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Quattro Advisors LLC: BRK-B position timeline

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

Quattro Advisors LLC held 23,424 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 23,424 shares
    Change vs previous 13F -5,474 shares

    7.8% of the 13F portfolio, value $11,720,937.

    13F-HR 0002111158-26-000006 filed by Quattro 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 28,898 shares
    Change vs previous 13F -1,457 shares

    12% of the 13F portfolio, value $13,848,068.

    13F-HR 0002111158-26-000004 filed by Quattro 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 30,355 shares
    Change vs previous 13F not available

    12.2% of the 13F portfolio, value $15,257,806.

    13F-HR 0002111158-26-000002 filed by Quattro Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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