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CHICAGO TRUST Co NA: BRK-B position timeline

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

CHICAGO TRUST Co NA held 9,163 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-16.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,163 shares
    Change vs previous 13F +26 shares

    0.66% of the 13F portfolio, value $4,585,073.

    13F-HR 0001601539-26-000008 filed by CHICAGO TRUST Co NA
    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 9,137 shares
    Change vs previous 13F -2,766 shares

    0.7% of the 13F portfolio, value $4,378,450.

    13F-HR 0001601539-26-000006 filed by CHICAGO TRUST Co NA
    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 11,903 shares
    Change vs previous 13F -408 shares

    0.94% of the 13F portfolio, value $5,983,042.

    13F-HR 0001601539-26-000002 filed by CHICAGO TRUST Co NA
    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 12,311 shares
    Change vs previous 13F -54 shares

    0.86% of the 13F portfolio, value $6,189,231.

    13F-HR 0001601539-25-000010 filed by CHICAGO TRUST Co NA
    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 12,365 shares
    Change vs previous 13F +4,512 shares

    0.84% of the 13F portfolio, value $6,006,545.

    13F-HR 0001601539-25-000007 filed by CHICAGO TRUST Co NA
    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 7,853 shares
    Change vs previous 13F -424 shares

    0.74% of the 13F portfolio, value $4,182,350.

    13F-HR 0001601539-25-000005 filed by CHICAGO TRUST Co NA
    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 8,277 shares
    Change vs previous 13F -573 shares

    0.66% of the 13F portfolio, value $3,751,797.

    13F-HR 0001601539-25-000002 filed by CHICAGO TRUST Co NA
    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 8,850 shares
    Change vs previous 13F not available

    0.7% of the 13F portfolio, value $4,073,300.

    13F-HR 0001601539-24-000010 filed by CHICAGO TRUST Co NA
    Filed (acceptance time not in the bulk data set), ingested

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