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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
+2.83%
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
$2.09B
AUM Growth
-$162M
Cap. Flow
-$866M
Cap. Flow %
-41.48%
Top 10 Hldgs %
32%
Holding
1,256
New
272
Increased
195
Reduced
264
Closed
296

Top Buys

Rank Stock Value
1
NEE.PRV
NextEra Energy Inc 7.375% Corporate Units
NEE.PRV
+$27M
2
APO.PRA icon
Apollo Global Management Series A
APO.PRA
+$17.2M
3
ALB.PRA icon
Albemarle Corp Depositary Shares
ALB.PRA
+$13.9M
4
PEN icon
Penumbra
PEN
+$12.2M
5
EP.PRC icon
El Paso Energy Capital Trust I
EP.PRC
+$10.3M

Top Sells

Rank Stock Value
1
BAC.PRL icon
Bank of America Series L
BAC.PRL
+$16.5M
2
SOFI icon
SoFi Technologies
SOFI
+$7.56M
3
IRHOU
Iron Horse Acquisitions II Corp Units
IRHOU
+$7.34M
4
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$7.24M
5
DMII
Drugs Made In America Acquisition II Corp
DMII
+$6.93M

Sector Composition

Rank Sector Weight
1 Financials 7.91%
2 Healthcare 3.17%
3 Technology 2.72%
4 Industrials 1.59%
5 Consumer Discretionary 1.35%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AFRM icon
401
Affirm
AFRM
$24.5B
$620K 0.03%
13,540
– –
STEM icon
402
PUT
Stem
STEM
$50M
$619K 0.03%
70,000
-30
-0% -$403
NWG icon
403
NatWest
NWG
$72.8B
$618K 0.03%
41,460
– –
CSGS
404
DELISTED
CSG Systems International
CSGS
$618K 0.03%
7,727
+2,122
+38% +$169K
PTON icon
405
PUT
Peloton Interactive
PTON
$2.71B
$616K 0.03%
143,500
+128,800
+876% +$628K
IQV icon
406
IQVIA
IQV
$35.6B
$614K 0.03%
3,600
+2,350
+188% +$458K
DYOR
407
Insight Digital Partners II
DYOR
$613K 0.03%
61,610
-188,390
-75% -$1.87M
LYV icon
408
PUT
Live Nation Entertainment
LYV
$41.7B
$610K 0.03%
+4,000
New +$606K
AMD icon
409
Advanced Micro Devices
AMD
$807B
$607K 0.03%
+2,984
New +$637K
BANX
410
ArrowMark Financial
BANX
$190M
$603K 0.03%
+31,642
New +$641K
WTMF icon
411
WisdomTree Managed Futures Strategy Fund
WTMF
$244M
$601K 0.03%
15,150
– –
CMCSA icon
412
Comcast
CMCSA
$80.9B
$600K 0.03%
20,891
-3,517
-14% -$105K
CFG icon
413
CALL
Citizens Financial Group
CFG
$30.1B
$600K 0.03%
10,000
– –
CIFR icon
414
PUT
Cipher Digital
CIFR
$8.86B
$597K 0.03%
46,400
-44,100
-49% -$699K
ATII
415
Archimedes Tech SPAC Partners II Co
ATII
$316M
$595K 0.03%
57,143
– –
BMEZ icon
416
BlackRock Health Sciences Trust II
BMEZ
$960M
$588K 0.03%
40,978
+3,180
+8% +$47.2K
FOUR icon
417
CALL
Shift4
FOUR
$3.96B
$586K 0.03%
+13,400
New +$740K
SSB icon
418
SouthState Bank Corp
SSB
$10.2B
$585K 0.03%
6,320
– –
ENVX icon
419
PUT
Enovix
ENVX
$923M
$583K 0.03%
112,500
-32,400
-22% -$203K
GD icon
420
General Dynamics
GD
$105B
$577K 0.03%
1,680
-650
-28% -$231K
TNL icon
421
Travel + Leisure Co
TNL
$4.68B
$570K 0.03%
8,240
-4,433
-35% -$320K
PCOR icon
422
PUT
Procore
PCOR
$7.03B
$570K 0.03%
+10,000
New +$592K
EEM icon
423
CALL
iShares MSCI Emerging Markets ETF
EEM
$28.6B
$568K 0.03%
+10,000
New +$588K
TAP icon
424
Molson Coors Class B
TAP
$7.71B
$565K 0.03%
13,127
-13,400
-51% -$636K
PL.WS
425
DELISTED
Planet Labs PBC Warrants
PL.WS
$560K 0.03%
34,055
-151,248
-82% -$2.13M
15 16
17
18 19

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KA
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ACG
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NSUP
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IHAM
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TP
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ACP
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ACM
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CSS LLC's Q1 2026 Portfolio in Review

As of Q1 2026, CSS LLC held 1,256 positions worth $2.09B, down 7.2% from $2.25B the previous quarter. Its ten largest holdings account for 32% of the portfolio.

CSS LLC withdrew a net $866M in Q1 2026, closing 296 positions and reducing 264 holdings. Its most notable exit was SoFi Technologies, an estimated $7.56M position sold in full.

By sector, the portfolio is most concentrated in Financials at 7.9% of assets, up from 6.4% a quarter earlier, followed by Healthcare and Technology.

Against the trend, CSS LLC opened a new position in NextEra Energy Inc 7.375% Corporate Units worth $27.2M.

  • CSS LLC's largest Q1 2026 buy was NextEra Energy Inc 7.375% Corporate Units: 540,739 shares worth $27.2M.
  • CSS LLC added most to Apollo Global Management Series A in Q1 2026, an estimated $17.2M increase.
  • CSS LLC's biggest Q1 2026 reduction was Bank of America Series L, cutting an estimated $16.5M.
  • CSS LLC fully exited SoFi Technologies in Q1 2026, selling an estimated $7.56M.
  • CSS LLC's ten largest holdings make up 32% of its $2.09B portfolio in Q1 2026.
  • CSS LLC opened 272 new positions and closed 296 in Q1 2026.
  • CSS LLC's portfolio value fell 7.2% quarter-over-quarter to $2.09B.

Based on CSS LLC's 13F filing for Q1 2026, filed 15 May 2026.