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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
KMLM icon
101
KFA Mount Lucas Managed Futures Index Strategy ETF
KMLM
$381M
$2.02M 0.09%
78,027
+5,620
+8% +$150K
DFIV icon
102
Dimensional International Value ETF
DFIV
$20.8B
$2.01M 0.09%
40,350
– –
PLUG icon
103
PUT
Plug Power
PLUG
$2.87B
$2.01M 0.09%
1,017,800
+218,300
+27% +$570K
ASTS icon
104
PUT
AST SpaceMobile
ASTS
$17.1B
$2M 0.09%
27,500
-1,700
-6% -$121K
GAM
105
General American Investors Company
GAM
$1.54B
$1.95M 0.09%
33,268
-1,325
-4% -$80.5K
BDX icon
106
PUT
Becton Dickinson
BDX
$44.1B
$1.92M 0.09%
9,900
– –
QS icon
107
PUT
QuantumScape Corp
QS
$3.12B
$1.9M 0.08%
182,600
+16,500
+10% +$227K
CEPV
108
Cantor Equity Partners V
CEPV
$332M
$1.89M 0.08%
+184,693
New +$1.89M
RUN icon
109
PUT
Sunrun
RUN
$2.35B
$1.89M 0.08%
102,600
-39,400
-28% -$755K
PLTR icon
110
PUT
Palantir
PLTR
$312B
$1.88M 0.08%
10,600
– –
WELL icon
111
PUT
Welltower
WELL
$177B
$1.86M 0.08%
10,000
– –
IVZ icon
112
Invesco
IVZ
$13.2B
$1.85M 0.08%
70,533
-19,404
-22% -$474K
HOLX
113
PUT
DELISTED
Hologic
HOLX
$1.83M 0.08%
+24,600
New +$1.8M
EXPE icon
114
Expedia Group
EXPE
$33.3B
$1.72M 0.08%
6,068
-450
-7% -$111K
CCK icon
115
Crown Holdings
CCK
$12.8B
$1.71M 0.08%
16,589
+8,649
+109% +$843K
SPE
116
Special Opportunities Fund
SPE
$139M
$1.7M 0.08%
115,979
-5,428
-4% -$79.4K
BCS icon
117
Barclays
BCS
$95.1B
$1.69M 0.08%
66,566
-8,175
-11% -$181K
TWN
118
Taiwan Fund
TWN
$484M
$1.69M 0.08%
31,707
-1,717
-5% -$96.1K
CRWD icon
119
PUT
CrowdStrike
CRWD
$186B
$1.69M 0.08%
14,400
+7,600
+112% +$968K
MRK icon
120
Merck
MRK
$325B
$1.68M 0.07%
15,925
-1,730
-10% -$162K
C icon
121
Citigroup
C
$221B
$1.67M 0.07%
14,298
-1,500
-9% -$156K
BHF icon
122
Brighthouse Financial
BHF
$3.63B
$1.65M 0.07%
+25,500
New +$1.5M
SSNC icon
123
SS&C Technologies
SSNC
$18.2B
$1.64M 0.07%
18,800
+1,820
+11% +$155K
EWZ icon
124
iShares MSCI Brazil ETF
EWZ
$9.07B
$1.64M 0.07%
51,520
+10,000
+24% +$316K
AAPL icon
125
PUT
Apple
AAPL
$4.94T
$1.63M 0.07%
6,000
+2,000
+50% +$537K
3 4
5
6 7

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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.