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Disclosery

TWINBEECH CAPITAL LP: AMSC position timeline

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

TWINBEECH CAPITAL LP held 0 AMSC shares at 2026-03-31 per its 13F-HR filed 2026-05-15.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -52,221 shares

    13F-HR 0001214659-26-006477 filed by TWINBEECH CAPITAL LP
    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.

  2. period ended2025-12-31
    13F 52,221 shares
    Change vs previous 13F +52,221 shares

    0.11% of the 13F portfolio, value $1,502,920.

    13F-HR 0001214659-26-001991 filed by TWINBEECH CAPITAL LP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -115,458 shares

    13F-HR 0001214659-25-012237 filed by TWINBEECH CAPITAL LP
    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.

  4. period ended2025-03-31
    13F 115,458 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $2,094,408.

    13F-HR 0001214659-25-007843 filed by TWINBEECH CAPITAL LP
    Filed (acceptance time not in the bulk data set), ingested

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