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QUANTUM FINANCIAL PARTNERS LLC: BRK-B position timeline

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

QUANTUM FINANCIAL PARTNERS LLC held 4,379 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 4,379 shares
    Change vs previous 13F not available

    1.12% of the 13F portfolio, value $2,191,207.

    13F-HR 0002103577-26-000003 filed by QUANTUM FINANCIAL PARTNERS LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec ยง4.2).