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North Star Investment Management Corp.: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of North Star Investment Management Corp. on BRK-B, newest first. How the timeline and the estimate are built.

North Star Investment Management Corp. held 18,560 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 18,560 shares
    Change vs previous 13F +8 shares

    0.5% of the 13F portfolio, value $9,287,086.

    13F-HR 0001062993-26-003882 filed by North Star Investment Management Corp.
    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 18,552 shares
    Change vs previous 13F +533 shares

    0.54% of the 13F portfolio, value $8,889,972.

    13F-HR 0001062993-26-002110 filed by North Star Investment Management Corp.
    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 18,019 shares
    Change vs previous 13F +1,556 shares

    0.57% of the 13F portfolio, value $9,057,097.

    13F-HR 0001062993-26-000502 filed by North Star Investment Management Corp.
    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 16,463 shares
    Change vs previous 13F +204 shares

    0.53% of the 13F portfolio, value $8,276,455.

    13F-HR 0001062993-25-016263 filed by North Star Investment Management Corp.
    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 16,259 shares
    Change vs previous 13F +904 shares

    0.55% of the 13F portfolio, value $7,897,986.

    13F-HR 0001062993-25-012875 filed by North Star Investment Management Corp.
    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 15,355 shares
    Change vs previous 13F +802 shares

    0.6% of the 13F portfolio, value $8,177,766.

    13F-HR 0001062993-25-007620 filed by North Star Investment Management Corp.
    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 14,553 shares
    Change vs previous 13F +5 shares

    0.46% of the 13F portfolio, value $6,596,584.

    13F-HR 0001062993-25-001923 filed by North Star Investment Management Corp.
    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 14,548 shares
    Change vs previous 13F not available

    0.46% of the 13F portfolio, value $6,695,862.

    13F-HR 0001062993-24-018117 filed by North Star Investment Management Corp.
    Filed (acceptance time not in the bulk data set), ingested

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