CSS LLC/IL
•CIK: 1103646•Filing: Q4 2025
**CSS LLC/IL** manages $2.1B across a diversified portfolio of 870 positions. The fund exhibits significant concentration in financial institutions, notably holding WFC-PA at $126.5M and UBS at $115.0M. Other key allocations include DSECF ($75.4M), BLK ($61.5M), and VYLD ($56.8M). This structure suggests a focused, large-cap exposure within the financial sector.
Total AUM
$654.9M
+ $342.6M in options
QoQ Performance
+3.3%
Positions
552
+ 161 options
Top 10 Concentration
35.6%
Latest Filing
Q4 2025
Top Holdings Allocation
WEST
WESTERN5.7%
MSTR4.3%
BAC 7.25 PERP L3.0%
GME2.9%
GQ92.5%
VOO2.0%
AAL1.9%
RSP1.8%
📈 Biggest Buys
—PUT
WESTERN DIGITAL CORP
NEW
5.7% of portfolio
+56180.0%
4.3% of portfolio
BAC 7.25 PERP L
BANK AMERICA CORP
+554.9%
3.0% of portfolio
+448.0%
2.5% of portfolio
+14396.4%
1.9% of portfolio
📉 Biggest Sells
SPY
SPDR S&P 500 ETF TR
-83.1%
0.7% of portfolio
—
CANTOR EQUITY PARTNERS IV IN
-81.4%
0.1% of portfolio
KIM 7.25 PERP N
KIMCO RLTY CORP
-27.5%
1.2% of portfolio
QXO 5.5 05/15/28
QXO INC
-50.2%
0.4% of portfolio
-8.3%
2.9% of portfolio
Sector Breakdown
Other93.8%
ETF3.5%
Healthcare0.8%
Technology0.5%
Consumer Staples0.4%
Consumer0.3%
Energy0.3%
Financial0.2%
🚪 Exited Positionssold since Q3 2025
—
SANDISK CORP
SOLD
$37.0M
—
CHINA FD INC
SOLD
$12.8M
—
CHART INDS INC
SOLD
$9.9M
+568 more exited positions
Changes from Q3 2025
NEW33 new positions
↑97 increased
↓47 decreased
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023Q2 2023Q1 2023Q4 2022