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RoundAngle Advisors LLC: BRK-A position timeline

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

RoundAngle Advisors LLC held 3 BRK-A shares at 2026-03-31 per its 13F-HR filed 2026-04-08.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 3 shares
    Change vs previous 13F 0 shares

    1.61% of the 13F portfolio, value $2,154,420.

    13F-HR 0002049176-26-000002 filed by RoundAngle 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 ended2025-12-31
    13F 3 shares
    Change vs previous 13F 0 shares

    1.65% of the 13F portfolio, value $2,264,400.

    13F-HR 0002049176-26-000001 filed by RoundAngle 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 ended2025-09-30
    13F 3 shares
    Change vs previous 13F 0 shares

    1.75% of the 13F portfolio, value $2,262,600.

    13F-HR 0001085146-25-005909 filed by RoundAngle 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 ended2025-06-30
    13F 3 shares
    Change vs previous 13F 0 shares

    1.83% of the 13F portfolio, value $2,186,400.

    13F-HR 0001085146-25-004181 filed by RoundAngle 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 ended2025-03-31
    13F 3 shares
    Change vs previous 13F not available

    2.2% of the 13F portfolio, value $2,395,325.

    13F-HR 0001085146-25-002374 filed by RoundAngle Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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