PEAK6 LLC

Q1 2026 13F-HR Detailed Holdings

Location
Austin, TX
Holdings as of
3/31/2026
Value ($000)
$42,606,926,063
Num holdings
2,703
Date filed
5/14/2026
Form type
13F-HR
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SEC
View on sec.gov
Note
Holdings broken out by “other managers” reported in original SEC filing, see here for holdings aggregated across other managers
Issuer Name Class CUSIP Value ($000) % Shares Principal Option Type Discretion Other Manager Sole Shared None Price Filed
5/14/2026
 Price As-Of
3/31/2026
 Price Now
6/23/2026

Other Managers

Num Name File Number
1 PEAK6 Investments LLC 028-18926
2 PEAK6 Capital Management LLC 028-12348
3 PEAK6 Group LLC 028-12352
4 APEX CLEARING CORPORATION 028-17307
6 PEAK6 Foundation