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Disclosery

Austin Asset Management Co Inc: BRK-B position timeline

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

Austin Asset Management Co Inc held 1,346 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,346 shares
    Change vs previous 13F +700 shares

    0.09% of the 13F portfolio, value $673,525.

    13F-HR 0001902024-26-000003 filed by Austin Asset Management Co 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 646 shares
    Change vs previous 13F +143 shares

    0.05% of the 13F portfolio, value $309,563.

    13F-HR 0001902024-26-000002 filed by Austin Asset Management Co 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 503 shares
    Change vs previous 13F -16 shares

    0.04% of the 13F portfolio, value $252,833.

    13F-HR 0001902024-26-000001 filed by Austin Asset Management Co 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 519 shares
    Change vs previous 13F +15 shares

    0.05% of the 13F portfolio, value $260,922.

    13F-HR 0001902024-25-000002 filed by Austin Asset Management Co 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 504 shares
    Change vs previous 13F -150 shares

    0.05% of the 13F portfolio, value $244,828.

    13F-HR 0001085146-25-004088 filed by Austin Asset Management Co 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 654 shares
    Change vs previous 13F +208 shares

    0.07% of the 13F portfolio, value $348,494.

    13F-HR 0001085146-25-002303 filed by Austin Asset Management Co 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 446 shares
    Change vs previous 13F -131 shares

    0.04% of the 13F portfolio, value $202,322.

    13F-HR 0001085146-25-000539 filed by Austin Asset Management Co 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 577 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $265,731.

    13F-HR 0001085146-24-005309 filed by Austin Asset Management Co Inc
    Filed (acceptance time not in the bulk data set), ingested

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