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NORTHSTAR ASSET MANAGEMENT Co: AMT position timeline

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

NORTHSTAR ASSET MANAGEMENT Co held 15,936 AMT shares at 2026-06-30 per its 13F-HR filed 2026-07-27.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 15,936 shares
    Change vs previous 13F -118 shares

    0.5% of the 13F portfolio, value $2,656,054.

    13F-HR 0001132708-26-000003 filed by NORTHSTAR ASSET MANAGEMENT Co
    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 16,054 shares
    Change vs previous 13F -1,003 shares

    0.62% of the 13F portfolio, value $2,770,599.

    13F-HR 0001132708-26-000002 filed by NORTHSTAR ASSET MANAGEMENT Co
    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 17,057 shares
    Change vs previous 13F -500 shares

    0.64% of the 13F portfolio, value $2,994,697.

    13F-HR 0001132708-26-000001 filed by NORTHSTAR ASSET MANAGEMENT Co
    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 17,557 shares
    Change vs previous 13F -350 shares

    0.72% of the 13F portfolio, value $3,376,562.

    13F-HR 0001132708-25-000008 filed by NORTHSTAR ASSET MANAGEMENT Co
    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 17,907 shares
    Change vs previous 13F -200 shares

    0.91% of the 13F portfolio, value $3,957,805.

    13F-HR 0001132708-25-000007 filed by NORTHSTAR ASSET MANAGEMENT Co
    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 18,107 shares
    Change vs previous 13F -788 shares

    0.95% of the 13F portfolio, value $3,940,083.

    13F-HR 0001132708-25-000002 filed by NORTHSTAR ASSET MANAGEMENT Co
    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 18,895 shares
    Change vs previous 13F -780 shares

    0.79% of the 13F portfolio, value $3,465,532.

    13F-HR 0001132708-25-000001 filed by NORTHSTAR ASSET MANAGEMENT Co
    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 19,675 shares
    Change vs previous 13F not available

    1.05% of the 13F portfolio, value $4,575,618.

    13F-HR 0001132708-24-000006 filed by NORTHSTAR ASSET MANAGEMENT Co
    Filed (acceptance time not in the bulk data set), ingested

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