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RENAISSANCE TECHNOLOGIES LLC: ATEC position timeline

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

RENAISSANCE TECHNOLOGIES LLC held 284,500 ATEC 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 284,500 shares
    Change vs previous 13F -770,600 shares

    <0.01% of the 13F portfolio, value $2,460,925.

    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 1,055,100 shares
    Change vs previous 13F +184,969 shares

    0.02% of the 13F portfolio, value $11,479,488.

    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 870,131 shares
    Change vs previous 13F -108,869 shares

    0.03% of the 13F portfolio, value $18,307,556.

    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 979,000 shares
    Change vs previous 13F +234,800 shares

    0.02% of the 13F portfolio, value $14,234,660.

    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 744,200 shares
    Change vs previous 13F +527,732 shares

    0.01% of the 13F portfolio, value $8,260,620.

    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 216,468 shares
    Change vs previous 13F -75,632 shares

    <0.01% of the 13F portfolio, value $2,194,986.

    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 292,100 shares
    Change vs previous 13F +150,500 shares

    <0.01% of the 13F portfolio, value $2,681,478.

    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 141,600 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $787,296.

    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).