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MILLENNIUM MANAGEMENT LLC: AMSC position timeline

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

MILLENNIUM MANAGEMENT LLC held 100,762 AMSC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 100,762 shares
    Change vs previous 13F -814 shares

    <0.01% of the 13F portfolio, value $4,182,631.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM 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 101,576 shares
    Change vs previous 13F +23,488 shares

    <0.01% of the 13F portfolio, value $3,438,348.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM 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 78,088 shares
    Change vs previous 13F -44,414 shares

    <0.01% of the 13F portfolio, value $2,247,373.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM 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 122,502 shares
    Change vs previous 13F -129,305 shares

    0.01% of the 13F portfolio, value $7,275,394.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM 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 251,807 shares
    Change vs previous 13F +26,125 shares

    0.01% of the 13F portfolio, value $9,238,799.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM 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 225,682 shares
    Change vs previous 13F +202,617 shares

    <0.01% of the 13F portfolio, value $4,093,871.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM 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 23,065 shares
    Change vs previous 13F -239,134 shares

    <0.01% of the 13F portfolio, value $568,091.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM 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 262,199 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $6,187,896.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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