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PEAK6 LLC

SEC CIK
0001389958
Latest filing
Aug 12, 2026

COST holding history

Costco Wholesale Corp in every 13F filed by PEAK6 LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

COST overviewAll 13F holders of COSTFull Q2 2026 holdings

Shares (Q2 2026)
9,073
Value
$8.49M
% of portfolio
0.2%
Quarters held
6
Since Q4 2024
Holdings of COST by PEAK6 LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20269,073$8.49M0.2%−1,588−14.9%ReducedHolders
Q1 202610,661$10.6M0.3%+10,658+355,266.7%AddedHolders
Q4 20253$2.87K<0.1%+3NewHolders
Q3 20250$00.0%−1−100.0%Sold outHolders
Q2 20251$711<0.1%−2−66.7%ReducedHolders
Q1 20253$2.57K<0.1%−12,591−100.0%ReducedHolders
Q4 202412,594$11.5M0.5%–No prior filingHolders