Skip to content
Disclosery

RHUMBLINE ADVISERS: AMSC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RHUMBLINE ADVISERS on AMSC, newest first. How the timeline and the estimate are built.

RHUMBLINE ADVISERS held 63,572 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 63,572 shares
    Change vs previous 13F +3,889 shares

    <0.01% of the 13F portfolio, value $2,638,864.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 59,683 shares
    Change vs previous 13F +1,990 shares

    <0.01% of the 13F portfolio, value $2,020,259.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 57,693 shares
    Change vs previous 13F -12,732 shares

    <0.01% of the 13F portfolio, value $1,660,395.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 70,425 shares
    Change vs previous 13F +9,263 shares

    <0.01% of the 13F portfolio, value $4,182,527.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 61,162 shares
    Change vs previous 13F +11,989 shares

    <0.01% of the 13F portfolio, value $2,244,021.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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 49,173 shares
    Change vs previous 13F -1,946 shares

    <0.01% of the 13F portfolio, value $891,988.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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 51,119 shares
    Change vs previous 13F +606 shares

    <0.01% of the 13F portfolio, value $1,259,052.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 50,513 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,192,099.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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