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Disclosery

Dorsey & Whitney Trust CO LLC: AMSC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Dorsey & Whitney Trust CO LLC on AMSC, newest first. How the timeline and the estimate are built.

Dorsey & Whitney Trust CO LLC held 21,611 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 21,611 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $897,073.

    13F-HR 0001062993-26-004398 filed by Dorsey & Whitney Trust CO LLC
    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 21,611 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $731,532.

    13F-HR 0001062993-26-002606 filed by Dorsey & Whitney Trust CO LLC
    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 21,611 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $621,965.

    13F-HR 0001062993-26-000798 filed by Dorsey & Whitney Trust CO LLC
    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 21,611 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $1,283,477.

    13F-HR 0001062993-25-016736 filed by Dorsey & Whitney Trust CO LLC
    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 21,611 shares
    Change vs previous 13F -23,689 shares

    0.04% of the 13F portfolio, value $792,908.

    13F-HR 0001062993-25-014027 filed by Dorsey & Whitney Trust CO LLC
    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 45,300 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $821,742.

    13F-HR 0001062993-25-009319 filed by Dorsey & Whitney Trust CO LLC
    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 45,300 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $1,115,739.

    13F-HR 0001062993-25-001820 filed by Dorsey & Whitney Trust CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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