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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
CI icon
626
CALL
Cigna
CI
$77B
$275K 0.01%
1,000
-500
-33% -$140K
ROOT icon
627
PUT
Root
ROOT
$944M
$267K 0.01%
+3,700
New +$295K
TPR icon
628
Tapestry
TPR
$29.8B
$267K 0.01%
2,090
+460
+28% +$52.6K
TEAM icon
629
Atlassian
TEAM
$24.3B
$264K 0.01%
1,630
-140
-8% -$22K
ADSK icon
630
Autodesk
ADSK
$47.7B
$263K 0.01%
+890
New +$269K
REGN icon
631
Regeneron Pharmaceuticals
REGN
$69.9B
$262K 0.01%
+340
New +$231K
ANET icon
632
CALL
Arista Networks
ANET
$215B
$262K 0.01%
2,000
-1,000
-33% -$138K
INSM icon
633
PUT
Insmed
INSM
$22.7B
$261K 0.01%
+1,500
New +$274K
NTNX icon
634
PUT
Nutanix
NTNX
$15.4B
$258K 0.01%
5,000
– –
BRO icon
635
Brown & Brown
BRO
$23.6B
$258K 0.01%
+3,240
New +$270K
FFIV icon
636
PUT
F5
FFIV
$23B
$255K 0.01%
+1,000
New +$269K
KKR icon
637
PUT
KKR & Co
KKR
$91.3B
$255K 0.01%
+2,000
New +$249K
PDX
638
PIMCO Dynamic Income Strategy Fund
PDX
$951M
$253K 0.01%
13,460
– –
OMC icon
639
Omnicom Group
OMC
$23.5B
$253K 0.01%
+3,130
New +$239K
OKLO
640
PUT
Oklo
OKLO
$7.27B
$251K 0.01%
+3,500
New +$390K
NGD
641
DELISTED
New Gold Inc
NGD
$250K 0.01%
+28,700
New +$216K
SNCR
642
DELISTED
Synchronoss Technologies
SNCR
$249K 0.01%
+29,110
New +$180K
OPP
643
RiverNorth/DoubleLine Strategic Opportunity Fund
OPP
$191M
$249K 0.01%
+31,339
New +$254K
AKAM icon
644
Akamai
AKAM
$16.4B
$245K 0.01%
+2,810
New +$231K
WU icon
645
Western Union
WU
$2.55B
$244K 0.01%
26,215
-88,680
-77% -$783K
F icon
646
CALL
Ford
F
$58.5B
$241K 0.01%
+18,400
New +$237K
DXC icon
647
DXC Technology
DXC
$1.68B
$241K 0.01%
16,460
-16,020
-49% -$220K
RVMD icon
648
PUT
Revolution Medicines
RVMD
$40B
$239K 0.01%
+3,000
New +$197K
VCICW
649
DELISTED
Vine Hill Capital Investment Corp Warrant
VCICW
$238K 0.01%
132,383
-625,000
-83% -$1.11M
NOVT icon
650
PUT
Novanta
NOVT
$5.01B
$238K 0.01%
+2,000
New +$228K
24 25
26
27 28

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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.