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Disclosery

PEAK6 LLC: GFS position timeline

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

PEAK6 LLC held 55,958 GFS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 55,958 shares
    Change vs previous 13F -65,773 shares

    0.11% of the 13F portfolio, value $4,611,499.

    13F-HR 0001389958-26-000014 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).

  2. period ended2026-03-31
    13F 121,731 shares
    Change vs previous 13F +93,932 shares

    0.16% of the 13F portfolio, value $5,414,595.

    13F-HR 0001389958-26-000013 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 ended2025-12-31
    13F/A 27,799 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $970,741.

    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).