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PEAK6 LLC

Position in BLK — BlackRock, Inc.

CIK 1389958 AUSTIN, TX

Position in BLK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$250,005
+$247,120 QoQ
Shares Held
260
+8566.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#1,858
of 2,276 holders
Holding Since
Dec 2024
6 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BLK Over Time

Shares Held

Position Value (USD)

Derivatives in BLK

reported options exposure · as of Jun 30, 2026
CallValue
$0
CallShares
0
PutValue
$769,248
PutShares
800

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 Asset Management

Financial Services · as of Jun 30, 2026

PEAK6 LLC holds $45,507,369 across 17 Asset Management names. BLK ranks #16 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BLK

Export CSV
17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $250,005 260
2026-06-30 $769,248 800
2026-03-31 $1,923,420 2,000
2026-03-31 $2,885 3
2026-03-31 $288,513 300
2025-12-31 $1,391,442 1,300
2025-12-31 $3,746,190 3,500
2025-12-31 $4,475,091 4,181
2025-09-30 $3,792,574 3,253
2025-09-30 $7,344,981 6,300
2025-09-30 $8,161,090 7,000
2025-03-31 $1,041,128 1,100
2025-03-31 $3,216,138 3,398
2025-03-31 $9,938,040 10,500
2024-12-31 $1,127,621 1,100
2024-12-31 $4,305,462 4,200
2024-12-31 $390,566 381