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SummerHaven Investment Management, LLC: ATKR position timeline

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

SummerHaven Investment Management, LLC held 9,330 ATKR shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 9,330 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $709,453.

    13F-HR 0001420506-26-001266 filed by SummerHaven Investment Management, 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 9,330 shares
    Change vs previous 13F -1,866 shares

    0.34% of the 13F portfolio, value $549,630.

    13F-HR 0001420506-26-000730 filed by SummerHaven Investment Management, 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 11,196 shares
    Change vs previous 13F 0 shares

    0.4% of the 13F portfolio, value $708,147.

    13F-HR 0001420506-26-000134 filed by SummerHaven Investment Management, 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 11,196 shares
    Change vs previous 13F +4,913 shares

    0.41% of the 13F portfolio, value $702,437.

    13F-HR 0001420506-25-002962 filed by SummerHaven Investment Management, 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 6,283 shares
    Change vs previous 13F +244 shares

    0.29% of the 13F portfolio, value $443,266.

    13F-HR 0001420506-25-001523 filed by SummerHaven Investment Management, 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 6,039 shares
    Change vs previous 13F +177 shares

    0.25% of the 13F portfolio, value $362,280.

    13F-HR 0001420506-25-000766 filed by SummerHaven Investment Management, 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 5,862 shares
    Change vs previous 13F 0 shares

    0.3% of the 13F portfolio, value $489,184.

    13F-HR 0001420506-25-000029 filed by SummerHaven Investment Management, 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 5,862 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $496,746.

    13F-HR 0001941040-24-000440 filed by SummerHaven Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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