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MILLENNIUM MANAGEMENT LLC: MBX position timeline

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

MILLENNIUM MANAGEMENT LLC held 226,151 MBX 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 226,151 shares
    Change vs previous 13F -338,264 shares

    0.01% of the 13F portfolio, value $12,483,535.

    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 564,415 shares
    Change vs previous 13F +102,366 shares

    0.01% of the 13F portfolio, value $16,847,788.

    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 462,049 shares
    Change vs previous 13F -193,367 shares

    0.01% of the 13F portfolio, value $14,573,025.

    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 655,416 shares
    Change vs previous 13F -111,424 shares

    0.01% of the 13F portfolio, value $11,469,780.

    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 766,840 shares
    Change vs previous 13F +596,400 shares

    0.01% of the 13F portfolio, value $8,749,644.

    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 170,440 shares
    Change vs previous 13F -163,202 shares

    <0.01% of the 13F portfolio, value $1,257,847.

    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 333,642 shares
    Change vs previous 13F -106,769 shares

    0.01% of the 13F portfolio, value $6,149,022.

    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 440,411 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $11,441,878.

    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).