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NORTHSTAR ASSET MANAGEMENT INC: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of NORTHSTAR ASSET MANAGEMENT INC on BRK-B, newest first. How the timeline and the estimate are built.

NORTHSTAR ASSET MANAGEMENT INC held 4,356 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 4,356 shares
    Change vs previous 13F +301 shares

    0.64% of the 13F portfolio, value $2,179,699.

    13F-HR 0001172661-26-002890 filed by NORTHSTAR ASSET MANAGEMENT INC
    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 4,055 shares
    Change vs previous 13F -21 shares

    0.6% of the 13F portfolio, value $1,943,156.

    13F-HR 0001172661-26-001763 filed by NORTHSTAR ASSET MANAGEMENT INC
    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 4,076 shares
    Change vs previous 13F -63 shares

    0.53% of the 13F portfolio, value $2,048,801.

    13F-HR 0001172661-26-000677 filed by NORTHSTAR ASSET MANAGEMENT INC
    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 4,139 shares
    Change vs previous 13F +50 shares

    0.54% of the 13F portfolio, value $2,080,841.

    13F-HR 0001172661-25-004516 filed by NORTHSTAR ASSET MANAGEMENT INC
    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 4,089 shares
    Change vs previous 13F -8 shares

    0.55% of the 13F portfolio, value $1,986,314.

    13F-HR 0001172661-25-002833 filed by NORTHSTAR ASSET MANAGEMENT INC
    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/A 4,097 shares
    Change vs previous 13F -22 shares

    0.65% of the 13F portfolio, value $2,181,980.

    13F-HR/A 0001172661-25-002606 filed by NORTHSTAR ASSET MANAGEMENT INC
    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/A 4,119 shares
    Change vs previous 13F -124 shares

    0.49% of the 13F portfolio, value $1,867,060.

    13F-HR/A 0001172661-25-002605 filed by NORTHSTAR ASSET MANAGEMENT INC
    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/A 4,243 shares
    Change vs previous 13F not available

    0.48% of the 13F portfolio, value $1,952,883.

    13F-HR/A 0001172661-25-002604 filed by NORTHSTAR ASSET MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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