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MILLENNIUM MANAGEMENT LLC: SEI position timeline

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

MILLENNIUM MANAGEMENT LLC held 267,725 SEI 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 267,725 shares
    Change vs previous 13F -2,017,819 shares

    0.01% of the 13F portfolio, value $21,541,154.

    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 2,285,544 shares
    Change vs previous 13F +440,494 shares

    0.1% of the 13F portfolio, value $129,156,091.

    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 1,845,050 shares
    Change vs previous 13F +1,042,902 shares

    0.06% of the 13F portfolio, value $84,816,948.

    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 802,148 shares
    Change vs previous 13F +155,385 shares

    0.03% of the 13F portfolio, value $32,061,856.

    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 646,763 shares
    Change vs previous 13F -471,562 shares

    0.02% of the 13F portfolio, value $18,296,925.

    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 1,118,325 shares
    Change vs previous 13F +846,734 shares

    0.02% of the 13F portfolio, value $24,334,752.

    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 271,591 shares
    Change vs previous 13F +182,585 shares

    0.01% of the 13F portfolio, value $7,816,389.

    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 89,006 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,135,717.

    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).