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MARSHALL WACE, LLP: ATRC position timeline

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

MARSHALL WACE, LLP held 1,333,904 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 1,333,904 shares
    Change vs previous 13F -133,620 shares

    0.03% of the 13F portfolio, value $37,322,635.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 1,467,524 shares
    Change vs previous 13F +554,071 shares

    0.04% of the 13F portfolio, value $41,868,462.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 913,453 shares
    Change vs previous 13F +354,281 shares

    0.03% of the 13F portfolio, value $36,136,202.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 559,172 shares
    Change vs previous 13F -446,076 shares

    0.02% of the 13F portfolio, value $19,710,813.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 1,005,248 shares
    Change vs previous 13F +11,155 shares

    0.04% of the 13F portfolio, value $32,941,978.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 994,093 shares
    Change vs previous 13F +374,927 shares

    0.04% of the 13F portfolio, value $32,069,443.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 619,166 shares
    Change vs previous 13F +167,476 shares

    0.02% of the 13F portfolio, value $18,921,713.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 451,690 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $12,665,388.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

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