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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
FYBR
476
DELISTED
Frontier Communications
FYBR
$405K 0.02%
11,300
– –
WDC icon
477
PUT
Western Digital
WDC
$148B
$404K 0.02%
10,000
-3,230
-24% -$153K
SLG icon
478
PUT
SL Green Realty
SLG
$3.75B
$404K 0.02%
7,000
-6,100
-47% -$385K
ADI icon
479
PUT
Analog Devices
ADI
$179B
$403K 0.02%
2,000
+1,000
+100% +$216K
MBAVW
480
DELISTED
M3-Brigade Acquisition V Corp Warrant
MBAVW
$403K 0.02%
1,390,373
+220,905
+19% +$51.9K
GREK
481
Global X MSCI Greece ETF
GREK
$290M
$400K 0.02%
8,516
– –
AXS icon
482
AXIS Capital
AXS
$8.79B
$400K 0.02%
3,987
+1,170
+42% +$108K
HES
483
CALL
DELISTED
Hess
HES
$399K 0.02%
+2,500
New +$368K
DKNG icon
484
CALL
DraftKings
DKNG
$12.2B
$399K 0.02%
+12,000
New +$493K
ODFL icon
485
PUT
Old Dominion Freight Line
ODFL
$47.3B
$397K 0.02%
2,400
– –
GL icon
486
CALL
Globe Life
GL
$13.7B
$395K 0.02%
+3,000
New +$367K
WEN icon
487
Wendy's
WEN
$1.42B
$393K 0.02%
+26,863
New +$404K
DOCN icon
488
DigitalOcean
DOCN
$12.7B
$392K 0.02%
+11,750
New +$459K
UPWK icon
489
PUT
Upwork
UPWK
$1.21B
$392K 0.02%
+30,000
New +$457K
LRCX icon
490
Lam Research
LRCX
$327B
$388K 0.02%
5,334
-2,510
-32% -$198K
U icon
491
CALL
Unity
U
$13.2B
$386K 0.02%
+19,700
New +$445K
VNT icon
492
Vontier
VNT
$4.65B
$386K 0.02%
11,744
+2,028
+21% +$73.8K
CAF
493
Morgan Stanley China A Share Fund
CAF
$325M
$386K 0.02%
29,474
-400
-1% -$5.08K
ADBE icon
494
PUT
Adobe
ADBE
$99.6B
$384K 0.02%
+1,000
New +$429K
IOT icon
495
CALL
Samsara
IOT
$21.1B
$383K 0.02%
10,000
-10,000
-50% -$466K
OZK icon
496
PUT
Bank OZK
OZK
$5.57B
$382K 0.02%
8,800
+5,000
+132% +$237K
GOOG icon
497
Alphabet (Google) Class C
GOOG
$4.01T
$378K 0.02%
2,420
– –
JBLU icon
498
PUT
JetBlue
JBLU
$2.05B
$374K 0.02%
+77,500
New +$509K
TYG
499
Tortoise Energy Infrastructure Corp
TYG
$1.11B
$373K 0.02%
8,671
-2,747
-24% -$121K
KF
500
Korea Fund
KF
$225M
$370K 0.02%
18,512
– –
18 19
20
21 22

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NSUP
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IHAM
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ACM
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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.