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Disclosery

VIRGINIA RETIREMENT SYSTEMS ET Al: ATRC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of VIRGINIA RETIREMENT SYSTEMS ET Al on ATRC, newest first. How the timeline and the estimate are built.

VIRGINIA RETIREMENT SYSTEMS ET Al held 17,200 ATRC shares at 2026-06-30 per its 13F-HR filed 2026-08-25.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,200 shares
    Change vs previous 13F +9,300 shares

    <0.01% of the 13F portfolio, value $481,256.

    13F-HR 0001005354-26-000003 filed by VIRGINIA RETIREMENT SYSTEMS ET Al
    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 7,900 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $225,387.

    13F-HR 0001005354-26-000004 filed by VIRGINIA RETIREMENT SYSTEMS ET Al
    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 7,900 shares
    Change vs previous 13F -1,500 shares

    <0.01% of the 13F portfolio, value $312,524.

    13F-HR 0001005354-26-000001 filed by VIRGINIA RETIREMENT SYSTEMS ET Al
    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 9,400 shares
    Change vs previous 13F -300 shares

    <0.01% of the 13F portfolio, value $331,350.

    13F-HR 0001005354-25-000009 filed by VIRGINIA RETIREMENT SYSTEMS ET Al
    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 9,700 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $317,869.

    13F-HR 0001005354-25-000006 filed by VIRGINIA RETIREMENT SYSTEMS ET Al
    Filed (acceptance time not in the bulk data set), ingested

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