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Disclosery

Progeny 3, Inc.: BRK-B position timeline

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

Progeny 3, Inc. held 53,239 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 53,239 shares
    Change vs previous 13F 0 shares

    1.37% of the 13F portfolio, value $26,640,263.

    13F-HR 0000899140-26-000882 filed by Progeny 3, 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 53,239 shares
    Change vs previous 13F 0 shares

    1.36% of the 13F portfolio, value $25,512,129.

    13F-HR 0000899140-26-000577 filed by Progeny 3, 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 53,239 shares
    Change vs previous 13F 0 shares

    1.44% of the 13F portfolio, value $26,760,583.

    13F-HR 0000899140-26-000258 filed by Progeny 3, 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 53,239 shares
    Change vs previous 13F 0 shares

    1.38% of the 13F portfolio, value $26,765,375.

    13F-HR 0000899140-25-001311 filed by Progeny 3, 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 53,239 shares
    Change vs previous 13F 0 shares

    1.45% of the 13F portfolio, value $25,861,909.

    13F-HR 0000899140-25-000999 filed by Progeny 3, 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 53,239 shares
    Change vs previous 13F 0 shares

    1.95% of the 13F portfolio, value $28,354,027.

    13F-HR 0000899140-25-000701 filed by Progeny 3, 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 53,239 shares
    Change vs previous 13F 0 shares

    1.92% of the 13F portfolio, value $24,132,174.

    13F-HR 0000899140-25-000314 filed by Progeny 3, 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 53,239 shares
    Change vs previous 13F not available

    2.06% of the 13F portfolio, value $24,503,782.

    13F-HR 0000899140-24-001265 filed by Progeny 3, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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