Skip to content
Disclosery

MILLENNIUM MANAGEMENT LLC: CENX position timeline

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

MILLENNIUM MANAGEMENT LLC held 1,116,217 CENX 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 1,116,217 shares
    Change vs previous 13F -871,408 shares

    0.03% of the 13F portfolio, value $51,357,144.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM MANAGEMENT LLC
    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 1,987,625 shares
    Change vs previous 13F +569,593 shares

    0.09% of the 13F portfolio, value $116,653,711.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM MANAGEMENT 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 1,418,032 shares
    Change vs previous 13F +975,359 shares

    0.04% of the 13F portfolio, value $55,558,494.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM MANAGEMENT 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 442,673 shares
    Change vs previous 13F -69,844 shares

    0.01% of the 13F portfolio, value $12,996,879.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM MANAGEMENT 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 512,517 shares
    Change vs previous 13F +478,716 shares

    0.01% of the 13F portfolio, value $9,235,556.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT 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 33,801 shares
    Change vs previous 13F -423,927 shares

    <0.01% of the 13F portfolio, value $627,347.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT 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 457,728 shares
    Change vs previous 13F +362,586 shares

    0.01% of the 13F portfolio, value $8,339,804.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT 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 95,142 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,544,155.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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