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Wilmington Savings Fund Society, FSB: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Wilmington Savings Fund Society, FSB on BRK-B, newest first. How the timeline and the estimate are built.

Wilmington Savings Fund Society, FSB held 62,002 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 62,002 shares
    Change vs previous 13F +27 shares

    0.69% of the 13F portfolio, value $31,025,181.

    13F-HR 0000900974-26-000003 filed by Wilmington Savings Fund Society, FSB
    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 61,975 shares
    Change vs previous 13F +7,059 shares

    0.71% of the 13F portfolio, value $29,698,420.

    13F-HR 0000900974-26-000002 filed by Wilmington Savings Fund Society, FSB
    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 54,916 shares
    Change vs previous 13F +723 shares

    0.65% of the 13F portfolio, value $27,603,527.

    13F-HR 0000900974-26-000001 filed by Wilmington Savings Fund Society, FSB
    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/A 54,193 shares
    Change vs previous 13F -23,091 shares

    0.66% of the 13F portfolio, value $27,244,989.

    13F-HR/A 0000900974-25-000010 filed by Wilmington Savings Fund Society, FSB
    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 77,284 shares
    Change vs previous 13F -3,414 shares

    0.67% of the 13F portfolio, value $37,542,249.

    13F-HR 0000900974-25-000004 filed by Wilmington Savings Fund Society, FSB
    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 80,698 shares
    Change vs previous 13F -10,263 shares

    0.8% of the 13F portfolio, value $42,978,141.

    13F-HR 0000900974-25-000003 filed by Wilmington Savings Fund Society, FSB
    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 90,961 shares
    Change vs previous 13F +1,641 shares

    0.74% of the 13F portfolio, value $41,230,802.

    13F-HR 0000900974-25-000002 filed by Wilmington Savings Fund Society, FSB
    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 89,320 shares
    Change vs previous 13F not available

    0.74% of the 13F portfolio, value $41,110,423.

    13F-HR 0000900974-24-000010 filed by Wilmington Savings Fund Society, FSB
    Filed (acceptance time not in the bulk data set), ingested

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