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Disclosery

Quartz Partners, LLC: BRK-B position timeline

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

Quartz Partners, LLC held 0 BRK-B shares at 2026-03-31 per its 13F-HR filed 2026-05-05.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -408 shares

    13F-HR 0001062993-26-002318 filed by Quartz Partners, LLC
    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.

  2. period ended2025-12-31
    13F 408 shares
    Change vs previous 13F -602 shares

    0.08% of the 13F portfolio, value $205,203.

    13F-HR 0001062993-26-000933 filed by Quartz Partners, 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 1,010 shares
    Change vs previous 13F -114 shares

    0.18% of the 13F portfolio, value $507,645.

    13F-HR 0001062993-25-016709 filed by Quartz Partners, 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 1,124 shares
    Change vs previous 13F +107 shares

    0.25% of the 13F portfolio, value $546,158.

    13F-HR 0001062993-25-014426 filed by Quartz Partners, 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 1,017 shares
    Change vs previous 13F -51 shares

    0.33% of the 13F portfolio, value $541,768.

    13F-HR 0001062993-25-009342 filed by Quartz Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 1,068 shares
    Change vs previous 13F +11 shares

    0.29% of the 13F portfolio, value $483,986.

    13F-HR 0001062993-25-001575 filed by Quartz Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 1,057 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $486,660.

    13F-HR 0001062993-24-018666 filed by Quartz Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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