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Disclosery

PEAK6 LLC: MSTR position timeline

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

PEAK6 LLC held 388,347 MSTR 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 388,347 shares
    Change vs previous 13F +388,347 shares

    0.82% of the 13F portfolio, value $33,759,005.

    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 0 shares
    Change vs previous 13F -361,655 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-12-31
    13F/A 361,655 shares
    Change vs previous 13F +61,201 shares

    1.5% of the 13F portfolio, value $54,953,477.

    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 300,454 shares
    Change vs previous 13F +300,451 shares

    2.43% of the 13F portfolio, value $96,809,283.

    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).

  5. period ended2025-06-30
    13F/A 3 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,159.

    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).