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DEAN INVESTMENT ASSOCIATES, LLC: ATKR position timeline

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

DEAN INVESTMENT ASSOCIATES, LLC held 59,785 ATKR shares at 2026-06-30 per its 13F-HR/A filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 59,785 shares
    Change vs previous 13F +46,324 shares

    0.44% of the 13F portfolio, value $4,546,051.

    13F-HR/A 0000846797-26-000004 filed by DEAN INVESTMENT ASSOCIATES, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • DEAN INVESTMENT ASSOCIATES, LLC: 34,631 shares
    • Dean Capital Management: 25,154 shares

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

  2. period ended2026-03-31
    13F 13,461 shares
    Change vs previous 13F -33,279 shares

    0.08% of the 13F portfolio, value $792,988.

    13F-HR 0000846797-26-000002 filed by DEAN INVESTMENT ASSOCIATES, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • DEAN INVESTMENT ASSOCIATES, LLC: 7,879 shares
    • Dean Capital Management: 5,582 shares

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

  3. period ended2025-12-31
    13F 46,740 shares
    Change vs previous 13F +6,634 shares

    0.32% of the 13F portfolio, value $2,956,305.

    13F-HR 0000846797-26-000001 filed by DEAN INVESTMENT ASSOCIATES, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • DEAN INVESTMENT ASSOCIATES, LLC: 27,819 shares
    • Dean Capital Management: 18,921 shares

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

  4. period ended2025-09-30
    13F 40,106 shares
    Change vs previous 13F -14,268 shares

    0.26% of the 13F portfolio, value $2,516,250.

    13F-HR 0000846797-25-000005 filed by DEAN INVESTMENT ASSOCIATES, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • DEAN INVESTMENT ASSOCIATES, LLC: 21,981 shares
    • Dean Capital Management: 18,125 shares

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

  5. period ended2025-06-30
    13F 54,374 shares
    Change vs previous 13F not available

    0.42% of the 13F portfolio, value $3,836,086.

    13F-HR 0000846797-25-000004 filed by DEAN INVESTMENT ASSOCIATES, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • DEAN INVESTMENT ASSOCIATES, LLC: 30,121 shares
    • Dean Capital Management: 24,253 shares

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