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Disclosery

CITADEL ADVISORS LLC: AMSC position timeline

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

CITADEL ADVISORS LLC held 20,528 AMSC shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 20,528 shares
    Change vs previous 13F -196,185 shares

    <0.01% of the 13F portfolio, value $852,117.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 216,713 shares
    Change vs previous 13F -121,000 shares

    0.01% of the 13F portfolio, value $7,335,735.

    13F-HR 0001104659-26-062477 filed by CITADEL 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 337,713 shares
    Change vs previous 13F +322,892 shares

    0.01% of the 13F portfolio, value $9,719,380.

    13F-HR 0001104659-26-016408 filed by CITADEL 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 14,821 shares
    Change vs previous 13F -674,870 shares

    <0.01% of the 13F portfolio, value $880,219.

    13F-HR 0001104659-25-112514 filed by CITADEL 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 689,691 shares
    Change vs previous 13F +558,130 shares

    0.02% of the 13F portfolio, value $25,304,763.

    13F-HR 0001104659-25-078555 filed by CITADEL 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 131,561 shares
    Change vs previous 13F -128,278 shares

    <0.01% of the 13F portfolio, value $2,386,517.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS 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 259,839 shares
    Change vs previous 13F -36,218 shares

    0.01% of the 13F portfolio, value $6,399,834.

    13F-HR 0000950123-25-002739 filed by CITADEL 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 296,057 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $6,986,946.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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