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CSS LLC/IL

Q2 2026 13F filing

Updated 27 days ago

1,001 disclosed positions worth $2.6B

Portfolio value
$2.6B
Total holdings
1,001
New positions
211
Closed positions
184
Increased
186
Decreased
195
Turnover
39.5%
Filed
2026-08-14

Full holdings

Every line item disclosed in Q2 2026

L

LUMENTUM HLDGS INC

-7.2%
Value
$245.6M
Shares
37.55M
% Port
9.56%
H

HEWLETT PACKARD ENTERPRISE C

+1014.7%
Value
$149.3M
Shares
1.28M
% Port
5.81%
E

ECHOSTAR CORP

+7.3%
Value
$137.4M
Shares
43.93M
% Port
5.35%
?
4.N/A

APOLLO GLOBAL MGMT INC

+390.9%
Value
$82.8M
Shares
1.36M
% Port
3.22%
B

BANK OF AMER CORP

+388.4%
Value
$63.3M
Shares
50.4K
% Port
2.46%
?
6.N/A

WOLFSPEED INC

+48.8%
Value
$54.2M
Shares
13.77M
% Port
2.11%
?
7.N/A

SUPER MICRO COMPUTER INC

Value
$45.3M
Shares
878.2K
% Port
1.76%
C

CORE SCIENTIFIC INC NEW

+12.9%
Value
$44.2M
Shares
2.35M
% Port
1.72%
M

MICROCHIP TECHNOLOGY INC.

Value
$43M
Shares
558.6K
% Port
1.67%
?
10.N/A

CLOUDFLARE INC

+94.7%
Value
$33.5M
Shares
26.11M
% Port
1.31%
A
11.AKAM

AKAMAI TECHNOLOGIES INC

+58.2%
Value
$29.6M
Shares
24.80M
% Port
1.15%
G

GAMESTOP CORP

+1.3%
Value
$27.2M
Shares
1.23M
% Port
1.06%
A

ALBEMARLE CORP

+87.9%
Value
$26.1M
Shares
470.6K
% Port
1.02%
C
14.CNP

CENTERPOINT ENERGY INC

Unchanged
Value
$25.3M
Shares
21.00M
% Port
0.98%
E
15.EQX

EQUINOX GOLD CORP

+87.7%
Value
$25.1M
Shares
14.89M
% Port
0.98%
B

BOEING CO

Value
$23.6M
Shares
349.4K
% Port
0.92%
R
17.RIG

TRANSOCEAN INC

-37.9%
Value
$23.5M
Shares
15.17M
% Port
0.91%
?
18.N/A

EL PASO ENERGY CAP TR I

+96.9%
Value
$22.6M
Shares
446.5K
% Port
0.88%
I
19.IVZ

INVESCO EXCHANGE TRADED FD T

+1287.6%
Value
$22.1M
Shares
104.1K
% Port
0.86%
V
20.VGES

VANGUARD INDEX FDS

Unchanged
Value
$22.1M
Shares
32.2K
% Port
0.86%
E

KINDER MORGAN INC DEL

Value
$21.7M
Shares
678.9K
% Port
0.84%
I
22.IREN

IREN LIMITED

Value
$21.2M
Shares
6.00M
% Port
0.83%
D
23.DOCN

DIGITALOCEAN HLDGS INC

Value
$19.5M
Shares
17.24M
% Port
0.76%
?
24.N/A

PTC THERAPEUTICS INC

+316.3%
Value
$18.6M
Shares
12.00M
% Port
0.73%
S
25.SNOW

SNOWFLAKE INC

-28.5%
Value
$16.5M
Shares
9.30M
% Port
0.64%
X

XEROX HOLDINGS CORP

-28.8%
Value
$16M
Shares
5.10M
% Port
0.62%
W
27.WDC

WESTERN DIGITAL CORP

-2.0%
Value
$15.9M
Shares
24.9K
% Port
0.62%
G

GAMESTOP CORP

Value
$15.2M
Shares
14.94M
% Port
0.59%
I
29.IAU

ISHARES GOLD TR

Unchanged
Value
$15.1M
Shares
200.0K
% Port
0.59%
K

KIMCO REALTY CORP

+0.0%
Value
$15M
Shares
237.1K
% Port
0.58%
S
31.SPY

STATE STR SPDR S&P 500 ETF T

+375.0%
Value
$14.2M
Shares
19.0K
% Port
0.55%
G

ALPHABET INC

Value
$13.4M
Shares
266.6K
% Port
0.52%
S
33.SPY

STATE STR SPDR S&P 500 ETF T

+331.7%
Value
$12.9M
Shares
17.3K
% Port
0.50%
P
34.PEN

PENUMBRA INC

+4.1%
Value
$12.2M
Shares
38.7K
% Port
0.48%
I
35.IONS

IONIS PHARMACEUTICALS INC

+7514.4%
Value
$12.1M
Shares
152.3K
% Port
0.47%
B
36.BBIO

BRIDGEBIO PHARMA INC

-29.0%
Value
$12.1M
Shares
7.17M
% Port
0.47%
C
37.CELC

CELCUITY INC

-15.8%
Value
$11.9M
Shares
5.31M
% Port
0.47%
H
38.HAE

HAEMONETICS CORP MASS

+9326.2%
Value
$11.6M
Shares
11.50M
% Port
0.45%
P
39.PEN

PENUMBRA INC

-3.0%
Value
$11.4M
Shares
36.1K
% Port
0.44%
G
40.GH

GUARDANT HEALTH INC

-35.6%
Value
$11.3M
Shares
4.51M
% Port
0.44%
?
41.N/A

MARA HOLDINGS INC

-39.4%
Value
$11.1M
Shares
10.00M
% Port
0.43%
B
42.BKD

BROOKDALE SR LIVING INC

Unchanged
Value
$11M
Shares
5.63M
% Port
0.43%
?
43.N/A

ALNYLAM PHARMACEUTICALS INC

-51.2%
Value
$10.9M
Shares
9.06M
% Port
0.42%
T
44.TMDX

TRANSMEDICS GROUP INC

Value
$10.9M
Shares
10.00M
% Port
0.42%
O
45.ON

ON SEMICONDUCTOR CORP

+19488.6%
Value
$10.4M
Shares
8.62M
% Port
0.40%
O

OCEANHAWK ACQUISITION CORP

Value
$10.3M
Shares
1.04M
% Port
0.40%
P
47.PPLC

PPL CAP FDG INC

+201.4%
Value
$10.2M
Shares
8.99M
% Port
0.40%
F

FUTURECORP SPACE ACQUISITION

Value
$10.1M
Shares
1.00M
% Port
0.39%
E
49.EA

ELECTRONIC ARTS INC

+1095.0%
Value
$9.8M
Shares
47.8K
% Port
0.38%
M
50.MARA

MARA HOLDINGS INC

-26.8%
Value
$9.5M
Shares
9.47M
% Port
0.37%