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Maryland State Retirement & Pension System: ATO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Maryland State Retirement & Pension System on ATO, newest first. How the timeline and the estimate are built.

Maryland State Retirement & Pension System held 167,136 ATO shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 167,136 shares
    Change vs previous 13F +10,098 shares

    0.49% of the 13F portfolio, value $28,792,519.

    13F-HR 0001795552-26-000005 filed by Maryland State Retirement & Pension System
    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 157,038 shares
    Change vs previous 13F -2,189 shares

    0.59% of the 13F portfolio, value $29,008,060.

    13F-HR 0001795552-26-000003 filed by Maryland State Retirement & Pension System
    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 159,227 shares
    Change vs previous 13F +2,735 shares

    0.55% of the 13F portfolio, value $26,691,222.

    13F-HR 0001795552-26-000002 filed by Maryland State Retirement & Pension System
    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 156,492 shares
    Change vs previous 13F +5,660 shares

    0.56% of the 13F portfolio, value $26,721,009.

    13F-HR 0001795552-25-000004 filed by Maryland State Retirement & Pension System
    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 150,832 shares
    Change vs previous 13F +8,983 shares

    0.51% of the 13F portfolio, value $23,244,720.

    13F-HR 0001085146-25-004087 filed by Maryland State Retirement & Pension System
    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 141,849 shares
    Change vs previous 13F +5,476 shares

    0.52% of the 13F portfolio, value $21,927,019.

    13F-HR 0001085146-25-002926 filed by Maryland State Retirement & Pension System
    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 136,373 shares
    Change vs previous 13F -3,287 shares

    0.41% of the 13F portfolio, value $18,992,668.

    13F-HR 0001085146-25-000969 filed by Maryland State Retirement & Pension System
    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 139,660 shares
    Change vs previous 13F not available

    0.41% of the 13F portfolio, value $19,372,239.

    13F-HR 0001085146-24-005511 filed by Maryland State Retirement & Pension System
    Filed (acceptance time not in the bulk data set), ingested

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