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Disclosery

SG Americas Securities, LLC: ATKR position timeline

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

SG Americas Securities, LLC held 4,124 ATKR shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 4,124 shares
    Change vs previous 13F -35,071 shares

    <0.01% of the 13F portfolio, value $314,000.

    13F-HR 0001313360-26-000003 filed by SG Americas Securities, 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 39,195 shares
    Change vs previous 13F +7,172 shares

    <0.01% of the 13F portfolio, value $2,309,000.

    13F-HR 0001313360-26-000002 filed by SG Americas Securities, 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 32,023 shares
    Change vs previous 13F +27,794 shares

    <0.01% of the 13F portfolio, value $2,025,000.

    13F-HR 0001313360-26-000001 filed by SG Americas Securities, 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 4,229 shares
    Change vs previous 13F +407 shares

    <0.01% of the 13F portfolio, value $265,000.

    13F-HR 0001313360-25-000008 filed by SG Americas Securities, 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 3,822 shares
    Change vs previous 13F -26,874 shares

    <0.01% of the 13F portfolio, value $270,000.

    13F-HR 0001313360-25-000006 filed by SG Americas Securities, 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 30,696 shares
    Change vs previous 13F +30,696 shares

    0.01% of the 13F portfolio, value $1,841,000.

    13F-HR 0001313360-25-000005 filed by SG Americas Securities, 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 0 shares
    Change vs previous 13F -22,343 shares

    13F-HR 0001313360-25-000001 filed by SG Americas Securities, LLC
    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.

  8. period ended2024-09-30
    13F 22,343 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,893,000.

    13F-HR 0001313360-24-000010 filed by SG Americas Securities, LLC
    Filed (acceptance time not in the bulk data set), ingested

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