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NEW YORK STATE TEACHERS RETIREMENT SYSTEM: AMPH position timeline

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

NEW YORK STATE TEACHERS RETIREMENT SYSTEM held 21,180 AMPH shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 21,180 shares
    Change vs previous 13F -645 shares

    <0.01% of the 13F portfolio, value $427,000.

    13F-HR 0000314969-26-000007 filed by NEW YORK STATE TEACHERS 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 21,825 shares
    Change vs previous 13F -1,152 shares

    <0.01% of the 13F portfolio, value $428,000.

    13F-HR 0000314969-26-000005 filed by NEW YORK STATE TEACHERS 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 22,977 shares
    Change vs previous 13F -351 shares

    <0.01% of the 13F portfolio, value $615,000.

    13F-HR 0000314969-26-000003 filed by NEW YORK STATE TEACHERS 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 23,328 shares
    Change vs previous 13F -404 shares

    <0.01% of the 13F portfolio, value $622,000.

    13F-HR 0000314969-25-000014 filed by NEW YORK STATE TEACHERS 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 23,732 shares
    Change vs previous 13F -134 shares

    <0.01% of the 13F portfolio, value $545,000.

    13F-HR 0000314969-25-000009 filed by NEW YORK STATE TEACHERS 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 23,866 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $692,000.

    13F-HR 0000314969-25-000005 filed by NEW YORK STATE TEACHERS 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 23,866 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $886,000.

    13F-HR 0000314969-25-000003 filed by NEW YORK STATE TEACHERS 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 23,866 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,158,000.

    13F-HR 0000314969-24-000012 filed by NEW YORK STATE TEACHERS RETIREMENT SYSTEM
    Filed (acceptance time not in the bulk data set), ingested

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