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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
MOS icon
951
CALL
The Mosaic Company
MOS
$7.1B
– –
-10,000
Closed -$246K
MOS icon
952
PUT
The Mosaic Company
MOS
$7.1B
– –
-1,000
Closed -$24.6K
MP icon
953
CALL
MP Materials
MP
$7.68B
– –
-11,600
Closed -$181K
MP icon
954
MP Materials
MP
$7.68B
– –
-55,700
Closed -$1.29M
MPC icon
955
PUT
Marathon Petroleum
MPC
$91.2B
– –
-2,000
Closed -$279K
MS icon
956
PUT
Morgan Stanley
MS
$337B
– –
-5,000
Closed -$629K
MTB icon
957
CALL
M&T Bank
MTB
$36B
– –
-2,000
Closed -$376K
MTSI icon
958
MACOM Technology Solutions
MTSI
$20.1B
– –
-226,997
Closed -$29.5M
NCLH icon
959
PUT
Norwegian Cruise Line
NCLH
$9.2B
– –
-139,400
Closed -$3.59M
NOVA
960
DELISTED
Sunnova Energy
NOVA
– –
-8,523
Closed -$16.4K
NRG icon
961
CALL
NRG Energy
NRG
$28.8B
– –
-3,000
Closed -$271K
NTNX icon
962
CALL
Nutanix
NTNX
$15.4B
– –
-5,000
Closed -$306K
OC icon
963
CALL
Owens Corning
OC
$11.6B
– –
-2,000
Closed -$341K
OKE icon
964
PUT
Oneok
OKE
$56.4B
– –
-9,466
Closed -$950K
OLN icon
965
CALL
Olin
OLN
$2.49B
– –
-11,000
Closed -$372K
OLN icon
966
PUT
Olin
OLN
$2.49B
– –
-10,000
Closed -$338K
OMF icon
967
CALL
OneMain Financial
OMF
$7.08B
– –
-5,000
Closed -$261K
PAYX icon
968
PUT
Paychex
PAYX
$41.1B
– –
-7,000
Closed -$982K
PCF
969
High Income Securities Fund
PCF
$99.2M
– –
-10,353
Closed -$67.6K
PDD icon
970
Pinduoduo
PDD
$121B
– –
-3,290
Closed -$319K
PDD icon
971
PUT
Pinduoduo
PDD
$121B
– –
-8,000
Closed -$776K
PFGC icon
972
Performance Food Group
PFGC
$18B
– –
-3,960
Closed -$335K
PGR icon
973
Progressive
PGR
$125B
– –
-210
Closed -$50.3K
PGR icon
974
PUT
Progressive
PGR
$125B
– –
-2,000
Closed -$479K
PLNT icon
975
PUT
Planet Fitness
PLNT
$4.29B
– –
-9,000
Closed -$890K
37 38
39
40 41

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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.