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CSS LLC Portfolio holdings

AUM $2.57B
1-Year Est. Return 67.1%
This Fund
S&P 500
This Quarter Est. Return
+1.03%
1 Year Est. Return
+67.1%
3 Year Est. Return
+128.35%
5 Year Est. Return
+164.54%
10 Year Est. Return
+489.68%
AUM
$2.25B
AUM Growth
+$20.4M
Cap. Flow
-$888M
Cap. Flow %
-39.46%
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 Miscellaneous 82.49%
2 Financials 6.24%
3 Technology 2.66%
4 Healthcare 2.09%
5 Industrials 1.72%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SUN icon
301
PUT
Sunoco
SUN
$14.9B
$833K 0.04%
15,900
-10,400
-40% -$550K
MCGA
302
Yorkville Acquisition Corp
MCGA
$244M
$833K 0.04%
82,253
– –
SNDK
303
PUT
Sandisk
SNDK
$223B
$828K 0.04%
3,300
-326,700
-99% -$65.4M
MSOS icon
304
AdvisorShares Pure US Cannabis ETF
MSOS
$969M
$827K 0.04%
175,200
+500
+0.3% +$2.23K
MOS icon
305
The Mosaic Company
MOS
$7.88B
$819K 0.04%
34,008
+25,650
+307% +$691K
CAEP
306
DELISTED
Cantor Equity Partners III
CAEP
$818K 0.04%
80,222
+24,229
+43% +$251K
DLB icon
307
Dolby
DLB
$5.5B
$817K 0.04%
12,718
+6,370
+100% +$428K
META icon
308
Meta Platforms (Facebook)
META
$1.72T
$815K 0.04%
1,235
-680
-36% -$454K
EME icon
309
Emcor
EME
$32.6B
$814K 0.04%
1,330
-190
-13% -$123K
TDS icon
310
Telephone and Data Systems
TDS
$4.27B
$813K 0.04%
19,835
+335
+2% +$13K
MBCN
311
DELISTED
Middlefield Banc Corp
MBCN
$812K 0.04%
+23,507
New +$781K
CTLP
312
DELISTED
Cantaloupe
CTLP
$808K 0.04%
76,111
+21,501
+39% +$228K
MTG icon
313
MGIC Investment
MTG
$6.05B
$807K 0.04%
27,611
+4,144
+18% +$116K
IT icon
314
Gartner
IT
$12.1B
$805K 0.04%
+3,190
New +$768K
CRUS icon
315
Cirrus Logic
CRUS
$5.91B
$798K 0.04%
6,730
+60
+0.9% +$7.39K
TDWDU
316
Tailwind 2.0 Acquisition Corp Unit
TDWDU
$796K 0.04%
+79,086
New +$794K
ELV icon
317
Elevance Health
ELV
$89.5B
$793K 0.04%
2,261
-639
-22% -$216K
VLOS
318
Velos Acquisition I Corp
VLOS
$251M
$790K 0.04%
74,352
– –
MSFT icon
319
Microsoft
MSFT
$3.64T
$788K 0.04%
1,630
+1,530
+1,530% +$767K
ZBRA icon
320
Zebra Technologies
ZBRA
$16.1B
$787K 0.04%
3,240
+2,270
+234% +$607K
GD icon
321
General Dynamics
GD
$97.4B
$784K 0.03%
2,330
+80
+4% +$27.3K
ASH icon
322
Ashland
ASH
$3.23B
$783K 0.03%
13,350
-5,060
-27% -$267K
AVDV icon
323
Avantis International Small Cap Value ETF
AVDV
$20.3B
$782K 0.03%
8,320
+2,220
+36% +$201K
MHK icon
324
Mohawk Industries
MHK
$8.65B
$777K 0.03%
7,110
-2,420
-25% -$278K
CAH icon
325
Cardinal Health
CAH
$54.1B
$773K 0.03%
3,760
-2,510
-40% -$472K
11 12
13
14 15

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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 $888M 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 Miscellaneous at 82% of assets, down from 83% a quarter earlier, followed by Financials and Technology.

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.