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MILLENNIUM MANAGEMENT LLC: ATEN position timeline

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

MILLENNIUM MANAGEMENT LLC held 175,579 ATEN 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 175,579 shares
    Change vs previous 13F -239,341 shares

    <0.01% of the 13F portfolio, value $6,559,631.

    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 414,920 shares
    Change vs previous 13F +202,848 shares

    0.01% of the 13F portfolio, value $9,592,950.

    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 212,072 shares
    Change vs previous 13F +67,227 shares

    <0.01% of the 13F portfolio, value $3,751,554.

    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 144,845 shares
    Change vs previous 13F +51,718 shares

    <0.01% of the 13F portfolio, value $2,628,937.

    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 93,127 shares
    Change vs previous 13F +31,535 shares

    <0.01% of the 13F portfolio, value $1,802,007.

    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 61,592 shares
    Change vs previous 13F -213,926 shares

    <0.01% of the 13F portfolio, value $1,006,413.

    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 275,518 shares
    Change vs previous 13F +102,599 shares

    <0.01% of the 13F portfolio, value $5,069,531.

    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 172,919 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,496,950.

    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).