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Disclosery

Boston Trust Walden Corp: ATKR position timeline

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

Boston Trust Walden Corp held 367,806 ATKR shares at 2026-06-30 per its 13F-HR filed 2026-08-04.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 367,806 shares
    Change vs previous 13F +367,806 shares

    0.02% of the 13F portfolio, value $27,871,270.

    13F-HR 0001386060-26-000035 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-03-31
    13F 0 shares
    Change vs previous 13F -272,939 shares

    13F-HR 0001534866-25-000007 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  3. period ended2024-12-31
    13F 272,939 shares
    Change vs previous 13F -607,838 shares

    0.16% of the 13F portfolio, value $22,776,759.

    13F-HR 0001534866-25-000002 filed by Boston Trust Walden Corp
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 0 shares
    • Boston Trust Walden Corp: 272,939 shares

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

  4. period ended2024-09-30
    13F 880,777 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $74,638,161.

    13F-HR 0001085146-24-005518 filed by Boston Partners
    Filed (acceptance time not in the bulk data set), ingested

    • Boston Partners: 692,422 shares
    • Boston Trust Walden Corp: 188,355 shares

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