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PEAK6 LLC

Position in COST — Costco Wholesale Corp /New

CIK 1389958 AUSTIN, TX

Position in COST

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$8,487,518
-$2,135,421 QoQ
Shares Held
9,073
-14.9% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#974
of 4,178 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in COST Over Time

Shares Held

Position Value (USD)

Derivatives in COST

reported options exposure · as of Jun 30, 2026
CallValue
$8,045,042
CallShares
8,600
PutValue
$52,012,132
PutShares
55,600

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Discount Stores

Consumer Defensive · as of Jun 30, 2026

PEAK6 LLC holds $27,781,356 across 7 Discount Stores names. COST ranks #2 (30.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 COST
Costco Wholesale Corp /New
This page
9,073 $8,487,518

All Filings in COST

Export CSV
20 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,045,042 8,600
2026-06-30 $52,012,132 55,600
2026-06-30 $8,487,518 9,073
2026-03-31 $43,245,062 43,400
2026-03-31 $10,622,939 10,661
2026-03-31 $13,352,162 13,400
2025-12-31 $17,246,800 20,000
2025-12-31 $2,587 3
2025-12-31 $54,499,888 63,200
2025-09-30 $25,547,388 27,600
2025-09-30 $17,401,844 18,800
2025-06-30 $989 1
2025-06-30 $57,911,490 58,500
2025-06-30 $55,337,646 55,900
2025-03-31 $179,130,732 189,400
2025-03-31 $46,059,486 48,700
2025-03-31 $2,837 3
2024-12-31 $50,944,612 55,600
2024-12-31 $221,279,205 241,500
2024-12-31 $11,539,503 12,594