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Disclosery

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS: ATI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS on ATI, newest first. How the timeline and the estimate are built.

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS held 32,671 ATI shares at 2026-06-30 per its 13F-HR filed 2026-07-17.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 32,671 shares
    Change vs previous 13F -1,370 shares

    0.03% of the 13F portfolio, value $6,439,454.

    13F-HR 0001083190-26-000007 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 34,041 shares
    Change vs previous 13F +42 shares

    0.03% of the 13F portfolio, value $4,951,604.

    13F-HR 0001083190-26-000004 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 33,999 shares
    Change vs previous 13F -1,375 shares

    0.02% of the 13F portfolio, value $3,901,725.

    13F-HR 0001083190-26-000002 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 35,374 shares
    Change vs previous 13F -871 shares

    0.01% of the 13F portfolio, value $2,877,321.

    13F-HR 0001083190-25-000011 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 36,245 shares
    Change vs previous 13F +2,148 shares

    0.02% of the 13F portfolio, value $3,129,393.

    13F-HR 0001083190-25-000006 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 34,097 shares
    Change vs previous 13F +3,645 shares

    0.01% of the 13F portfolio, value $1,774,067.

    13F-HR 0001083190-25-000004 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 30,452 shares
    Change vs previous 13F +3,848 shares

    0.01% of the 13F portfolio, value $1,676,078.

    13F-HR 0001083190-25-000002 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    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 26,604 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,780,074.

    13F-HR 0001083190-24-000010 filed by COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
    Filed (acceptance time not in the bulk data set), ingested

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