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GEODE CAPITAL MANAGEMENT, LLC: AMSC position timeline

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

GEODE CAPITAL MANAGEMENT, LLC held 1,243,198 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 1,243,198 shares
    Change vs previous 13F +74,046 shares

    <0.01% of the 13F portfolio, value $51,615,468.

    13F-HR 0001214717-26-000008 filed by GEODE CAPITAL MANAGEMENT, 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 1,169,152 shares
    Change vs previous 13F +78,442 shares

    <0.01% of the 13F portfolio, value $39,583,990.

    13F-HR 0001214717-26-000006 filed by GEODE CAPITAL MANAGEMENT, 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 1,090,710 shares
    Change vs previous 13F +20,855 shares

    <0.01% of the 13F portfolio, value $31,396,276.

    13F-HR 0001214717-26-000003 filed by GEODE CAPITAL MANAGEMENT, 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 1,069,855 shares
    Change vs previous 13F +129,744 shares

    <0.01% of the 13F portfolio, value $63,548,422.

    13F-HR 0001214717-25-000016 filed by GEODE CAPITAL MANAGEMENT, 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 940,111 shares
    Change vs previous 13F +58,430 shares

    <0.01% of the 13F portfolio, value $34,496,640.

    13F-HR 0001214717-25-000012 filed by GEODE CAPITAL MANAGEMENT, 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 881,681 shares
    Change vs previous 13F +25,226 shares

    <0.01% of the 13F portfolio, value $15,997,972.

    13F-HR 0001214717-25-000006 filed by GEODE CAPITAL MANAGEMENT, LLC
    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 856,455 shares
    Change vs previous 13F +9,043 shares

    <0.01% of the 13F portfolio, value $21,099,302.

    13F-HR 0001214717-25-000003 filed by GEODE CAPITAL MANAGEMENT, 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 847,412 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $20,002,641.

    13F-HR 0001214717-24-000014 filed by GEODE CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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