 0001085146-25-000248 filed by GUARDIAN INVESTMENT 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 4,980 shares
    Change vs previous 13F not available

    1.97% of the 13F portfolio, value $2,292,094.

    13F-HR 0001085146-24-004834 filed by GUARDIAN INVESTMENT MANAGEMENT
    Filed (acceptance time not in the bulk data set), ingested

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