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CSS LLC/IL

Location
CHICAGO, IL
Portfolio Value
Small $977,479,615
Diversification
Diversified
Filing Date
Global Rank
#1,981 / 8,696 ▲ 627
Top Industry
Shell Companies 16.1%
Period ended 2 months ago
Filed Aug 14, 2026 · 29d
26 quarters · since Mar 2020

Portfolio Concentration

651 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
5.5%
+0.9 pts
Top 5
18.2%
+1.8 pts
Top 10
27.3%
+1.3 pts
HHI
112
Sep 2023 → Jun 2026 · range 99 – 475
Diversified+13

Portfolio Trend

26 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Financial Services 28.1% $274,412,283
Technology 23.2% $226,797,016
Healthcare 9.9% $96,403,198
Unclassified 7.3% $71,170,899
Communication Services 7.2% $70,133,272
Consumer Cyclical 7.0% $68,104,687
Industrials 6.1% $59,311,402
Energy 5.8% $56,773,571
Consumer Defensive 1.8% $17,520,199
Utilities 1.7% $16,255,351
Real Estate 1.5% $14,739,903
Basic Materials 0.6% $5,857,834

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open
+168,494 188,375 $9,786,081

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
169,320 $5,140,555
3,784 $1,341,541

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open
78,027 $2,200,361

Portfolio Positions

Export CSV View 13F filing
651 tracked positions · $977,479,615 total · filing declares 1,001 positions · $2,568,508,626 · as of Jun 30, 2026
Showing 1–50 of 651 positions by value · page 1 of 14
Ticker Company Shares Value (USD) % of Portfolio History
PUT CALL + SHARES
76,081 $15,599,648 1.60%
PUT CALL + SHARES
188,375 $9,786,081 1.00%
169,320 $5,140,555 0.53%
497,492 $4,694,179 0.48%

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.