Skip to content
Disclosery

PEAK6 LLC: REI position timeline

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

PEAK6 LLC held 17,079,382 REI 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 17,079,382 shares
    Change vs previous 13F +15,929,382 shares

    0.45% of the 13F portfolio, value $18,445,733.

    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 1,150,000 shares
    Change vs previous 13F -750,000 shares

    0.05% of the 13F portfolio, value $1,759,500.

    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 1,900,000 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,653,000.

    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).

  4. period ended2025-09-30
    13F/A 1,900,000 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $2,071,000.

    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).