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Riverstone Advisors, LLC: BRK-B position timeline

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

Riverstone Advisors, LLC held 21,426 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 21,426 shares
    Change vs previous 13F +173 shares

    4.45% of the 13F portfolio, value $10,721,106.

    13F-HR 0001951757-26-001123 filed by Riverstone Advisors, LLC
    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 21,253 shares
    Change vs previous 13F -1,703 shares

    5.02% of the 13F portfolio, value $10,184,306.

    13F-HR 0001951757-26-000682 filed by Riverstone Advisors, LLC
    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 22,956 shares
    Change vs previous 13F +261 shares

    5.44% of the 13F portfolio, value $11,538,694.

    13F-HR 0001951757-26-000343 filed by Riverstone Advisors, LLC
    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 22,695 shares
    Change vs previous 13F +186 shares

    5.6% of the 13F portfolio, value $11,409,545.

    13F-HR 0001951757-25-001320 filed by Riverstone Advisors, LLC
    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 22,509 shares
    Change vs previous 13F +145 shares

    5.91% of the 13F portfolio, value $10,934,196.

    13F-HR 0001951757-25-001068 filed by Riverstone Advisors, LLC
    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 22,364 shares
    Change vs previous 13F +704 shares

    7.16% of the 13F portfolio, value $11,910,619.

    13F-HR 0001951757-25-000460 filed by Riverstone Advisors, LLC
    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 21,660 shares
    Change vs previous 13F +6 shares

    5.59% of the 13F portfolio, value $9,818,044.

    13F-HR 0001951757-25-000113 filed by Riverstone Advisors, LLC
    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 21,654 shares
    Change vs previous 13F not available

    5.8% of the 13F portfolio, value $9,966,470.

    13F-HR 0001951757-24-001161 filed by Riverstone Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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