CSS LLC/IL

All Holdings — 2025 Q4

AI Portfolio Summary
In 2025 Q4, CSS LLC/IL maintained a portfolio of 1307 distinct positions. The most significant new addition to the portfolio was WESTERN DIGITAL CORP, which now represents 2.53% of the total fund value. The fund also reduced its exposure to WAYFAIR INC by 70.2%.
PCA Score Concentration Risk
Risk ENB
Total Positions
1307
Quarter
2025 Q4
Top Holding
N/A (5.6%)
Top 10 Concentration
29.8%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 1307
Stock History Sector / Type Port % Prev % Rank / Prev Conviction Change % Change Influence Shares Mkt Value Avg Cost Price Held 1st Owned Source Source Date Date Reported
N/A
ECHOSTAR CORP
Bond/Debt 5.62% 1.59% #1 12
Prev: #13
7.2 23,417,044 162.5%
P
S
37,825,753 $126,549,196 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LUMENTUM HLDGS ...
Bond/Debt 5.11% 2.22% #2 4
Prev: #6
5.5 5,000,000 14.1%
P
S
40,464,000 $114,968,502 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
JAZZ INVESTMENT...
Bond/Debt 3.35% 2.97% #3 2
Prev: #5
2.8 2,500,000 4.0%
P
S
65,074,000 $75,403,847 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
IONIS PHARMACEU...
Bond/Debt 2.73% 3.44% #4 1
Prev: #3
1.6 -17,590,000 -28.2%
P
S
44,792,000 $61,521,858 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
WESTERN DIGITAL...
PUT
PUT Option 2.53% #5
Prev: #—
5.0 330,000 no change
NEW
330,000 $56,849,100 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PEABODY ENGR CO...
Bond/Debt 2.26% 1.73% #6 3
Prev: #9
2.9 4,750,000 18.6%
P
S
30,268,000 $50,880,387 13F Filing 2025-12-31 2026-02-14 (Est.)
SPY
SPDR S&P 500 ET...
CALL
CALL Option 2.20% 1.31% #7 9
Prev: #16
3.9 28,700 65.2%
P
S
72,700 $49,575,584 2014 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LIVE NATION ENT...
Bond/Debt 2.12% 3.29% #8 4
Prev: #4
0.8 -12,500,000 -27.6%
P
S
32,756,000 $47,635,184 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
EQUINOX GOLD CO...
Bond/Debt 1.97% 1.63% #9 2
Prev: #11
1.8 no change no change
P
S
18,936,000 $44,411,149 13F Filing 2025-12-31 2026-02-14 (Est.)
MSTR
STRATEGY INC
PUT
PUT Option 1.90% 4.23% #10 9
Prev: #1
1.3 -11,300 -3.9%
P
S
281,400 $42,758,730 2021 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
LUMENTUM HLDGS ...
Bond/Debt 1.77% 1.46% #11 4
Prev: #15
0.7 -6,000,000 -44.4%
P
S
7,500,000 $39,895,320 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
TRANSOCEAN INC
Unknown 1.67% 1.23% #12 5
Prev: #17
2.7 4,511,000 19.8%
P
S
27,333,000 $37,621,141 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
BRIDGEBIO PHARM...
Bond/Debt 1.33% 0.07% #13 212
Prev: #225
3.5 25,000,000 1666.7%
P
S
26,500,000 $29,828,533 13F Filing 2025-12-31 2026-02-14 (Est.)
BAC/PRL
BANK AMERICA CO...
Preferred 1.31% 0.21% #14 73
Prev: #87
3.5 20,048 554.9%
P
S
23,661 $29,526,621 2018 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
GME
GAMESTOP CORP N...
PUT
PUT Option 1.30% 1.95% #15 8
Prev: #7
1.0 -132,500 -8.3%
P
S
1,457,500 $29,266,600 2019 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
GLD
SPDR GOLD TR
PUT
PUT Option 1.09% 0.56% #16 20
Prev: #36
3.4 27,000 77.1%
P
S
62,000 $24,571,220 2013 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
SPY
SPDR S&P 500 ET...
PUT
PUT Option 0.99% 1.88% #17 9
Prev: #8
0.4 -30,500 -48.4%
P
S
32,500 $22,162,400 2014 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
GUARDANT HEALTH...
Bond/Debt 0.89% #18
Prev: #—
3.9 11,000,000 no change
NEW
11,000,000 $20,126,260 13F Filing 2025-12-31 2026-02-14 (Est.)
VOO
VANGUARD INDEX ...
ETF 0.88% 0.77% #19 4
Prev: #23
2.4 3,660 13.1%
P
S
31,650 $19,848,664 2023 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
AAL
AMERICAN AIRLS ...
PUT
PUT Option 0.83% 0.70% #20 9
Prev: #29
0.8 -171,500 -12.4%
P
S
1,211,900 $18,578,427 2014 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
RSP
INVESCO EXCHANG...
Unknown 0.81% 0.76% #21 3
Prev: #24
2.3 5,370 6.0%
P
S
94,842 $18,167,934 2023 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
CORZW
CORE SCIENTIFIC...
Unknown 0.76% 0.53% #22 16
Prev: #38
3.3 1,012,765 99.4%
P
S
2,031,951 $17,190,305 2024 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
IAU
ISHARES GOLD TR
ETF 0.71% 0.60% #23 10
Prev: #33
2.3 12,020 6.5%
P
S
197,260 $16,011,594 2023 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
MANNKIND CORP
Bond/Debt 0.71% 0.71% #24 4
Prev: #28
1.3 no change no change
P
S
