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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
+41.73%
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
$2.23B
AUM Growth
+$84.9M
Cap. Flow
-$835M
Cap. Flow %
-37.46%
Top 10 Hldgs %
26.83%
Holding
1,258
New
301
Increased
210
Reduced
232
Closed
273

Top Buys

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$13.7M
2
BRKRP
Bruker Corporation 6.375% Series A Preferred Stock
BRKRP
+$10.6M
3
CHN
China Fund
CHN
+$9.2M
4
DMIIU
Drugs Made In America Acquisition II Corp Unit
DMIIU
+$8.15M
5
GTLS.PRB
Chart Industries 6.75% Series B Preferred Stock
GTLS.PRB
+$7.49M

Top Sells

Rank Stock Value
1
BTSGU icon
BrightSpring Health Services Unit
BTSGU
+$32.4M
2
NEE.PRR
NextEra Energy, Inc. 6.926% Corporate Units
NEE.PRR
+$30.3M
3
BAC.PRL icon
Bank of America Series L
BAC.PRL
+$19M
4
EPR.PRC icon
EPR Properties 5.75% Series C Preferred Shares
EPR.PRC
+$10.4M
5
BPMC
Blueprint Medicines
BPMC
+$7.68M

Sector Composition

Rank Sector Weight
1 Financials 4.98%
2 Technology 2.53%
3 Healthcare 2.36%
4 Industrials 1.61%
5 Consumer Discretionary 1.24%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
NIO icon
26
PUT
NIO
NIO
$11.5B
$7.17M 0.32%
940,300
+198,700
+27% +$1.07M
BDCIU
27
BTC Development Corp Unit
BDCIU
$232M
$7.15M 0.32%
+707,880
New +$7.15M
CEPF
28
Cantor Equity Partners IV
CEPF
$597M
$6.62M 0.3%
+650,000
New +$6.6M
MARA icon
29
PUT
Marathon Digital Holdings
MARA
$4.46B
$6.37M 0.29%
349,000
+36,800
+12% +$620K
K
30
DELISTED
Kellanova
K
$6.13M 0.27%
74,682
+23,350
+45% +$1.86M
ECHO
31
PUT
EchoStar
ECHO
$25B
$6.03M 0.27%
78,950
+34,000
+76% +$1.54M
ETNB
32
DELISTED
89bio
ETNB
$6.02M 0.27%
+409,571
New +$4.17M
HYG icon
33
PUT
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$15.9B
$5.68M 0.25%
+70,000
New +$5.64M
DBMF icon
34
iMGP DBi Managed Futures Strategy ETF
DBMF
$4.02B
$5.62M 0.25%
205,764
– –
WENN
35
Wen Acquisition Corp
WENN
$5.54M 0.25%
+547,631
New +$5.58M
K
36
PUT
DELISTED
Kellanova
K
$5.5M 0.25%
67,000
+36,100
+117% +$2.87M
EEM icon
37
PUT
iShares MSCI Emerging Markets ETF
EEM
$28.4B
$5.34M 0.24%
100,000
-34,100
-25% -$1.71M
ETNB
38
PUT
DELISTED
89bio
ETNB
$5.23M 0.23%
+356,000
New +$3.63M
RIVN icon
39
PUT
Rivian
RIVN
$24.2B
$5.09M 0.23%
346,700
-26,000
-7% -$348K
MP icon
40
PUT
MP Materials
MP
$7.53B
$5.02M 0.23%
74,800
+29,100
+64% +$1.83M
VRNA
41
DELISTED
Verona Pharma
VRNA
$4.92M 0.22%
+46,100
New +$4.81M
XLV icon
42
PUT
State Street Health Care Select Sector SPDR ETF
XLV
$42.3B
$4.87M 0.22%
35,000
+15,000
+75% +$2.03M
APO.PRA icon
43
Apollo Global Management Series A
APO.PRA
$1.8B
$4.82M 0.22%
68,550
+40,255
+142% +$3M
WDC icon
44
Western Digital
WDC
$170B
$4.65M 0.21%
38,753
+25,273
+187% +$2.07M
BAC.PRL icon
45
Bank of America Series L
BAC.PRL
$3.96B
$4.63M 0.21%
3,613
-15,281
-81% -$19M
IPCX
46
Inflection Point Acquisition Corp III
IPCX
$354M
$4.58M 0.21%
454,422
– –
KRE icon
47
PUT
State Street SPDR S&P Regional Banking ETF
KRE
$4.48B
$4.56M 0.2%
72,000
-11,800
-14% -$744K
IBIT icon
48
iShares Bitcoin Trust
IBIT
$48.2B
$4.48M 0.2%
68,980
+11,760
+21% +$765K
MXE
49
Mexico Equity and Income Fund
MXE
$58.2M
$4.29M 0.19%
361,276
-77,967
-18% -$864K
CTA icon
50
Simplify Managed Futures Strategy ETF
CTA
$1.56B
$4.17M 0.19%
149,060
+8,425
+6% +$233K
1
2
3 4 5

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CSS LLC's Q3 2025 Portfolio in Review

As of Q3 2025, CSS LLC held 1,258 positions worth $2.23B, up 4% from $2.14B the previous quarter. Its ten largest holdings account for 27% of the portfolio.

CSS LLC withdrew a net $835M in Q3 2025, closing 273 positions and reducing 232 holdings. Its most notable exit was NextEra Energy, Inc. 6.926% Corporate Units, an estimated $30.3M position sold in full.

By sector, the portfolio is most concentrated in Financials at 5% of assets, up from 4.7% a quarter earlier, followed by Technology and Healthcare.

Against the trend, CSS LLC opened a new position in State Street SPDR S&P 500 ETF Trust worth $14.2M.

  • CSS LLC's largest Q3 2025 buy was State Street SPDR S&P 500 ETF Trust: 21,304 shares worth $14.2M.
  • CSS LLC added most to China Fund in Q3 2025, an estimated $9.2M increase.
  • CSS LLC's biggest Q3 2025 reduction was BrightSpring Health Services Unit, cutting an estimated $32.4M.
  • CSS LLC fully exited NextEra Energy, Inc. 6.926% Corporate Units in Q3 2025, selling an estimated $30.3M.
  • CSS LLC's ten largest holdings make up 27% of its $2.23B portfolio in Q3 2025.
  • CSS LLC opened 301 new positions and closed 273 in Q3 2025.
  • CSS LLC's portfolio value rose 4% quarter-over-quarter to $2.23B.

Based on CSS LLC's 13F filing for Q3 2025, filed 13 Nov 2025.