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Disclosery

RWQ Financial Management Services, Inc.: BRK-B position timeline

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

RWQ Financial Management Services, Inc. held 30,540 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-22.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 30,540 shares
    Change vs previous 13F +17,640 shares

    7.37% of the 13F portfolio, value $15,281,911.

    13F-HR 0001846544-26-000002 filed by RWQ Financial Management Services, 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 12,900 shares
    Change vs previous 13F +12,900 shares

    4.03% of the 13F portfolio, value $6,181,680.

    13F-HR 0001172661-26-001954 filed by RWQ Financial Management Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -450 shares

    13F-HR 0001172661-25-001566 filed by RWQ Financial Management Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  4. period ended2024-12-31
    13F 450 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $203,976.

    13F-HR 0001172661-25-000640 filed by RWQ Financial Management Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-09-30
    13F 450 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $207,117.

    13F-HR 0001172661-24-004390 filed by RWQ Financial Management Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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