13,980,000 $15,906,444 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
SNOWFLAKE INC
Bond/Debt 0.69% 0.74% #25 2
Prev: #27
0.8 -466,000 -4.3%
P
S
10,393,000 $15,445,204 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
AKAMAI TECHNOLO...
Bond/Debt 0.68% 0.30% #26 35
Prev: #61
3.3 8,469,000 120.4%
P
S
15,505,000 $15,353,113 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
COLLEGIUM PHARM...
Bond/Debt 0.66% #27
Prev: #—
3.8 10,500,000 no change
NEW
10,500,000 $14,799,771 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
VENTAS RLTY LTD...
Bond/Debt 0.65% 0.17% #28 77
Prev: #105
3.3 7,340,000 246.6%
P
S
10,317,000 $14,573,361 13F Filing 2025-12-31 2026-02-14 (Est.)
SOFI
SOFI TECHNOLOGI...
PUT
PUT Option 0.63% 0.68% #29 1
Prev: #30
0.8 -30,000 -5.2%
P
S
544,900 $14,265,482 2021 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
STRIDE INC
Bond/Debt 0.63% 3.46% #30 28
Prev: #2
0.3 -16,974,000 -62.2%
P
S
10,300,000 $14,063,919 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
MARA HOLDINGS I...
Bond/Debt 0.61% 0.87% #31 9
Prev: #22
2.2 1,000,000 6.2%
P
S
17,000,000 $13,765,954 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
BEYOND MEAT INC
Bond/Debt 0.58% #32
Prev: #—
3.7 17,118,000 no change
NEW
17,118,000 $13,109,855 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
HAEMONETICS COR...
Bond/Debt 0.58% #33
Prev: #—
3.7 12,500,000 no change
NEW
12,500,000 $12,983,412 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PPL CAP FDG INC
Bond/Debt 0.56% #34
Prev: #—
3.7 11,464,000 no change
NEW
11,464,000 $12,586,268 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
FLUENCE ENERGY ...
Bond/Debt 0.55% #35
Prev: #—
3.7 10,140,000 no change
NEW
10,140,000 $12,275,504 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
WAYFAIR INC
Bond/Debt 0.52% 1.60% #36 24
Prev: #12
0.2 -12,067,000 -70.2%
P
S
5,124,000 $11,767,502 13F Filing 2025-12-31 2026-02-14 (Est.)
KIM/PRN
KIMCO RLTY CORP
Unknown 0.52% 0.75% #37 11
Prev: #26
0.2 -76,099 -27.5%
P
S
200,173 $11,655,173 2024 Q1 13F Filing 2025-12-31 2026-02-14 (Est.)
RKLB
ROCKET LAB CORP
PUT
PUT Option 0.47% 0.33% #38 14
Prev: #52
1.2 no change no change
P
S
151,600 $10,575,616 2021 Q3 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
CIPHER MINING I...
Bond/Debt 0.46% 0.40% #39 6
Prev: #45
1.2 no change no change
P
S
3,000,000 $10,457,364 13F Filing 2025-12-31 2026-02-14 (Est.)
SWZ
TOTAL RETURN SE...
Unknown 0.46% 0.15% #40 80
Prev: #120
3.2 1,114,324 204.6%
P
S
1,659,007 $10,319,024 2013 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
WOLFSPEED INC
Bond/Debt 0.45% #41
Prev: #—
3.7 6,822,000 no change
NEW
6,822,000 $10,087,596 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
FORD MTR CO
Bond/Debt 0.43% 0.07% #42 163
Prev: #205
3.2 7,731,000 483.2%
P
S
9,331,000 $9,673,625 13F Filing 2025-12-31 2026-02-14 (Est.)
SOFI
SOFI TECHNOLOGI...
Financial Services 0.42% #43
Prev: #—
3.7 358,863 no change
NEW
358,863 $9,395,033 2021 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
SATS
ECHOSTAR CORP
PUT
PUT Option 0.41% 0.27% #44 23
Prev: #67
2.2 6,250 7.9%
P
S
85,200 $9,261,240 2024 Q2 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
CELCUITY INC
Bond/Debt 0.41% #45
Prev: #—
3.7 4,210,000 no change
NEW
4,210,000 $9,147,737 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
MARA HOLDINGS I...
Bond/Debt 0.40% #46
Prev: #—
3.7 11,500,000 no change
NEW
11,500,000 $9,024,130 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
PTC THERAPEUTIC...
Bond/Debt 0.40% 0.92% #47 26
Prev: #21
0.2 -10,000,000 -62.5%
P
S
6,000,000 $8,914,140 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
STRATEGY INC
Bond/Debt 0.39% 0.95% #48 28
Prev: #20
0.2 -4,012,000 -33.7%
P
S
7,885,000 $8,758,997 13F Filing 2025-12-31 2026-02-14 (Est.)
STEW
SRH TOTAL RETUR...
Financial Services 0.38% 0.38% #49 2
Prev: #47
0.7 180 0.0%
P
S
461,965 $8,564,831 2013 Q4 13F Filing 2025-12-31 2026-02-14 (Est.)
N/A
SUPER MICRO COM...
Bond/Debt 0.38% 0.18% #50 47
Prev: #97
3.2 5,500,000 137.5%
P
S
9,500,000 $8,503,678 13F Filing 2025-12-31 2026-02-14 (Est.)
Showing 1-50 of 1307 holdings

Unlock Full CSS LLC/IL Analysis

PRO subscribers get access to all historical quarters, Excel/CSV exports, Portfolio Concentration Analytics (PCA), and Risk-Based ENB.

Full Historical Quarters
Excel & CSV Export
PCA & Risk-Based ENB
Auto Cost Basis
Position Change Alerts
Price-Held Analytics