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Disclosery

PEAK6 LLC: ATMU position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of PEAK6 LLC on ATMU, newest first. How the timeline and the estimate are built.

PEAK6 LLC held 0 ATMU shares at 2025-12-31 per its 13F-HR/A filed 2026-03-12.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F/A 0 shares
    Change vs previous 13F -43,558 shares

    13F-HR/A 0001389958-26-000008 filed by PEAK6 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.

  2. period ended2025-09-30
    13F/A 43,558 shares
    Change vs previous 13F -20,065 shares

    0.05% of the 13F portfolio, value $1,964,030.

    13F-HR/A 0001389958-26-000011 filed by PEAK6 LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F/A 63,623 shares
    Change vs previous 13F -7,270 shares

    0.08% of the 13F portfolio, value $2,317,150.

    13F-HR/A 0001389958-26-000010 filed by PEAK6 LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 70,893 shares
    Change vs previous 13F -8,039 shares

    0.1% of the 13F portfolio, value $2,603,900.

    13F-HR 0001389958-25-000011 filed by PEAK6 LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 78,932 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $3,092,556.

    13F-HR 0001389958-25-000006 filed by PEAK6 LLC
    Filed (acceptance time not in the bulk data set), ingested

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