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Disclosery

ARIZONA STATE RETIREMENT SYSTEM: AMSC position timeline

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

ARIZONA STATE RETIREMENT SYSTEM held 12,152 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,152 shares
    Change vs previous 13F -259 shares

    <0.01% of the 13F portfolio, value $504,430.

    13F-HR 0000897069-26-001594 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 12,411 shares
    Change vs previous 13F -113 shares

    <0.01% of the 13F portfolio, value $420,112.

    13F-HR 0000897069-26-000996 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 12,524 shares
    Change vs previous 13F -359 shares

    <0.01% of the 13F portfolio, value $360,441.

    13F-HR 0000897069-26-000191 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 12,883 shares
    Change vs previous 13F +442 shares

    <0.01% of the 13F portfolio, value $765,121.

    13F-HR 0000897069-25-001611 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 12,441 shares
    Change vs previous 13F +1,708 shares

    <0.01% of the 13F portfolio, value $456,460.

    13F-HR 0000897069-25-001322 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 10,733 shares
    Change vs previous 13F -359 shares

    <0.01% of the 13F portfolio, value $194,697.

    13F-HR 0000897069-25-000898 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 11,092 shares
    Change vs previous 13F +439 shares

    <0.01% of the 13F portfolio, value $273,196.

    13F-HR 0000897069-25-000186 filed by ARIZONA STATE RETIREMENT SYSTEM
    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 10,653 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $251,411.

    13F-HR 0000897069-24-002139 filed by ARIZONA STATE RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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