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MILLENNIUM MANAGEMENT LLC: CSTM position timeline

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

MILLENNIUM MANAGEMENT LLC held 1,956,365 CSTM 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 1,956,365 shares
    Change vs previous 13F -1,513,726 shares

    0.04% of the 13F portfolio, value $62,349,353.

    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 3,470,091 shares
    Change vs previous 13F -2,799,778 shares

    0.06% of the 13F portfolio, value $85,294,837.

    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 6,269,869 shares
    Change vs previous 13F -665,897 shares

    0.08% of the 13F portfolio, value $118,187,031.

    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 6,935,766 shares
    Change vs previous 13F +1,813,400 shares

    0.08% of the 13F portfolio, value $103,204,198.

    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 5,122,366 shares
    Change vs previous 13F +1,006,927 shares

    0.06% of the 13F portfolio, value $68,127,468.

    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 4,115,439 shares
    Change vs previous 13F +1,633,561 shares

    0.04% of the 13F portfolio, value $41,524,780.

    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 2,481,878 shares
    Change vs previous 13F +622,367 shares

    0.02% of the 13F portfolio, value $25,488,887.

    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 1,859,511 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $30,235,649.

    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).