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GREAT LAKES ADVISORS, LLC: ATEC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GREAT LAKES ADVISORS, LLC on ATEC, newest first. How the timeline and the estimate are built.

GREAT LAKES ADVISORS, LLC held 280,161 ATEC shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 280,161 shares
    Change vs previous 13F -28,978 shares

    0.02% of the 13F portfolio, value $2,423,393.

    13F-HR 0001078013-26-000004 filed by GREAT LAKES ADVISORS, LLC
    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 309,139 shares
    Change vs previous 13F +30,422 shares

    0.03% of the 13F portfolio, value $3,363,432.

    13F-HR 0001078013-26-000003 filed by GREAT LAKES ADVISORS, LLC
    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 278,717 shares
    Change vs previous 13F +1,226 shares

    0.05% of the 13F portfolio, value $5,864,206.

    13F-HR 0001078013-26-000002 filed by GREAT LAKES ADVISORS, LLC
    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 277,491 shares
    Change vs previous 13F -34,014 shares

    0.03% of the 13F portfolio, value $4,034,719.

    13F-HR 0001078013-25-000008 filed by GREAT LAKES ADVISORS, LLC
    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 311,505 shares
    Change vs previous 13F -13,722 shares

    0.03% of the 13F portfolio, value $3,457,705.

    13F-HR 0001078013-25-000005 filed by GREAT LAKES ADVISORS, LLC
    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 325,227 shares
    Change vs previous 13F -53,960 shares

    0.03% of the 13F portfolio, value $3,297,802.

    13F-HR 0001078013-25-000004 filed by GREAT LAKES ADVISORS, LLC
    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 379,187 shares
    Change vs previous 13F +214,375 shares

    0.03% of the 13F portfolio, value $3,480,936.

    13F-HR 0001078013-25-000002 filed by GREAT LAKES ADVISORS, LLC
    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 164,812 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $916,355.

    13F-HR 0001078013-24-000006 filed by GREAT LAKES ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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