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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
PCG icon
1051
CALL
PG&E
PCG
$47.1B
– –
-10,000
Closed -$161K
PCH
1052
DELISTED
PotlatchDeltic
PCH
– –
-10,971
Closed -$436K
PDX
1053
PIMCO Dynamic Income Strategy Fund
PDX
$955M
– –
-13,460
Closed -$253K
PEGA icon
1054
Pegasystems
PEGA
$4.85B
– –
-10,440
Closed -$623K
PENN icon
1055
CALL
PENN Entertainment
PENN
$2.83B
– –
-33,800
Closed -$499K
PENN icon
1056
PUT
PENN Entertainment
PENN
$2.83B
– –
-2,700
Closed -$39.8K
PGR icon
1057
CALL
Progressive
PGR
$126B
– –
-4,000
Closed -$856K
PINS icon
1058
Pinterest
PINS
$13.3B
– –
-12,529
Closed -$324K
PL icon
1059
PUT
Planet Labs
PL
$7.35B
– –
-32,700
Closed -$645K
PRCH icon
1060
PUT
Porch Group
PRCH
$1.38B
– –
-10,000
Closed -$91.3K
PSN icon
1061
Parsons
PSN
$6.33B
– –
-7,120
Closed -$440K
PWR icon
1062
PUT
Quanta Services
PWR
$92.2B
– –
-2,000
Closed -$844K
R icon
1063
Ryder
R
$10.2B
– –
-2,130
Closed -$408K
REAL icon
1064
PUT
The RealReal
REAL
$1.39B
– –
-22,500
Closed -$355K
REVG
1065
DELISTED
REV Group
REVG
– –
-10,943
Closed -$665K
RIVN icon
1066
CALL
Rivian
RIVN
$24B
– –
-4,500
Closed -$88.7K
RNAM
1067
DELISTED
Avidity Biosciences
RNAM
– –
-8,500
Closed -$613K
RNW icon
1068
CALL
ReNew
RNW
$2.21B
– –
-17,800
Closed -$101K
ROOT icon
1069
PUT
Root
ROOT
$952M
– –
-3,700
Closed -$267K
RPRX icon
1070
Royalty Pharma
RPRX
$26.1B
– –
-14,520
Closed -$561K
RRC icon
1071
Range Resources
RRC
$8.95B
– –
-12,427
Closed -$438K
RVMD icon
1072
Revolution Medicines
RVMD
$39.8B
– –
-2,397
Closed -$242K
S icon
1073
PUT
SentinelOne
S
$6.26B
– –
-37,600
Closed -$564K
SAIC icon
1074
Saic
SAIC
$5.01B
– –
-4,050
Closed -$408K
SHCO
1075
DELISTED
Soho House & Co
SHCO
– –
-63,611
Closed -$570K
41 42
43
44 45

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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
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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 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.