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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
SHCO
1076
PUT
DELISTED
Soho House & Co
SHCO
– –
-8,400
Closed -$75.3K
SHEL icon
1077
CALL
Shell
SHEL
$240B
– –
-10,000
Closed -$735K
SHOP icon
1078
PUT
Shopify
SHOP
$162B
– –
-6,000
Closed -$966K
SIRI icon
1079
PUT
SiriusXM
SIRI
$10.5B
– –
-3,403
Closed -$68K
SMCI icon
1080
CALL
Super Micro Computer
SMCI
$18.7B
– –
-2,500
Closed -$73.2K
SMR icon
1081
NuScale Power
SMR
$2.88B
– –
-2,860
Closed -$40.5K
SMR icon
1082
PUT
NuScale Power
SMR
$2.88B
– –
-25,500
Closed -$361K
SMTC icon
1083
Semtech
SMTC
$11.1B
– –
-38,535
Closed -$2.84M
SMTC icon
1084
PUT
Semtech
SMTC
$11.1B
– –
-15,000
Closed -$1.11M
SNCR
1085
DELISTED
Synchronoss Technologies
SNCR
– –
-29,110
Closed -$249K
SNCR
1086
PUT
DELISTED
Synchronoss Technologies
SNCR
– –
-14,000
Closed -$120K
SNV
1087
DELISTED
Synovus
SNV
– –
-11,084
Closed -$555K
SO icon
1088
Southern Company
SO
$109B
– –
-11,156
Closed -$973K
SOFI icon
1089
CALL
SoFi Technologies
SOFI
$21.7B
– –
-3,700
Closed -$96.9K
SOFI icon
1090
SoFi Technologies
SOFI
$21.7B
– –
-358,863
Closed -$7.56M
SOHO
1091
DELISTED
Sotherly Hotels
SOHO
– –
-22,500
Closed -$48.4K
SOUN icon
1092
SoundHound AI
SOUN
$2.78B
– –
-5,000
Closed -$43.1K
SPY icon
1093
State Street SPDR S&P 500 ETF Trust
SPY
$780B
– –
-10,646
Closed -$7.24M
SUN icon
1094
PUT
Sunoco
SUN
$14B
– –
-15,900
Closed -$833K
TEAM icon
1095
Atlassian
TEAM
$24.6B
– –
-1,630
Closed -$264K
TEX icon
1096
Terex
TEX
$7.82B
– –
-10,197
Closed -$544K
TFC icon
1097
CALL
Truist Financial
TFC
$63.5B
– –
-10,700
Closed -$527K
TGNA
1098
DELISTED
TEGNA Inc
TGNA
– –
-27,667
Closed -$537K
THS
1099
CALL
DELISTED
Treehouse Foods
THS
– –
-12,000
Closed -$283K
THS
1100
DELISTED
Treehouse Foods
THS
– –
-42,311
Closed -$998K
42 43
44
45 46

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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.