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Disclosery

STRS OHIO: AMSC position timeline

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

STRS OHIO held 3,700 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,700 shares
    Change vs previous 13F -14,000 shares

    <0.01% of the 13F portfolio, value $153,587.

    13F-HR 0000820478-26-000014 filed by STRS OHIO
    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 17,700 shares
    Change vs previous 13F -3,500 shares

    <0.01% of the 13F portfolio, value $599,145.

    13F-HR 0000820478-26-000008 filed by STRS OHIO
    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 21,200 shares
    Change vs previous 13F +4,800 shares

    <0.01% of the 13F portfolio, value $610,136.

    13F-HR 0000820478-26-000006 filed by STRS OHIO
    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 16,400 shares
    Change vs previous 13F -3,200 shares

    <0.01% of the 13F portfolio, value $973,996.

    13F-HR 0000820478-25-000020 filed by STRS OHIO
    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 19,600 shares
    Change vs previous 13F -1,300 shares

    <0.01% of the 13F portfolio, value $719,124.

    13F-HR 0000820478-25-000016 filed by STRS OHIO
    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 20,900 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $379,126.

    13F-HR 0000820478-25-000013 filed by STRS OHIO
    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 20,900 shares
    Change vs previous 13F +4,300 shares

    <0.01% of the 13F portfolio, value $514,767.

    13F-HR 0000820478-25-000014 filed by STRS OHIO
    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 16,600 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $391,760.

    13F-HR 0000820478-24-000016 filed by STRS OHIO
    Filed (acceptance time not in the bulk data set), ingested

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