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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
INFA
1026
DELISTED
Informatica
INFA
– –
-9,500
Closed -$236K
IONS icon
1027
CALL
Ionis Pharmaceuticals
IONS
$9.23B
– –
-4,000
Closed -$262K
IPG
1028
DELISTED
Interpublic Group of Companies
IPG
– –
-88,093
Closed -$2.46M
JBLU icon
1029
PUT
JetBlue
JBLU
$2.03B
– –
-15,000
Closed -$73.8K
JBL icon
1030
Jabil
JBL
$32.2B
– –
-2,147
Closed -$466K
JEQ
1031
DELISTED
abrdn Japan Equity Fund
JEQ
– –
-46,981
Closed -$370K
JOBY.WS icon
1032
Joby Aviation Warrants
JOBY.WS
– –
-183,055
Closed -$1.1M
JXN icon
1033
CALL
Jackson Financial
JXN
$8.45B
– –
-6,000
Closed -$607K
K
1034
CALL
DELISTED
Kellanova
K
– –
-31,900
Closed -$2.62M
K
1035
DELISTED
Kellanova
K
– –
-74,682
Closed -$6.13M
K
1036
PUT
DELISTED
Kellanova
K
– –
-67,000
Closed -$5.5M
KHC icon
1037
CALL
Kraft Heinz
KHC
$31.1B
– –
-10,000
Closed -$260K
KHC icon
1038
Kraft Heinz
KHC
$31.1B
– –
-9,050
Closed -$236K
KYN icon
1039
Kayne Anderson Energy Infrastructure Fund
KYN
$2.45B
– –
-27,249
Closed -$337K
LCID icon
1040
PUT
Lucid Motors
LCID
$2.59B
– –
-9,500
Closed -$226K
LEN.B icon
1041
Lennar Class B
LEN.B
$20.1B
– –
-2,020
Closed -$242K
LEU icon
1042
Centrus Energy
LEU
$3.4B
– –
-2,480
Closed -$769K
LFST icon
1043
PUT
Lifestance Health
LFST
$4.18B
– –
-10,000
Closed -$55K
LGL.WS
1044
DELISTED
LGL Group Inc Warrants
LGL.WS
– –
-12,215
Closed -$23.5K
LKQ icon
1045
CALL
LKQ Corp
LKQ
$6.72B
– –
-21,500
Closed -$657K
LNC icon
1046
CALL
Lincoln National
LNC
$7.89B
– –
-20,200
Closed -$815K
LNSR icon
1047
CALL
LENSAR
LNSR
$66.1M
– –
-5,000
Closed -$61.8K
LNSR icon
1048
PUT
LENSAR
LNSR
$66.1M
– –
-2,500
Closed -$30.9K
LNTH icon
1049
Lantheus
LNTH
$6.96B
– –
-13,717
Closed -$704K
LQD icon
1050
PUT
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$34.4B
– –
-3,700
Closed -$412K
40 41
42
43 44

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KA
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ACG
Aventail Capital Group New York $2.09B AUM 43.81% 1-Year Est. Return
NSUP
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IHAM
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TP
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ACP
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ACM
Analog Century Management New York $2.09B AUM 186.85% 1-Year Est. Return

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.