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WELLINGTON MANAGEMENT GROUP LLP: ATRC position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 3,495,603 ATRC 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 3,495,603 shares
    Change vs previous 13F +113,048 shares

    0.02% of the 13F portfolio, value $97,806,972.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP 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 3,382,555 shares
    Change vs previous 13F -535,436 shares

    0.02% of the 13F portfolio, value $96,504,294.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP 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 3,917,991 shares
    Change vs previous 13F -374,096 shares

    0.03% of the 13F portfolio, value $154,995,724.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP 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 4,292,087 shares
    Change vs previous 13F +322,818 shares

    0.03% of the 13F portfolio, value $151,296,066.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP 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 3,969,269 shares
    Change vs previous 13F +3,267,214 shares

    0.02% of the 13F portfolio, value $130,072,945.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP 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 702,055 shares
    Change vs previous 13F +47,551 shares

    <0.01% of the 13F portfolio, value $22,648,294.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP 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/A 654,504 shares
    Change vs previous 13F -889,392 shares

    <0.01% of the 13F portfolio, value $20,001,642.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP 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 1,543,896 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $43,290,844.

    13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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