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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
LUMN icon
1051
PUT
Lumen
LUMN
$6.35B
– –
-10,000
Closed -$61.2K
LYB icon
1052
LyondellBasell Industries
LYB
$19.1B
– –
-6,374
Closed -$313K
LYFT icon
1053
CALL
Lyft
LYFT
$5.77B
– –
-10,000
Closed -$220K
MA icon
1054
Mastercard
MA
$487B
– –
-360
Closed -$205K
MA icon
1055
PUT
Mastercard
MA
$487B
– –
-1,500
Closed -$853K
MCD icon
1056
PUT
McDonald's
MCD
$192B
– –
-1,500
Closed -$456K
MGRM
1057
DELISTED
Monogram Orthopaedics
MGRM
– –
-56,161
Closed -$330K
MRVL icon
1058
CALL
Marvell Technology
MRVL
$169B
– –
-5,000
Closed -$420K
MS icon
1059
PUT
Morgan Stanley
MS
$334B
– –
-3,000
Closed -$477K
MTAL
1060
DELISTED
Metals Acquisition
MTAL
– –
-13,000
Closed -$159K
MTSI icon
1061
PUT
MACOM Technology Solutions
MTSI
$19.9B
– –
-4,000
Closed -$498K
MURA
1062
DELISTED
Mural Oncology
MURA
– –
-10,500
Closed -$21.7K
NEM icon
1063
CALL
Newmont
NEM
$98.4B
– –
-5,000
Closed -$422K
NEM icon
1064
Newmont
NEM
$98.4B
– –
-6,170
Closed -$520K
NETDW
1065
DELISTED
Nabors Energy Transition Corp II Warrant
NETDW
– –
-472,155
Closed -$132K
NKE icon
1066
PUT
Nike
NKE
$62.4B
– –
-3,000
Closed -$209K
NNAVW
1067
DELISTED
NextNav Inc Warrant
NNAVW
– –
-600,219
Closed -$3.25M
NRG icon
1068
CALL
NRG Energy
NRG
$28.8B
– –
-2,000
Closed -$324K
NVTS icon
1069
Navitas Semiconductor
NVTS
$2.78B
– –
-1,000
Closed -$9.62K
OMF icon
1070
OneMain Financial
OMF
$7.03B
– –
-7,113
Closed -$402K
ACH
1071
CALL
Accendra Health
ACH
$248M
– –
-10,000
Closed -$48K
ONL
1072
Orion Office REIT
ONL
$151M
– –
-26,657
Closed -$72K
OPFI icon
1073
OppFi
OPFI
$799M
– –
-49,822
Closed -$505K
OPFI icon
1074
PUT
OppFi
OPFI
$799M
– –
-56,300
Closed -$638K
OTIS icon
1075
PUT
Otis Worldwide
OTIS
$27.8B
– –
-2,000
Closed -$183K
41 42
43
44 45

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ACG
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NSUP
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IHAM
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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.