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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
+2.83%
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
$2.09B
AUM Growth
-$162M
Cap. Flow
-$866M
Cap. Flow %
-41.48%
Top 10 Hldgs %
32%
Holding
1,256
New
272
Increased
195
Reduced
264
Closed
296

Top Buys

Rank Stock Value
1
NEE.PRV
NextEra Energy Inc 7.375% Corporate Units
NEE.PRV
+$27M
2
APO.PRA icon
Apollo Global Management Series A
APO.PRA
+$17.2M
3
ALB.PRA icon
Albemarle Corp Depositary Shares
ALB.PRA
+$13.9M
4
PEN icon
Penumbra
PEN
+$12.2M
5
EP.PRC icon
El Paso Energy Capital Trust I
EP.PRC
+$10.3M

Top Sells

Rank Stock Value
1
BAC.PRL icon
Bank of America Series L
BAC.PRL
+$16.5M
2
SOFI icon
SoFi Technologies
SOFI
+$7.56M
3
IRHOU
Iron Horse Acquisitions II Corp Units
IRHOU
+$7.34M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$7.24M
5
DMII
Drugs Made In America Acquisition II Corp
DMII
+$6.93M

Sector Composition

Rank Sector Weight
1 Financials 7.91%
2 Healthcare 3.17%
3 Technology 2.72%
4 Industrials 1.59%
5 Consumer Discretionary 1.35%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CDTX
926
DELISTED
Cidara Therapeutics
CDTX
– –
-13,500
Closed -$2.98M
CDTX
927
PUT
DELISTED
Cidara Therapeutics
CDTX
– –
-3,000
Closed -$663K
CELH icon
928
Celsius Holdings
CELH
$7.33B
– –
-3,366
Closed -$154K
CELH icon
929
PUT
Celsius Holdings
CELH
$7.33B
– –
-5,000
Closed -$229K
CFLT
930
PUT
DELISTED
Confluent
CFLT
– –
-23,000
Closed -$696K
CI icon
931
CALL
Cigna
CI
$77.2B
– –
-1,000
Closed -$275K
CIO
932
DELISTED
City Office REIT
CIO
– –
-207,013
Closed -$1.45M
CIO
933
PUT
DELISTED
City Office REIT
CIO
– –
-1,300
Closed -$9.09K
CLSK icon
934
CALL
CleanSpark
CLSK
$3.58B
– –
-12,500
Closed -$127K
CMA
935
DELISTED
Comerica
CMA
– –
-27,879
Closed -$2.42M
CNC icon
936
CALL
Centene
CNC
$31.7B
– –
-15,000
Closed -$617K
CNXC icon
937
Concentrix
CNXC
$1.52B
– –
-12,990
Closed -$540K
COR icon
938
Cencora
COR
$60.8B
– –
-1,430
Closed -$483K
CPRT icon
939
Copart
CPRT
$27.4B
– –
-3,990
Closed -$156K
CPRT icon
940
PUT
Copart
CPRT
$27.4B
– –
-5,000
Closed -$196K
CRWD icon
941
CrowdStrike
CRWD
$186B
– –
-2,640
Closed -$309K
CRWD icon
942
PUT
CrowdStrike
CRWD
$186B
– –
-14,400
Closed -$1.69M
CSGP icon
943
CALL
CoStar Group
CSGP
$12.1B
– –
-561
Closed -$37.7K
CSGP icon
944
PUT
CoStar Group
CSGP
$12.1B
– –
-3,000
Closed -$202K
CSIQ icon
945
Canadian Solar
CSIQ
$915M
– –
-25,437
Closed -$605K
CSIQ icon
946
PUT
Canadian Solar
CSIQ
$915M
– –
-27,600
Closed -$656K
CVAC
947
DELISTED
CureVac
CVAC
– –
-506,847
Closed -$2.29M
CVAC
948
PUT
DELISTED
CureVac
CVAC
– –
-17,300
Closed -$78.2K
CYBR
949
DELISTED
CyberArk
CYBR
– –
-7,094
Closed -$3.16M
DAVEW icon
950
Dave Inc Warrants
DAVEW
$33.8M
– –
-7,495
Closed -$221K
36 37
38
39 40

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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
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
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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 Q1 2026 Portfolio in Review

As of Q1 2026, CSS LLC held 1,256 positions worth $2.09B, down 7.2% from $2.25B the previous quarter. Its ten largest holdings account for 32% of the portfolio.

CSS LLC withdrew a net $866M in Q1 2026, closing 296 positions and reducing 264 holdings. Its most notable exit was SoFi Technologies, an estimated $7.56M position sold in full.

By sector, the portfolio is most concentrated in Financials at 7.9% of assets, up from 6.4% a quarter earlier, followed by Healthcare and Technology.

Against the trend, CSS LLC opened a new position in NextEra Energy Inc 7.375% Corporate Units worth $27.2M.

  • CSS LLC's largest Q1 2026 buy was NextEra Energy Inc 7.375% Corporate Units: 540,739 shares worth $27.2M.
  • CSS LLC added most to Apollo Global Management Series A in Q1 2026, an estimated $17.2M increase.
  • CSS LLC's biggest Q1 2026 reduction was Bank of America Series L, cutting an estimated $16.5M.
  • CSS LLC fully exited SoFi Technologies in Q1 2026, selling an estimated $7.56M.
  • CSS LLC's ten largest holdings make up 32% of its $2.09B portfolio in Q1 2026.
  • CSS LLC opened 272 new positions and closed 296 in Q1 2026.
  • CSS LLC's portfolio value fell 7.2% quarter-over-quarter to $2.09B.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.