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Disclosery

BlackRock Inc.: ATRC position timeline

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

BlackRock Inc. held 4,615,791 ATRC shares at 2024-06-30 per its 13F-HR filed 2024-08-13, and reported 7,837,484 shares, 15.4%, in a 13G/A filed 2026-10-05.

Estimated current stake: 7,837,484 shares, 15.4% of the class

Estimated from 13G/A of 2026-10-05. As of 2026-09-30, 13G/A 0002012383-26-003315.

Shares are the reporting group's aggregate and may include entities that do not file a 13F.

Percent of portfolio stays on the 13F for 2024-06-30.

  1. event date2026-09-30
    13G/A 7,837,484 shares
    Share basis changed not comparable

    15.4% of the class. Different basis (group aggregate from 13G/A).

    13G/A 0002012383-26-003315 filed by BlackRock, Inc.
    Accepted , ingested

    A 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.

  2. period ended2024-06-30
    13F 4,615,791 shares
    Change vs previous 13F +384,733 shares

    <0.01% of the 13F portfolio, value $105,101,553.

    13F-HR 0001086364-24-008417 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2024-03-31
    13F 4,231,058 shares
    Change vs previous 13F +37,171 shares

    <0.01% of the 13F portfolio, value $128,708,776.

    13F-HR 0001086364-24-007638 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2023-12-31
    13F 4,193,887 shares
    Change vs previous 13F +235,245 shares

    <0.01% of the 13F portfolio, value $149,679,814.

    13F-HR 0001086364-24-006999 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2023-09-30
    13F 3,958,642 shares
    Change vs previous 13F +43,850 shares

    <0.01% of the 13F portfolio, value $173,388,505.

    13F-HR 0001306550-23-010335 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2023-06-30
    13F 3,914,792 shares
    Change vs previous 13F +58,501 shares

    0.01% of the 13F portfolio, value $193,234,115.

    13F-HR 0001306550-23-009732 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2023-03-31
    13F 3,856,291 shares
    Change vs previous 13F +120,525 shares

    <0.01% of the 13F portfolio, value $159,843,247.

    13F-HR 0001086364-23-000015 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2022-12-31
    13F 3,735,766 shares
    Change vs previous 13F +152,221 shares

    0.01% of the 13F portfolio, value $165,793,283.

    13F-HR 0000913414-23-000035 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  9. period ended2022-09-30
    13F 3,583,545 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $140,116,000.

    13F-HR 0001086364-22-000004 filed by BlackRock Inc.
    Filed (acceptance time not in the bulk data set), ingested

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