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RENAISSANCE TECHNOLOGIES LLC: ATO position timeline

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

RENAISSANCE TECHNOLOGIES LLC held 447,900 ATO shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 447,900 shares
    Change vs previous 13F +281,100 shares

    0.11% of the 13F portfolio, value $77,159,733.

    13F-HR 0001037389-26-000059 filed by RENAISSANCE TECHNOLOGIES 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 166,800 shares
    Change vs previous 13F +114,800 shares

    0.05% of the 13F portfolio, value $30,811,296.

    13F-HR 0001037389-26-000033 filed by RENAISSANCE TECHNOLOGIES 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 52,000 shares
    Change vs previous 13F -21,400 shares

    0.01% of the 13F portfolio, value $8,716,760.

    13F-HR 0001037389-26-000023 filed by RENAISSANCE TECHNOLOGIES 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 73,400 shares
    Change vs previous 13F +52,900 shares

    0.02% of the 13F portfolio, value $12,533,050.

    13F-HR 0001037389-25-000064 filed by RENAISSANCE TECHNOLOGIES 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 20,500 shares
    Change vs previous 13F -77,500 shares

    <0.01% of the 13F portfolio, value $3,159,255.

    13F-HR 0001037389-25-000034 filed by RENAISSANCE TECHNOLOGIES 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 98,000 shares
    Change vs previous 13F +80,700 shares

    0.02% of the 13F portfolio, value $15,148,840.

    13F-HR 0001037389-25-000023 filed by RENAISSANCE TECHNOLOGIES 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 17,300 shares
    Change vs previous 13F -32,300 shares

    <0.01% of the 13F portfolio, value $2,409,371.

    13F-HR 0001037389-25-000009 filed by RENAISSANCE TECHNOLOGIES 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 49,600 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $6,880,016.

    13F-HR 0001037389-24-000091 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).