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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
+0.56%
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
$1.82B
AUM Growth
-$443M
Cap. Flow
-$1.01B
Cap. Flow %
-55.56%
Top 10 Hldgs %
26.41%
Holding
1,198
New
261
Increased
221
Reduced
251
Closed
289

Top Buys

Rank Stock Value
1
AXON
Axon Enterprise
AXON
+$27.7M
2
ATIIU
Archimedes Tech SPAC Partners II Co Unit
ATIIU
+$8.25M
3
EPR.PRC icon
EPR Properties 5.75% Series C Preferred Shares
EPR.PRC
+$6.61M
4
BTX
BlackRock Technology and Private Equity Term Trust
BTX
+$4.18M
5
BECN
Beacon Roofing Supply, Inc.
BECN
+$3.9M

Top Sells

Rank Stock Value
1
GTLS.PRB
Chart Industries 6.75% Series B Preferred Stock
GTLS.PRB
+$40.9M
2
MTSI icon
MACOM Technology Solutions
MTSI
+$29.5M
3
APO.PRA icon
Apollo Global Management Series A
APO.PRA
+$23.5M
4
BKDT
Brookdale Senior Living Inc. 7.00% Tangible Equity Units
BKDT
+$19.8M
5
LUNRW
Intuitive Machines, Inc. Warrants
LUNRW
+$10.3M

Sector Composition

Rank Sector Weight
1 Financials 3.28%
2 Technology 2.81%
3 Healthcare 2.67%
4 Industrials 2.61%
5 Energy 2.23%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FCX icon
901
PUT
Freeport-McMoran
FCX
$90.2B
– –
-15,000
Closed -$571K
FIS icon
902
CALL
Fidelity National Information Services
FIS
$22.3B
– –
-6,000
Closed -$485K
FOUR icon
903
PUT
Shift4
FOUR
$3.96B
– –
-7,000
Closed -$726K
FRPT icon
904
PUT
Freshpet
FRPT
$2.92B
– –
-4,400
Closed -$652K
FTNT icon
905
CALL
Fortinet
FTNT
$112B
– –
-4,000
Closed -$378K
GEF icon
906
Greif
GEF
$4.56B
– –
-6,808
Closed -$416K
GME icon
907
GameStop
GME
$9.66B
– –
-12,300
Closed -$322K
GPN icon
908
CALL
Global Payments
GPN
$23B
– –
-2,000
Closed -$224K
GT icon
909
CALL
Goodyear
GT
$2.04B
– –
-10,000
Closed -$90K
GT icon
910
PUT
Goodyear
GT
$2.04B
– –
-900
Closed -$8.1K
GWRE icon
911
CALL
Guidewire Software
GWRE
$12.4B
– –
-3,000
Closed -$506K
H icon
912
PUT
Hyatt Hotels
H
$18B
– –
-4,000
Closed -$628K
HEI icon
913
PUT
HEICO Corp
HEI
$49.9B
– –
-1,000
Closed -$238K
MCHB
914
Mechanics Bancorp
MCHB
$3.46B
– –
-6,356
Closed -$72.6K
MCHB
915
PUT
Mechanics Bancorp
MCHB
$3.46B
– –
-8,800
Closed -$100K
HOOD icon
916
PUT
Robinhood
HOOD
$85.9B
– –
-37,000
Closed -$1.38M
HPE icon
917
CALL
Hewlett Packard
HPE
$63.8B
– –
-10,000
Closed -$214K
HTZ icon
918
Hertz
HTZ
$632M
– –
-110,704
Closed -$444K
IDXX icon
919
PUT
Idexx Laboratories
IDXX
$43.9B
– –
-500
Closed -$207K
IFN
920
Aberdeen India Fund
IFN
$490M
– –
-15,088
Closed -$238K
ILMN icon
921
CALL
Illumina
ILMN
$28.7B
– –
-3,000
Closed -$401K
INBX icon
922
CALL
Inhibrx
INBX
$1.21B
– –
-7,500
Closed -$116K
INBX icon
923
Inhibrx
INBX
$1.21B
– –
-51,712
Closed -$796K
INBX icon
924
PUT
Inhibrx
INBX
$1.21B
– –
-13,875
Closed -$214K
IONS icon
925
PUT
Ionis Pharmaceuticals
IONS
$9.25B
– –
-15,100
Closed -$528K
35 36
37
38 39

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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
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
Avantyr Capital Partners New York $2.08B AUM
ACM
Analog Century Management New York $2.09B AUM 186.85% 1-Year Est. Return

CSS LLC's Q1 2025 Portfolio in Review

As of Q1 2025, CSS LLC held 1,198 positions worth $1.82B, down 20% from $2.27B the previous quarter. Its ten largest holdings account for 26% of the portfolio.

CSS LLC withdrew a net $1.01B in Q1 2025, closing 289 positions and reducing 251 holdings. Its most notable exit was MACOM Technology Solutions, an estimated $29.5M position sold in full.

By sector, the portfolio is most concentrated in Financials at 3.3% of assets, down from 3.5% a quarter earlier, followed by Technology and Healthcare.

Against the trend, CSS LLC opened a new position in Axon Enterprise worth $24.9M.

  • CSS LLC's largest Q1 2025 buy was Axon Enterprise: 47,404 shares worth $24.9M.
  • CSS LLC added most to BlackRock Technology and Private Equity Term Trust in Q1 2025, an estimated $4.18M increase.
  • CSS LLC's biggest Q1 2025 reduction was Chart Industries 6.75% Series B Preferred Stock, cutting an estimated $40.9M.
  • CSS LLC fully exited MACOM Technology Solutions in Q1 2025, selling an estimated $29.5M.
  • CSS LLC's ten largest holdings make up 26% of its $1.82B portfolio in Q1 2025.
  • CSS LLC opened 261 new positions and closed 289 in Q1 2025.
  • CSS LLC's portfolio value fell 20% quarter-over-quarter to $1.82B.

Based on CSS LLC's 13F filing for Q1 2025, filed 15 May 2025.