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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
ABX
901
PUT
Abacus Global Management
ABX
$1B
– –
-8,500
Closed -$48.7K
ACHR.WS icon
902
Archer Aviation Redeemable Warrants
ACHR.WS
$22.5M
– –
-43,837
Closed -$96K
ADM icon
903
Archer Daniels Midland
ADM
$40.1B
– –
-6,790
Closed -$406K
ADSK icon
904
CALL
Autodesk
ADSK
$47.7B
– –
-2,000
Closed -$635K
ADT icon
905
CALL
ADT
ADT
$5.24B
– –
-1,000
Closed -$8.71K
AEF
906
abrdn Emerging Markets Equity Income Fund
AEF
$352M
– –
-31,688
Closed -$205K
AI icon
907
CALL
C3.ai
AI
$1.37B
– –
-22,800
Closed -$395K
AJG icon
908
PUT
Arthur J. Gallagher & Co
AJG
$65.1B
– –
-1,000
Closed -$310K
ALE
909
DELISTED
Allete
ALE
– –
-52,767
Closed -$3.5M
ALE
910
PUT
DELISTED
Allete
ALE
– –
-54,400
Closed -$3.61M
ALIT icon
911
Alight
ALIT
$520M
– –
-10,952
Closed -$714K
ALNY icon
912
Alnylam Pharmaceuticals
ALNY
$37.2B
– –
-2,010
Closed -$917K
ALNY icon
913
PUT
Alnylam Pharmaceuticals
ALNY
$37.2B
– –
-400
Closed -$182K
AMAT icon
914
CALL
Applied Materials
AMAT
$410B
– –
-1,500
Closed -$307K
AMBA icon
915
PUT
Ambarella
AMBA
$2.99B
– –
-7,000
Closed -$578K
AMPX.WS icon
916
Amprius Technologies Warrants
AMPX.WS
$383M
– –
-114,343
Closed -$418K
ANSCW
917
Agriculture & Natural Solutions Acquisition Corp Warrant
ANSCW
– –
-262,100
Closed -$70.4K
APA icon
918
CALL
APA Corp
APA
$12.3B
– –
-10,000
Closed -$243K
APA icon
919
PUT
APA Corp
APA
$12.3B
– –
-5,000
Closed -$121K
APD icon
920
PUT
Air Products & Chemicals
APD
$65.2B
– –
-1,000
Closed -$271K
APLD icon
921
Applied Digital
APLD
$7.54B
– –
-2,786
Closed -$80.2K
APPN icon
922
CALL
Appian
APPN
$1.88B
– –
-5,900
Closed -$180K
APPN icon
923
PUT
Appian
APPN
$1.88B
– –
-5,000
Closed -$153K
ARIS
924
DELISTED
Aris Water Solutions
ARIS
– –
-169,003
Closed -$4.17M
ARKK icon
925
PUT
ARK Innovation ETF
ARKK
$5.74B
– –
-10,000
Closed -$863K
35 36
37
38 39

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NSCM
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KA
Klingman & Associates New York $2.09B AUM 16.49% 1-Year Est. Return
ACG
Aventail Capital Group New York $2.09B AUM 43.81% 1-Year Est. Return
NSUP
NLB Skladi upravljanje premozenja Ljubljana $2.09B AUM
IHAM
Integral Health Asset Management New York $2.09B AUM 112.84% 1-Year Est. Return
TP
Third Point New York $2.08B AUM 27.04% 1-Year Est. Return
ACP
Avantyr Capital Partners New York $2.08B AUM
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.