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CSS LLC Portfolio holdings

AUM $2.09B
1-Year Est. Return 59.56%
This Fund
S&P 500
This Quarter Est. Return
+1.03%
1 Year Est. Return
+59.56%
3 Year Est. Return
+106.78%
5 Year Est. Return
+137.14%
10 Year Est. Return
+420.84%
AUM
$2.25B
AUM Growth
+$20.4M
Cap. Flow
-$930M
Cap. Flow %
-41.32%
Top 10 Hldgs %
29.81%
Holding
1,283
New
283
Increased
216
Reduced
226
Closed
284

Top Buys

Rank Stock Value
1
BAC.PRL icon
Bank of America Series L
BAC.PRL
+$25.2M
2
CORZW icon
Core Scientific Inc Tranche 1 Warrants
CORZW
+$11.2M
3
BRR
ProCap Financial Inc
BRR
+$10.9M
4
SOFI icon
SoFi Technologies
SOFI
+$10M
5
DMII
Drugs Made In America Acquisition II Corp
DMII
+$7.97M

Top Sells

Rank Stock Value
1
CHN
China Fund
CHN
+$12.8M
2
BRKRP
Bruker Corporation 6.375% Series A Preferred Stock
BRKRP
+$10.8M
3
GTLS.PRB
Chart Industries 6.75% Series B Preferred Stock
GTLS.PRB
+$9.9M
4
WOLF icon
Wolfspeed
WOLF
+$8.58M
5
DMIIU
Drugs Made In America Acquisition II Corp Unit
DMIIU
+$8.13M

Sector Composition

Rank Sector Weight
1 Financials 6.38%
2 Technology 2.66%
3 Healthcare 2.09%
4 Industrials 1.72%
5 Consumer Discretionary 1.29%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
UGI icon
1126
CALL
UGI
UGI
$7.93B
– –
-300
Closed -$9.98K
UGI icon
1127
UGI
UGI
$7.93B
– –
-35,800
Closed -$1.19M
UGI icon
1128
PUT
UGI
UGI
$7.93B
– –
-76,000
Closed -$2.53M
UNH icon
1129
CALL
UnitedHealth
UNH
$380B
– –
-1,600
Closed -$552K
UNH icon
1130
UnitedHealth
UNH
$380B
– –
-20
Closed -$6.91K
UPS icon
1131
PUT
United Parcel Service
UPS
$96.3B
– –
-3,000
Closed -$251K
VBTX
1132
DELISTED
Veritex Holdings
VBTX
– –
-14,348
Closed -$481K
VET icon
1133
Vermilion Energy
VET
$1.64B
– –
-40,422
Closed -$316K
VLO icon
1134
CALL
Valero Energy
VLO
$90.2B
– –
-2,000
Closed -$341K
VLY icon
1135
Valley National Bancorp
VLY
$7.93B
– –
-46,090
Closed -$489K
VRNA
1136
CALL
DELISTED
Verona Pharma
VRNA
– –
-2,500
Closed -$267K
VRNA
1137
DELISTED
Verona Pharma
VRNA
– –
-46,100
Closed -$4.92M
VRNA
1138
PUT
DELISTED
Verona Pharma
VRNA
– –
-3,700
Closed -$395K
VSTA
1139
DELISTED
Vasta Platform
VSTA
– –
-35,578
Closed -$177K
VYX icon
1140
NCR Voyix
VYX
$1.14B
– –
-10,836
Closed -$136K
WBD icon
1141
PUT
Warner Bros
WBD
$63.7B
– –
-10,000
Closed -$195K
WDAY icon
1142
CALL
Workday
WDAY
$37B
– –
-1,000
Closed -$241K
WES icon
1143
PUT
Western Midstream Partners
WES
$19.4B
– –
-21,100
Closed -$829K
WHR icon
1144
PUT
Whirlpool
WHR
$2.46B
– –
-9,000
Closed -$707K
WNS
1145
DELISTED
WNS Holdings
WNS
– –
-20,473
Closed -$1.56M
WNS
1146
PUT
DELISTED
WNS Holdings
WNS
– –
-17,000
Closed -$1.3M
WOLF icon
1147
Wolfspeed
WOLF
$1.18B
– –
-300,055
Closed -$8.58M
WOLF icon
1148
PUT
Wolfspeed
WOLF
$1.18B
– –
-19,411
Closed -$555K
XEL icon
1149
CALL
Xcel Energy
XEL
$50.2B
– –
-6,200
Closed -$500K
XLE icon
1150
State Street Energy Select Sector SPDR ETF
XLE
$39.1B
– –
-12,628
Closed -$562K
44 45
46
47 48

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KA
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ACG
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NSUP
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IHAM
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TP
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ACP
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ACM
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CSS LLC's Q4 2025 Portfolio in Review

As of Q4 2025, CSS LLC held 1,283 positions worth $2.25B, up 0.91% from $2.23B the previous quarter. Its ten largest holdings account for 30% of the portfolio.

CSS LLC withdrew a net $930M in Q4 2025, closing 284 positions and reducing 226 holdings. Its most notable exit was China Fund, an estimated $12.8M position sold in full.

By sector, the portfolio is most concentrated in Financials at 6.4% of assets, up from 5% a quarter earlier, followed by Technology and Healthcare.

Against the trend, CSS LLC opened a new position in SoFi Technologies worth $9.4M.

  • CSS LLC's largest Q4 2025 buy was SoFi Technologies: 358,863 shares worth $9.4M.
  • CSS LLC added most to Bank of America Series L in Q4 2025, an estimated $25.2M increase.
  • CSS LLC's biggest Q4 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $7.2M.
  • CSS LLC fully exited China Fund in Q4 2025, selling an estimated $12.8M.
  • CSS LLC's ten largest holdings make up 30% of its $2.25B portfolio in Q4 2025.
  • CSS LLC opened 283 new positions and closed 284 in Q4 2025.
  • CSS LLC's portfolio value rose 0.91% quarter-over-quarter to $2.25B.

Based on CSS LLC's 13F filing for Q4 2025, filed 17 Feb 2026.