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MILLENNIUM MANAGEMENT LLC: RIVN position timeline

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

MILLENNIUM MANAGEMENT LLC held 210,204 RIVN 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 210,204 shares
    Change vs previous 13F +39,129 shares

    <0.01% of the 13F portfolio, value $3,647,039.

    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 171,075 shares
    Change vs previous 13F -2,301,032 shares

    <0.01% of the 13F portfolio, value $2,574,679.

    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 2,472,107 shares
    Change vs previous 13F -741,846 shares

    0.04% of the 13F portfolio, value $48,725,229.

    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 3,213,953 shares
    Change vs previous 13F +1,906,402 shares

    0.04% of the 13F portfolio, value $47,180,830.

    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 1,307,551 shares
    Change vs previous 13F +436,708 shares

    0.02% of the 13F portfolio, value $17,965,751.

    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 870,843 shares
    Change vs previous 13F -1,879,750 shares

    0.01% of the 13F portfolio, value $10,841,995.

    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 2,750,593 shares
    Change vs previous 13F +2,515,941 shares

    0.03% of the 13F portfolio, value $36,582,887.

    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 234,652 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,632,795.

    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).