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RENAISSANCE TECHNOLOGIES LLC: ATRC position timeline

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

RENAISSANCE TECHNOLOGIES LLC held 234,100 ATRC 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 234,100 shares
    Change vs previous 13F -74,600 shares

    0.01% of the 13F portfolio, value $6,550,118.

    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 308,700 shares
    Change vs previous 13F -13,200 shares

    0.01% of the 13F portfolio, value $8,807,211.

    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 321,900 shares
    Change vs previous 13F +63,100 shares

    0.02% of the 13F portfolio, value $12,734,364.

    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 258,800 shares
    Change vs previous 13F -118,900 shares

    0.01% of the 13F portfolio, value $9,122,700.

    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 377,700 shares
    Change vs previous 13F +69,800 shares

    0.02% of the 13F portfolio, value $12,377,229.

    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 307,900 shares
    Change vs previous 13F +144,000 shares

    0.02% of the 13F portfolio, value $9,932,854.

    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 163,900 shares
    Change vs previous 13F +65,800 shares

    0.01% of the 13F portfolio, value $5,008,784.

    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 98,100 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,750,724.

    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).