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MILLENNIUM MANAGEMENT LLC: ONTO position timeline

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

MILLENNIUM MANAGEMENT LLC held 158,023 ONTO 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 158,023 shares
    Change vs previous 13F +134,159 shares

    0.04% of the 13F portfolio, value $59,803,804.

    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 23,864 shares
    Change vs previous 13F -471,136 shares

    <0.01% of the 13F portfolio, value $4,893,790.

    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 495,000 shares
    Change vs previous 13F -104,737 shares

    0.06% of the 13F portfolio, value $78,140,700.

    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 599,737 shares
    Change vs previous 13F -122,141 shares

    0.06% of the 13F portfolio, value $77,498,015.

    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 721,878 shares
    Change vs previous 13F +572,765 shares

    0.07% of the 13F portfolio, value $72,859,147.

    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 149,113 shares
    Change vs previous 13F -3,210 shares

    0.02% of the 13F portfolio, value $18,093,371.

    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 152,323 shares
    Change vs previous 13F +39,771 shares

    0.02% of the 13F portfolio, value $25,387,674.

    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 112,552 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $23,361,293.

    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).