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MILLENNIUM MANAGEMENT LLC: MRVI position timeline

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

MILLENNIUM MANAGEMENT LLC held 6,508,220 MRVI shares at 2026-06-30 per its 13F-HR filed 2026-08-14, and reported 7,773,149 shares, 5.2%, in a 13G filed 2026-09-29.

Estimated current stake: 7,773,149 shares, 5.2% of the class

Estimated from 13G of 2026-09-29. As of 2026-09-22, 13G 0001104659-26-112023.

Shares are the reporting group's aggregate and may include entities that do not file a 13F.

Percent of portfolio stays on the 13F for 2026-06-30.

  1. event date2026-09-22
    13G 7,773,149 shares
    Share basis changed not comparable

    5.2% of the class. Different basis (group aggregate from 13G).

    13G 0001104659-26-112023 filed by MILLENNIUM MANAGEMENT LLC
    Accepted , ingested

    A 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.

  2. period ended2026-06-30
    13F 6,508,220 shares
    Change vs previous 13F +4,858,730 shares

    0.03% of the 13F portfolio, value $40,611,293.

    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).

  3. period ended2026-03-31
    13F 1,649,490 shares
    Change vs previous 13F -147,562 shares

    <0.01% of the 13F portfolio, value $4,668,057.

    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).

  4. period ended2025-12-31
    13F 1,797,052 shares
    Change vs previous 13F +1,357,349 shares

    <0.01% of the 13F portfolio, value $5,840,419.

    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).

  5. period ended2025-09-30
    13F 439,703 shares
    Change vs previous 13F +191,616 shares

    <0.01% of the 13F portfolio, value $1,261,948.

    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).

  6. period ended2025-06-30
    13F 248,087 shares
    Change vs previous 13F -1,128,634 shares

    <0.01% of the 13F portfolio, value $597,890.

    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).

  7. period ended2025-03-31
    13F 1,376,721 shares
    Change vs previous 13F -530,540 shares

    <0.01% of the 13F portfolio, value $3,042,553.

    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).

  8. period ended2024-12-31
    13F 1,907,261 shares
    Change vs previous 13F -2,418,051 shares

    0.01% of the 13F portfolio, value $10,394,572.

    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).

  9. period ended2024-09-30
    13F 4,325,312 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $35,943,343.

    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).