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Walleye Trading LLC

Position in BLK — BlackRock, Inc.

CIK 1388391 NEW YORK, NY

Position in BLK

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$1,146,179
+$1,146,179 QoQ
Shares Held
1,192
Ownership
0.000%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1,130
of 2,275 holders
Holding Since
Dec 2024
7 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
$22,308,192
CallShares
23,200
PutValue
$27,596,772
PutShares
28,700

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

Walleye Trading LLC holds $100,874,683 across 17 Asset Management names. BLK ranks #8 (1.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 BLK
BlackRock, Inc.
This page
1,192 $1,146,179

All Filings in BLK

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $22,308,192 23,200
2026-06-30 $27,596,772 28,700
2026-06-30 $1,146,179 1,192
2026-03-31 $70,493,343 73,300
2026-03-31 $21,446,133 22,300
2025-12-31 $3,240,989 3,028
2025-12-31 $29,862,486 27,900
2025-12-31 $25,152,990 23,500
2025-09-30 $26,115,488 22,400
2025-09-30 $25,299,379 21,700
2025-06-30 $27,700,200 26,400
2025-06-30 $34,730,175 33,100
2025-03-31 $11,831,000 12,500
2025-03-31 $17,983,120 19,000
2025-03-31 $298,141 315
2024-12-31 $7,619,642 7,433
2024-12-31 $10,353,611 10,100
2024-12-31 $20,809,733 20,300