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TWINBEECH CAPITAL LP: AMTM position timeline

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

TWINBEECH CAPITAL LP held 99,727 AMTM 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 99,727 shares
    Change vs previous 13F +99,727 shares

    0.37% of the 13F portfolio, value $2,061,357.

    13F-HR 0001214659-26-010391 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).

  2. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -137,453 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.

  3. period ended2025-12-31
    13F 137,453 shares
    Change vs previous 13F -85,254 shares

    0.28% of the 13F portfolio, value $3,986,137.

    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).

  4. period ended2025-09-30
    13F 222,707 shares
    Change vs previous 13F +222,707 shares

    0.21% of the 13F portfolio, value $5,333,833.

    13F-HR 0001214659-25-016644 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).

  5. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -225,438 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.

  6. period ended2025-03-31
    13F 225,438 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $4,102,972.

    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).