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Disclosery

OLD SECOND NATIONAL BANK OF AURORA: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OLD SECOND NATIONAL BANK OF AURORA on BRK-B, newest first. How the timeline and the estimate are built.

OLD SECOND NATIONAL BANK OF AURORA held 591 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 591 shares
    Change vs previous 13F -106 shares

    0.06% of the 13F portfolio, value $295,730.

    13F-HR 0000903783-26-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 697 shares
    Change vs previous 13F -34 shares

    0.07% of the 13F portfolio, value $334,002.

    13F-HR 0000903783-26-000002 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 731 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $367,437.

    13F-HR 0000903783-26-000001 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 731 shares
    Change vs previous 13F -24 shares

    0.08% of the 13F portfolio, value $367,503.

    13F-HR 0000903783-25-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 755 shares
    Change vs previous 13F +11 shares

    0.08% of the 13F portfolio, value $366,756.

    13F-HR 0001964897-25-000005 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 744 shares
    Change vs previous 13F -10 shares

    0.09% of the 13F portfolio, value $396,240.

    13F-HR 0001964897-25-000003 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 754 shares
    Change vs previous 13F +14 shares

    0.08% of the 13F portfolio, value $341,773.

    13F-HR 0000903783-25-000001 filed by OLD SECOND NATIONAL BANK OF AURORA
    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 740 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $340,593.

    13F-HR 0000903783-24-000006 filed by OLD SECOND NATIONAL BANK OF AURORA
    Filed (acceptance time not in the bulk data set), ingested

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