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Disclosery

RHUMBLINE ADVISERS: ATKR position timeline

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

RHUMBLINE ADVISERS held 46,500 ATKR 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 46,500 shares
    Change vs previous 13F +2,881 shares

    <0.01% of the 13F portfolio, value $3,535,846.

    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 43,619 shares
    Change vs previous 13F -887 shares

    <0.01% of the 13F portfolio, value $2,569,583.

    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 44,506 shares
    Change vs previous 13F -7,668 shares

    <0.01% of the 13F portfolio, value $2,814,994.

    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 52,174 shares
    Change vs previous 13F -1,818 shares

    <0.01% of the 13F portfolio, value $3,273,382.

    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 53,992 shares
    Change vs previous 13F +1,136 shares

    <0.01% of the 13F portfolio, value $3,809,123.

    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 52,856 shares
    Change vs previous 13F +1,616 shares

    <0.01% of the 13F portfolio, value $3,170,812.

    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 51,240 shares
    Change vs previous 13F -1,278 shares

    <0.01% of the 13F portfolio, value $4,275,963.

    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 52,518 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,450,355.

    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).