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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
IBIT icon
601
PUT
iShares Bitcoin Trust
IBIT
$48.2B
$303K 0.01%
6,100
– –
RDAGW
602
Republic Digital Acquisition Co Warrants
RDAGW
$302K 0.01%
521,141
– –
FLEX icon
603
PUT
Flex
FLEX
$42.5B
$302K 0.01%
+5,000
New +$309K
PSKY
604
CALL
Paramount Skydance Corp
PSKY
$8.99B
$302K 0.01%
22,500
-10,200
-31% -$159K
ABNB icon
605
Airbnb
ABNB
$87.2B
$301K 0.01%
+2,220
New +$276K
ACHR icon
606
PUT
Archer Aviation
ACHR
$3.78B
$301K 0.01%
40,000
-18,500
-32% -$174K
LPBBW
607
Launch Two Acquisition Corp Warrant
LPBBW
$300K 0.01%
950,373
– –
CROX icon
608
Crocs
CROX
$6.69B
$298K 0.01%
+3,490
New +$292K
DKS icon
609
PUT
Dick's Sporting Goods
DKS
$18.4B
$297K 0.01%
1,500
-6,500
-81% -$1.42M
ATIIW
610
Archimedes Tech SPAC Partners II Co Warrant
ATIIW
$21.3M
$297K 0.01%
540,426
+7,780
+1% +$3.85K
FFIV icon
611
F5
FFIV
$23B
$296K 0.01%
1,160
-460
-28% -$124K
FDS icon
612
Factset
FDS
$9.46B
$296K 0.01%
+1,020
New +$286K
XEL icon
613
Xcel Energy
XEL
$50.4B
$294K 0.01%
3,983
-4,400
-52% -$347K
VNT icon
614
Vontier
VNT
$4.48B
$291K 0.01%
+7,830
New +$300K
EBAY icon
615
eBay
EBAY
$50.3B
$289K 0.01%
3,320
-1,120
-25% -$97K
NXT icon
616
Nextpower Inc
NXT
$15.7B
$287K 0.01%
3,289
-960
-23% -$87K
CAT icon
617
PUT
Caterpillar
CAT
$402B
$286K 0.01%
+500
New +$278K
FRT icon
618
Federal Realty Investment Trust
FRT
$11B
$284K 0.01%
+2,820
New +$278K
THS
619
CALL
DELISTED
Treehouse Foods
THS
$283K 0.01%
+12,000
New +$262K
IQV icon
620
IQVIA
IQV
$35.6B
$282K 0.01%
1,250
-1,440
-54% -$313K
NFLX icon
621
Netflix
NFLX
$293B
$281K 0.01%
3,000
– –
ERIC icon
622
Ericsson
ERIC
$31.8B
$277K 0.01%
+28,720
New +$272K
TRUE
623
DELISTED
TrueCar
TRUE
$277K 0.01%
+122,500
New +$263K
CCIX
624
Churchill Capital Corp IX
CCIX
$399M
$276K 0.01%
26,000
– –
FTI icon
625
TechnipFMC
FTI
$29.9B
$276K 0.01%
6,200
-450
-7% -$19K
23 24
25
26 27

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NSCM
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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.