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Portfolio Design Labs, LLC: BRK-B position timeline

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

Portfolio Design Labs, LLC held 1,403 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,403 shares
    Change vs previous 13F -8,270 shares

    0.12% of the 13F portfolio, value $702,048.

    13F-HR 0002010278-26-000004 filed by Portfolio Design Labs, 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 9,673 shares
    Change vs previous 13F -1,831 shares

    0.82% of the 13F portfolio, value $4,635,302.

    13F-HR 0002010278-26-000003 filed by Portfolio Design Labs, 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 11,504 shares
    Change vs previous 13F +390 shares

    0.95% of the 13F portfolio, value $5,782,486.

    13F-HR 0002010278-26-000002 filed by Portfolio Design Labs, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 11,114 shares
    Change vs previous 13F +11,114 shares

    0.96% of the 13F portfolio, value $5,587,454.

    13F-HR 0002010278-25-000007 filed by Portfolio Design Labs, LLC
    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 0 shares
    Change vs previous 13F not available

    13F-HR 0002010278-24-000006 filed by Portfolio Design Labs, 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.