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ENGINE NO. 1 LLC: CENX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ENGINE NO. 1 LLC on CENX, newest first. How the timeline and the estimate are built.

ENGINE NO. 1 LLC held 0 CENX 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 -136,000 shares

    13F-HR 0001420506-25-001179 filed by ENGINE NO. 1 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 136,000 shares
    Change vs previous 13F not available

    6.59% of the 13F portfolio, value $2,477,920.

    13F-HR 0001420506-25-000499 filed by ENGINE NO. 1 LLC
    Filed (acceptance time not in the bulk data set), ingested

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