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Disclosery

PEAK6 LLC: M position timeline

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

PEAK6 LLC held 0 M 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 -17,833 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 17,833 shares
    Change vs previous 13F -70,927 shares

    0.01% of the 13F portfolio, value $319,746.

    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 88,760 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $1,034,942.

    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).