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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
+8.37%
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
$2.14B
AUM Growth
+$323M
Cap. Flow
-$445M
Cap. Flow %
-20.77%
Top 10 Hldgs %
24.34%
Holding
1,218
New
306
Increased
232
Reduced
221
Closed
265

Top Buys

Rank Stock Value
1
NEE.PRR
NextEra Energy, Inc. 6.926% Corporate Units
NEE.PRR
+$30.3M
2
BTSGU icon
BrightSpring Health Services Unit
BTSGU
+$29.6M
3
BAC.PRL icon
Bank of America Series L
BAC.PRL
+$21.9M
4
TACH
Titan Acquisition Corp
TACH
+$6.87M
5
WENNU
Wen Acquisition Corp Unit
WENNU
+$6.8M

Top Sells

Rank Stock Value
1
AXON
Axon Enterprise
AXON
+$28.9M
2
VOO icon
Vanguard S&P 500 ETF
VOO
+$20.3M
3
APO.PRA icon
Apollo Global Management Series A
APO.PRA
+$12.2M
4
ATIIU
Archimedes Tech SPAC Partners II Co Unit
ATIIU
+$8.27M
5
GTLS.PRB
Chart Industries 6.75% Series B Preferred Stock
GTLS.PRB
+$5.99M

Sector Composition

Rank Sector Weight
1 Financials 4.7%
2 Healthcare 2.27%
3 Technology 2.08%
4 Industrials 2.03%
5 Energy 1.72%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PSX icon
1026
Phillips 66
PSX
$83B
– –
-1,770
Closed -$219K
PTCT icon
1027
PTC Therapeutics
PTCT
$6.3B
– –
-17,857
Closed -$910K
PTON icon
1028
PUT
Peloton Interactive
PTON
$2.68B
– –
-30,000
Closed -$190K
RBLX icon
1029
PUT
Roblox
RBLX
$34.7B
– –
-5,000
Closed -$291K
RDFN
1030
PUT
DELISTED
Redfin
RDFN
– –
-10,000
Closed -$92.1K
RIVN icon
1031
Rivian
RIVN
$24.2B
– –
-51,870
Closed -$704K
ROIV icon
1032
PUT
Roivant Sciences
ROIV
$25B
– –
-11,200
Closed -$113K
ROKU icon
1033
PUT
Roku
ROKU
$21.3B
– –
-10,000
Closed -$704K
RSP icon
1034
CALL
Invesco S&P 500 Equal Weight ETF
RSP
$96.9B
– –
-2,500
Closed -$433K
RYAAY icon
1035
Ryanair
RYAAY
$30B
– –
-20,062
Closed -$850K
SATLW icon
1036
Satellogic Inc Warrant
SATLW
$35.1M
– –
-128,208
Closed -$57.8K
SBUX icon
1037
PUT
Starbucks
SBUX
$119B
– –
-6,000
Closed -$589K
SHOP icon
1038
Shopify
SHOP
$163B
– –
-1,768
Closed -$177K
SHOP icon
1039
PUT
Shopify
SHOP
$163B
– –
-6,000
Closed -$573K
SIG icon
1040
Signet Jewelers
SIG
$3.74B
– –
-4,390
Closed -$292K
SLRN
1041
DELISTED
ACELYRIN
SLRN
– –
-24,564
Closed -$60.7K
SMCI icon
1042
Super Micro Computer
SMCI
$18.8B
– –
-7,679
Closed -$296K
SN icon
1043
PUT
SharkNinja
SN
$21.6B
– –
-5,000
Closed -$417K
SNOW icon
1044
Snowflake
SNOW
$93.9B
– –
-14,385
Closed -$2.6M
SPY icon
1045
State Street SPDR S&P 500 ETF Trust
SPY
$779B
– –
-32
Closed -$18.3K
STT icon
1046
CALL
State Street
STT
$50.2B
– –
-5,000
Closed -$444K
STX icon
1047
Seagate
STX
$182B
– –
-3,722
Closed -$316K
STZ icon
1048
Constellation Brands
STZ
$22.2B
– –
-2,330
Closed -$428K
SU icon
1049
Suncor Energy
SU
$75.5B
– –
-17,482
Closed -$677K
SWKS icon
1050
CALL
Skyworks Solutions
SWKS
$9.4B
– –
-5,000
Closed -$323K
40 41
42
43 44

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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
Analog Century Management New York $2.09B AUM 186.85% 1-Year Est. Return

CSS LLC's Q2 2025 Portfolio in Review

As of Q2 2025, CSS LLC held 1,218 positions worth $2.14B, up 18% from $1.82B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

CSS LLC withdrew a net $445M in Q2 2025, closing 265 positions and reducing 221 holdings. Its most notable exit was Archimedes Tech SPAC Partners II Co Unit, an estimated $8.27M position sold in full.

By sector, the portfolio is most concentrated in Financials at 4.7% of assets, up from 3.3% a quarter earlier, followed by Healthcare and Technology.

Against the trend, CSS LLC opened a new position in BrightSpring Health Services Unit worth $33M.

  • CSS LLC's largest Q2 2025 buy was BrightSpring Health Services Unit: 400,466 shares worth $33M.
  • CSS LLC added most to NextEra Energy, Inc. 6.926% Corporate Units in Q2 2025, an estimated $30.3M increase.
  • CSS LLC's biggest Q2 2025 reduction was Axon Enterprise, cutting an estimated $28.9M.
  • CSS LLC fully exited Archimedes Tech SPAC Partners II Co Unit in Q2 2025, selling an estimated $8.27M.
  • CSS LLC's ten largest holdings make up 24% of its $2.14B portfolio in Q2 2025.
  • CSS LLC opened 306 new positions and closed 265 in Q2 2025.
  • CSS LLC's portfolio value rose 18% quarter-over-quarter to $2.14B.

Based on CSS LLC's 13F filing for Q2 2025, filed 14 Aug 2025.