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Douglass Winthrop Advisors, LLC: BRK-B position timeline

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

Douglass Winthrop Advisors, LLC held 905,642 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 905,642 shares
    Change vs previous 13F +30,672 shares

    7.82% of the 13F portfolio, value $453,174,200.

    13F-HR 0001308527-26-000003 filed by Douglass Winthrop 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 ended2026-03-31
    13F 874,970 shares
    Change vs previous 13F -4,091 shares

    7.68% of the 13F portfolio, value $419,285,624.

    13F-HR 0001308527-26-000002 filed by Douglass Winthrop 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 ended2025-12-31
    13F 879,061 shares
    Change vs previous 13F -5,744 shares

    7.72% of the 13F portfolio, value $441,860,012.

    13F-HR 0001308527-26-000001 filed by Douglass Winthrop 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 ended2025-09-30
    13F 884,805 shares
    Change vs previous 13F +14,999 shares

    7.75% of the 13F portfolio, value $444,826,866.

    13F-HR 0001308527-25-000007 filed by Douglass Winthrop 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 ended2025-06-30
    13F 869,806 shares
    Change vs previous 13F +3,951 shares

    7.63% of the 13F portfolio, value $422,525,661.

    13F-HR 0001308527-25-000004 filed by Douglass Winthrop Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 865,855 shares
    Change vs previous 13F -14,410 shares

    8.77% of the 13F portfolio, value $461,137,056.

    13F-HR 0001308527-25-000003 filed by Douglass Winthrop Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 880,265 shares
    Change vs previous 13F +291 shares

    7.77% of the 13F portfolio, value $399,006,519.

    13F-HR 0001308527-25-000002 filed by Douglass Winthrop Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 879,974 shares
    Change vs previous 13F not available

    7.72% of the 13F portfolio, value $405,016,833.

    13F-HR 0001308527-24-000009 filed by Douglass Winthrop Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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