PEAK6 LLC — 13F holdings

PEAK6 LLC reported 2,732 holdings worth $48.6B in its 13F filing for Q2 2026, filed August 13, 2026.

Largest positions

1. QQQ Invesco Qqq Tr — $3.88B (8.0%)
2. TSLA TESLA INC — $2.43B (5.0%)
3. MU MICRON TECHNOLOGY INC — $2.29B (4.7%)
4. TLT ISHARES TR — $1.44B (3.0%)
5. CRWV COREWEAVE INC — $1.38B (2.8%)
6. META META PLATFORMS INC — $1.10B (2.3%)
7. SMH VANECK ETF TRUST — $1.05B (2.2%)
8. TSM TAIWAN SEMICONDUCTOR MFG LTD — $881M (1.8%)
9. MSFT MICROSOFT CORP — $846M (1.7%)
10. AMD ADVANCED MICRO DEVICES INC — $813M (1.7%)