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Walleye Capital LLC: ATKR position timeline

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

Walleye Capital LLC held 17,708 ATKR shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,708 shares
    Change vs previous 13F +11,638 shares

    <0.01% of the 13F portfolio, value $1,346,516.

    13F-HR 0001388391-26-000006 filed by Walleye Trading LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 11,432 shares
    • Walleye Capital LLC: 6,276 shares

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

  2. period ended2026-03-31
    13F/A 6,070 shares
    Change vs previous 13F -40,685 shares

    <0.01% of the 13F portfolio, value $357,584.

    13F-HR/A 0001758720-26-000004 filed by Walleye Capital 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 46,755 shares
    Change vs previous 13F +41,085 shares

    0.02% of the 13F portfolio, value $2,957,254.

    13F-HR 0001758720-26-000002 filed by Walleye Capital 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 5,670 shares
    Change vs previous 13F -85,755 shares

    <0.01% of the 13F portfolio, value $355,736.

    13F-HR 0001172661-25-005014 filed by Walleye Capital 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 91,425 shares
    Change vs previous 13F +61,074 shares

    0.06% of the 13F portfolio, value $6,450,034.

    13F-HR 0001172661-25-003139 filed by Walleye Capital 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 30,351 shares
    Change vs previous 13F +29,820 shares

    0.02% of the 13F portfolio, value $1,820,756.

    13F-HR 0001172661-25-001881 filed by Walleye Capital 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 531 shares
    Change vs previous 13F -21,529 shares

    <0.01% of the 13F portfolio, value $44,312.

    13F-HR 0001172661-25-000826 filed by Walleye Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 0 shares
    • Walleye Capital LLC: 531 shares

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

  8. period ended2024-09-30
    13F 22,060 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,869,365.

    13F-HR 0001172661-24-004791 filed by Walleye Capital LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Walleye Trading LLC: 2,409 shares
    • Walleye Capital LLC: 19,651 shares

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