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TEACHER RETIREMENT SYSTEM OF TEXAS: ATKR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TEACHER RETIREMENT SYSTEM OF TEXAS on ATKR, newest first. How the timeline and the estimate are built.

TEACHER RETIREMENT SYSTEM OF TEXAS held 4,451 ATKR 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 4,451 shares
    Change vs previous 13F +1,022 shares

    <0.01% of the 13F portfolio, value $338,453.

    13F-HR 0000796848-26-000010 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 3,429 shares
    Change vs previous 13F -27,770 shares

    <0.01% of the 13F portfolio, value $202,002.

    13F-HR 0000796848-26-000002 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 31,199 shares
    Change vs previous 13F +492 shares

    0.01% of the 13F portfolio, value $1,973,337.

    13F-HR 0000796848-26-000001 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 30,707 shares
    Change vs previous 13F +8,391 shares

    0.01% of the 13F portfolio, value $1,926,556.

    13F-HR 0000796848-25-000010 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 22,316 shares
    Change vs previous 13F +1,084 shares

    0.01% of the 13F portfolio, value $1,574,395.

    13F-HR 0000796848-25-000006 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 21,232 shares
    Change vs previous 13F -20,951 shares

    0.01% of the 13F portfolio, value $1,273,708.

    13F-HR 0000796848-25-000004 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 42,183 shares
    Change vs previous 13F +38,512 shares

    0.01% of the 13F portfolio, value $3,520,000.

    13F-HR 0000796848-25-000003 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    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 3,671 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $311,000.

    13F-HR 0000796848-24-000017 filed by TEACHER RETIREMENT SYSTEM OF TEXAS
    Filed (acceptance time not in the bulk data set), ingested

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