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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
IONQ icon
926
CALL
IonQ
IONQ
$13.4B
– –
-10,000
Closed -$418K
IOT icon
927
PUT
Samsara
IOT
$20.6B
– –
-10,000
Closed -$437K
IR icon
928
PUT
Ingersoll Rand
IR
$33.1B
– –
-6,000
Closed -$543K
ISRG icon
929
PUT
Intuitive Surgical
ISRG
$128B
– –
-1,000
Closed -$522K
IWM icon
930
iShares Russell 2000 ETF
IWM
$80.3B
– –
-4,000
Closed -$868K
KHC icon
931
CALL
Kraft Heinz
KHC
$31.1B
– –
-10,000
Closed -$307K
KKR icon
932
PUT
KKR & Co
KKR
$91.3B
– –
-2,500
Closed -$370K
KSS icon
933
Kohl's
KSS
$2.1B
– –
-11,601
Closed -$163K
LFST icon
934
PUT
Lifestance Health
LFST
$4.15B
– –
-39,000
Closed -$287K
LHX icon
935
L3Harris
LHX
$56.5B
– –
-1,500
Closed -$315K
LMND icon
936
PUT
Lemonade
LMND
$4.76B
– –
-15,000
Closed -$550K
LOPE icon
937
Grand Canyon Education
LOPE
$3.84B
– –
-2,814
Closed -$461K
LW icon
938
PUT
Lamb Weston
LW
$7.3B
– –
-3,000
Closed -$200K
LYFT icon
939
CALL
Lyft
LYFT
$5.73B
– –
-20,000
Closed -$258K
LYV icon
940
PUT
Live Nation Entertainment
LYV
$41.7B
– –
-4,000
Closed -$518K
M icon
941
PUT
Macy's
M
$6.57B
– –
-10,000
Closed -$169K
MA icon
942
Mastercard
MA
$487B
– –
-100
Closed -$54.4K
MANH icon
943
Manhattan Associates
MANH
$9.42B
– –
-340
Closed -$91.9K
MANH icon
944
PUT
Manhattan Associates
MANH
$9.42B
– –
-3,000
Closed -$811K
MAR icon
945
PUT
Marriott International
MAR
$101B
– –
-2,000
Closed -$558K
MDB icon
946
CALL
MongoDB
MDB
$24.9B
– –
-1,300
Closed -$303K
MDB icon
947
MongoDB
MDB
$24.9B
– –
-400
Closed -$93.1K
MDB icon
948
PUT
MongoDB
MDB
$24.9B
– –
-1,000
Closed -$233K
MLI icon
949
Mueller Industries
MLI
$14.2B
– –
-11,080
Closed -$440K
MMLP icon
950
Martin Midstream Partners
MMLP
$98.6M
– –
-27,733
Closed -$99.6K
36 37
38
39 40

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NSCM
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KA
Klingman & Associates New York $2.09B AUM 16.49% 1-Year Est. Return
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
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.