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Disclosery

RHUMBLINE ADVISERS: ATEC position timeline

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

RHUMBLINE ADVISERS held 156,812 ATEC shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 156,812 shares
    Change vs previous 13F +13,034 shares

    <0.01% of the 13F portfolio, value $1,356,420.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 143,778 shares
    Change vs previous 13F -2,078 shares

    <0.01% of the 13F portfolio, value $1,564,298.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 145,856 shares
    Change vs previous 13F -22,168 shares

    <0.01% of the 13F portfolio, value $3,068,820.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 168,024 shares
    Change vs previous 13F -4,018 shares

    <0.01% of the 13F portfolio, value $2,443,069.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 172,042 shares
    Change vs previous 13F +23,293 shares

    <0.01% of the 13F portfolio, value $1,909,664.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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/A 148,749 shares
    Change vs previous 13F +9,661 shares

    <0.01% of the 13F portfolio, value $1,508,309.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 139,088 shares
    Change vs previous 13F +1,746 shares

    <0.01% of the 13F portfolio, value $1,276,823.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 137,342 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $763,615.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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