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Disclosery

ProShare Advisors LLC: AMSC position timeline

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

ProShare Advisors LLC held 9,680 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,680 shares
    Change vs previous 13F -1,275 shares

    <0.01% of the 13F portfolio, value $401,818.

    13F-HR 0001357955-26-000003 filed by ProShare Advisors 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 10,955 shares
    Change vs previous 13F -699 shares

    <0.01% of the 13F portfolio, value $370,826.

    13F-HR 0001357955-26-000002 filed by ProShare Advisors 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 11,654 shares
    Change vs previous 13F +3,020 shares

    <0.01% of the 13F portfolio, value $335,403.

    13F-HR 0001357955-26-000001 filed by ProShare Advisors 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 8,634 shares
    Change vs previous 13F -941 shares

    <0.01% of the 13F portfolio, value $512,772.

    13F-HR 0001357955-25-000003 filed by ProShare Advisors 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 9,575 shares
    Change vs previous 13F +9,575 shares

    <0.01% of the 13F portfolio, value $351,307.

    13F-HR 0001085146-25-004670 filed by ProShare Advisors 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 0 shares
    Change vs previous 13F -12,324 shares

    13F-HR 0001085146-25-002761 filed by ProShare Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-12-31
    13F 12,324 shares
    Change vs previous 13F +173 shares

    <0.01% of the 13F portfolio, value $303,541.

    13F-HR 0001085146-25-001369 filed by ProShare Advisors LLC
    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 12,151 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $286,765.

    13F-HR 0001085146-24-005691 filed by ProShare Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

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