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BEACONLIGHT CAPITAL, LLC: ATMU position timeline

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

BEACONLIGHT CAPITAL, LLC held 0 ATMU shares at 2025-03-31 per its 13F-HR filed 2025-05-15.

the latest 13F is the newest step

  1. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -105,467 shares

    13F-HR 0000919574-25-003074 filed by BEACONLIGHT CAPITAL, LLC
    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 ended2024-12-31
    13F 105,467 shares
    Change vs previous 13F -199,081 shares

    1.65% of the 13F portfolio, value $4,132,197.

    13F-HR 0000919574-25-001173 filed by BEACONLIGHT CAPITAL, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-09-30
    13F 304,548 shares
    Change vs previous 13F not available

    4.7% of the 13F portfolio, value $11,429,686.

    13F-HR 0000919574-24-006424 filed by BEACONLIGHT CAPITAL, LLC
    Filed (acceptance time not in the bulk data set), ingested

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