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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
ABNB icon
876
Airbnb
ABNB
$86.5B
– –
-2,220
Closed -$301K
ABR icon
877
Arbor Realty Trust
ABR
$971M
– –
-7,000
Closed -$54.3K
ABR icon
878
PUT
Arbor Realty Trust
ABR
$971M
– –
-7,500
Closed -$58.2K
ACHR icon
879
PUT
Archer Aviation
ACHR
$3.69B
– –
-40,000
Closed -$301K
ADSK icon
880
Autodesk
ADSK
$47.9B
– –
-890
Closed -$263K
AFL icon
881
PUT
Aflac
AFL
$64.5B
– –
-2,000
Closed -$221K
AGO icon
882
Assured Guaranty
AGO
$3.79B
– –
-2,400
Closed -$216K
AKAM icon
883
Akamai
AKAM
$16.2B
– –
-2,810
Closed -$245K
ALB icon
884
PUT
Albemarle
ALB
$13.5B
– –
-5,000
Closed -$707K
AMAT icon
885
Applied Materials
AMAT
$402B
– –
-2,560
Closed -$658K
AMCR icon
886
Amcor
AMCR
$20.9B
– –
-13,657
Closed -$569K
AMD icon
887
CALL
Advanced Micro Devices
AMD
$787B
– –
-500
Closed -$107K
AMLP icon
888
Alerian MLP ETF
AMLP
$12.8B
– –
-7,234
Closed -$340K
AMLP icon
889
PUT
Alerian MLP ETF
AMLP
$12.8B
– –
-10,000
Closed -$470K
AMZN icon
890
Amazon
AMZN
$2.49T
– –
-499
Closed -$115K
AMZN icon
891
PUT
Amazon
AMZN
$2.49T
– –
-4,000
Closed -$923K
ANET icon
892
Arista Networks
ANET
$215B
– –
-1,040
Closed -$139K
APP icon
893
PUT
Applovin
APP
$138B
– –
-700
Closed -$472K
APPF icon
894
PUT
AppFolio
APPF
$6.12B
– –
-1,000
Closed -$233K
ASND icon
895
CALL
Ascendis Pharma A/S
ASND
$16.7B
– –
-2,000
Closed -$426K
ASST icon
896
CALL
Strive Inc
ASST
$1,000M
– –
-250
Closed -$3.69K
ASST icon
897
Strive Inc
ASST
$1,000M
– –
-265
Closed -$3.91K
ASST icon
898
PUT
Strive Inc
ASST
$1,000M
– –
-345
Closed -$5.09K
ASTS icon
899
AST SpaceMobile
ASTS
$17B
– –
-5,653
Closed -$411K
ASTS icon
900
PUT
AST SpaceMobile
ASTS
$17B
– –
-27,500
Closed -$2M
34 35
36
37 38

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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
Third Point New York $2.08B AUM 27.04% 1-Year Est. Return
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.