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MILLENNIUM MANAGEMENT LLC: SEM position timeline

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

MILLENNIUM MANAGEMENT LLC held 2,754,016 SEM 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 2,754,016 shares
    Change vs previous 13F +1,900,574 shares

    0.03% of the 13F portfolio, value $45,468,804.

    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 853,442 shares
    Change vs previous 13F +305,289 shares

    0.01% of the 13F portfolio, value $13,902,570.

    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 548,153 shares
    Change vs previous 13F -1,042,186 shares

    0.01% of the 13F portfolio, value $8,140,072.

    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 1,590,339 shares
    Change vs previous 13F +1,277,233 shares

    0.02% of the 13F portfolio, value $20,419,953.

    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 313,106 shares
    Change vs previous 13F -1,399,885 shares

    <0.01% of the 13F portfolio, value $4,752,949.

    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 1,712,991 shares
    Change vs previous 13F +1,418,349 shares

    0.03% of the 13F portfolio, value $28,606,950.

    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 294,642 shares
    Change vs previous 13F +248,631 shares

    <0.01% of the 13F portfolio, value $5,554,002.

    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 46,011 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,604,404.

    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).