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NORTHSTAR ASSET MANAGEMENT INC: BRK-A position timeline

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

NORTHSTAR ASSET MANAGEMENT INC held 14 BRK-A 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 14 shares
    Change vs previous 13F 0 shares

    3.07% of the 13F portfolio, value $10,483,900.

    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 14 shares
    Change vs previous 13F 0 shares

    3.09% of the 13F portfolio, value $10,053,960.

    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 14 shares
    Change vs previous 13F 0 shares

    2.73% of the 13F portfolio, value $10,567,200.

    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 14 shares
    Change vs previous 13F 0 shares

    2.75% of the 13F portfolio, value $10,558,800.

    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 14 shares
    Change vs previous 13F 0 shares

    2.82% of the 13F portfolio, value $10,203,200.

    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 14 shares
    Change vs previous 13F +3 shares

    3.31% of the 13F portfolio, value $11,178,182.

    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 11 shares
    Change vs previous 13F 0 shares

    1.97% of the 13F portfolio, value $7,490,120.

    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 11 shares
    Change vs previous 13F not available

    1.87% of the 13F portfolio, value $7,602,980.

    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).