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SpiderRock Advisors, LLC

Location
CHICAGO, IL
Portfolio Value
Mid $6,265,321,412
Diversification
Diversified
Reports for
BlackRock, Inc.
Filing Date
Global Rank
#575 / 7,436 ▲ 85 · as of Sep 2024
Top Industry
Consumer Electronics 20.6%
Period ended 1 year ago
Filed Nov 1, 2024 · 1y
19 quarters · since Mar 2020

Portfolio Concentration

541 tracked positions · as of Sep 30, 2024 · Δ vs Jun 30, 2024
Top Position
17.8%
−1.9 pts
Top 5
41.0%
−0.5 pts
Top 10
51.4%
−0.0 pts
HHI
519
Dec 2021 → Sep 2024 · range 420 – 3,298
Diversified−47

Portfolio Trend

19 quarters · across all stocks

Sector Breakdown

As of Sep 30, 2024
Sector % Portfolio Value
Technology 40.3% $2,525,343,671
Unclassified 13.5% $844,806,497
Consumer Cyclical 9.3% $582,582,610
Financial Services 8.3% $520,885,647
Healthcare 7.4% $464,379,478
Consumer Defensive 6.9% $435,147,517
Industrials 5.3% $332,261,491
Communication Services 4.0% $250,671,236
Energy 2.1% $130,593,349
Utilities 1.4% $84,858,213
Basic Materials 1.3% $79,755,666
Real Estate 0.2% $14,036,037

Last Quarter's Activity

Export CSV
Sep 30, 2024 vs Jun 30, 2024

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open
+201,721 264,038 $0

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
25 positions
Ticker Shares Value Open
26,176 $1,191,269

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
541 tracked positions · $6,265,321,412 total · filing declares 818 positions · $6,285,410,522 · as of Sep 30, 2024
Showing 1–50 of 541 positions by value · page 1 of 11
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.