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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
ASND icon
926
PUT
Ascendis Pharma A/S
ASND
$16.6B
– –
-2,000
Closed -$398K
ASO icon
927
CALL
Academy Sports + Outdoors
ASO
$3.09B
– –
-4,000
Closed -$200K
ATI icon
928
PUT
ATI
ATI
$26.3B
– –
-5,000
Closed -$407K
AVGO icon
929
Broadcom
AVGO
$1.82T
– –
-40
Closed -$14.3K
AVTR icon
930
Avantor
AVTR
$8.03B
– –
-62,423
Closed -$779K
AXS icon
931
CALL
AXIS Capital
AXS
$8.63B
– –
-2,000
Closed -$192K
BA icon
932
PUT
Boeing
BA
$167B
– –
-2,500
Closed -$540K
BC icon
933
PUT
Brunswick
BC
$5.24B
– –
-4,000
Closed -$253K
BF.B icon
934
PUT
Brown-Forman Class B
BF.B
$12.6B
– –
-10,000
Closed -$271K
BGFV
935
DELISTED
Big 5 Sporting Goods
BGFV
– –
-44,210
Closed -$63.7K
BHF icon
936
CALL
Brighthouse Financial
BHF
$3.63B
– –
-10,000
Closed -$531K
BRK.B icon
937
Berkshire Hathaway Class B
BRK.B
$1.07T
– –
-1,333
Closed -$670K
BWA icon
938
CALL
BorgWarner
BWA
$13.1B
– –
-27,900
Closed -$1.23M
BWXT icon
939
PUT
BWX Technologies
BWXT
$16.2B
– –
-2,000
Closed -$369K
CAR icon
940
Avis
CAR
$5.78B
– –
-740
Closed -$119K
CAR icon
941
PUT
Avis
CAR
$5.78B
– –
-5,500
Closed -$883K
CASY icon
942
PUT
Casey's General Stores
CASY
$31.6B
– –
-1,000
Closed -$565K
CC icon
943
PUT
Chemours
CC
$2.55B
– –
-15,000
Closed -$238K
CCL icon
944
PUT
Carnival Corporation Ltd
CCL
$37.1B
– –
-30,000
Closed -$867K
CCRD
945
DELISTED
CoreCard
CCRD
– –
-36,835
Closed -$992K
CDNS icon
946
PUT
Cadence Design Systems
CDNS
$93.4B
– –
-1,500
Closed -$527K
CHD icon
947
Church & Dwight Co
CHD
$23.4B
– –
-597
Closed -$52.3K
CHD icon
948
PUT
Church & Dwight Co
CHD
$23.4B
– –
-5,000
Closed -$438K
CHN
949
DELISTED
China Fund
CHN
– –
-693,261
Closed -$12.8M
CHWY icon
950
Chewy
CHWY
$8.93B
– –
-521
Closed -$21.1K
36 37
38
39 40

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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.