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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
+1.03%
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
$2.25B
AUM Growth
+$20.4M
Cap. Flow
-$930M
Cap. Flow %
-41.32%
Top 10 Hldgs %
29.81%
Holding
1,283
New
283
Increased
216
Reduced
226
Closed
284

Top Buys

Rank Stock Value
1
BAC.PRL icon
Bank of America Series L
BAC.PRL
+$25.2M
2
CORZW icon
Core Scientific Inc Tranche 1 Warrants
CORZW
+$11.2M
3
BRR
ProCap Financial Inc
BRR
+$10.9M
4
SOFI icon
SoFi Technologies
SOFI
+$10M
5
DMII
Drugs Made In America Acquisition II Corp
DMII
+$7.97M

Top Sells

Rank Stock Value
1
CHN
China Fund
CHN
+$12.8M
2
BRKRP
Bruker Corporation 6.375% Series A Preferred Stock
BRKRP
+$10.8M
3
GTLS.PRB
Chart Industries 6.75% Series B Preferred Stock
GTLS.PRB
+$9.9M
4
WOLF icon
Wolfspeed
WOLF
+$8.58M
5
DMIIU
Drugs Made In America Acquisition II Corp Unit
DMIIU
+$8.13M

Sector Composition

Rank Sector Weight
1 Financials 6.38%
2 Technology 2.66%
3 Healthcare 2.09%
4 Industrials 1.72%
5 Consumer Discretionary 1.29%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
COR icon
476
Cencora
COR
$60.5B
$483K 0.02%
1,430
-1,060
-43% -$361K
MOS icon
477
CALL
The Mosaic Company
MOS
$7.1B
$482K 0.02%
20,000
+15,000
+300% +$404K
SEDG icon
478
PUT
SolarEdge
SEDG
$2.62B
$482K 0.02%
16,700
– –
UPST icon
479
PUT
Upstart Holdings
UPST
$2.63B
$481K 0.02%
11,000
– –
KBR icon
480
KBR
KBR
$4.67B
$478K 0.02%
+11,880
New +$509K
DDOG icon
481
PUT
Datadog
DDOG
$89.7B
$476K 0.02%
3,500
-3,500
-50% -$553K
APP icon
482
PUT
Applovin
APP
$139B
$472K 0.02%
700
+100
+17% +$63K
AMLP icon
483
PUT
Alerian MLP ETF
AMLP
$12.7B
$470K 0.02%
10,000
– –
GREK
484
Global X MSCI Greece ETF
GREK
$292M
$469K 0.02%
7,115
-1,401
-16% -$91.2K
BSL
485
Blackstone Senior Floating Rate 2027 Term Fund
BSL
$168M
$465K 0.02%
+34,426
New +$474K
KF
486
Korea Fund
KF
$239M
$461K 0.02%
12,693
-820
-6% -$28.3K
BRBR icon
487
BellRing Brands
BRBR
$1.52B
$461K 0.02%
+17,240
New +$535K
NTNX icon
488
Nutanix
NTNX
$15.4B
$458K 0.02%
8,870
+2,470
+39% +$151K
GTES icon
489
Gates Industrial Corporation Ltd.
GTES
$6.72B
$458K 0.02%
21,335
+8,995
+73% +$208K
GL icon
490
Globe Life
GL
$13.5B
$457K 0.02%
3,270
– –
HRB icon
491
H&R Block
HRB
$5.37B
$456K 0.02%
+10,460
New +$489K
KBH icon
492
KB Home
KBH
$3.53B
$455K 0.02%
8,060
+4,740
+143% +$292K
JOBY icon
493
PUT
Joby Aviation
JOBY
$7.25B
$450K 0.02%
34,100
-9,100
-21% -$140K
LVS icon
494
Las Vegas Sands
LVS
$31.6B
$448K 0.02%
+6,890
New +$422K
LKQ icon
495
LKQ Corp
LKQ
$6.69B
$447K 0.02%
+14,790
New +$446K
VEEV icon
496
CALL
Veeva Systems
VEEV
$31.6B
$446K 0.02%
2,000
+500
+33% +$133K
MMS icon
497
Maximus
MMS
$3.2B
$445K 0.02%
5,157
-3,752
-42% -$321K
EXEL icon
498
Exelixis
EXEL
$14B
$445K 0.02%
10,149
+600
+6% +$24.8K
GRPN icon
499
PUT
Groupon
GRPN
$1.05B
$440K 0.02%
+25,000
New +$471K
PSN icon
500
Parsons
PSN
$6.36B
$440K 0.02%
+7,120
New +$557K
18 19
20
21 22

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IHAM
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ACM
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CSS LLC's Q4 2025 Portfolio in Review

As of Q4 2025, CSS LLC held 1,283 positions worth $2.25B, up 0.91% from $2.23B the previous quarter. Its ten largest holdings account for 30% of the portfolio.

CSS LLC withdrew a net $930M in Q4 2025, closing 284 positions and reducing 226 holdings. Its most notable exit was China Fund, an estimated $12.8M position sold in full.

By sector, the portfolio is most concentrated in Financials at 6.4% of assets, up from 5% a quarter earlier, followed by Technology and Healthcare.

Against the trend, CSS LLC opened a new position in SoFi Technologies worth $9.4M.

  • CSS LLC's largest Q4 2025 buy was SoFi Technologies: 358,863 shares worth $9.4M.
  • CSS LLC added most to Bank of America Series L in Q4 2025, an estimated $25.2M increase.
  • CSS LLC's biggest Q4 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $7.2M.
  • CSS LLC fully exited China Fund in Q4 2025, selling an estimated $12.8M.
  • CSS LLC's ten largest holdings make up 30% of its $2.25B portfolio in Q4 2025.
  • CSS LLC opened 283 new positions and closed 284 in Q4 2025.
  • CSS LLC's portfolio value rose 0.91% quarter-over-quarter to $2.25B.

Based on CSS LLC's 13F filing for Q4 2025, filed 17 Feb 2026.