CSS LLC/IL

Filed: 11/13/2025ACC: 0001103646-25-000009

📋 What this filing means

CSS LLC/IL filed this quarterly 13F‑HR report disclosing 827 equity positions with a total reported market value of $2.23B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

827

Positions

$2.23B

Total AUM (reported)

776.01M

Total Shares

Allocation by class

COM$390.71M17.5%

CL A NEW$96.28M4.3%

CL A$86.61M3.9%

TR UNIT$85.47M3.8%

NOTE 1.125% 9/0$77.10M3.5%

NOTE 4/0$76.71M3.4%

NOTE 3.125% 1/1$73.45M3.3%

Portfolio Concentration

Top 3$257.04M11.5%

4–10$384.84M17.3%

11–25$382.87M17.2%

Rest$1.20B54.0%

Top 3 weight

11.5%

Top 10 weight

28.8%

Voting Authority Distribution

Total shares with voting rights: 776.01M

Sole

Full voting authority

776.01M

% of voting shares100.0%

Shared

Joint voting authority

0.00

% of voting shares0.0%

None

No voting authority

0.00

% of voting shares0.0%

Investment Discretion (by position count)

Sole827

Shared0

Other0

Dominant voting typeSole · 100.0% of voting shares

Institutional Holdings827

Rows:

STRATEGY INC

SOLE

CL A NEW

Shares293.20K

TypeSH

Market value$94.47M

4.24%

Sole

293.20K

Shared

0.00

None

0.00

SPDR S&P 500 ETF TR

SOLE

TR UNIT

Shares128.30K

TypeSH

Market value$85.47M

3.83%

Sole

128.30K

Shared

0.00

None

0.00

STRIDE INC

SOLE

NOTE 1.125% 9/0

Shares27.27M

TypePRN

Market value$77.10M

3.46%

Sole

27.27M

Shared

0.00

None

0.00

IONIS PHARMACEUTICALS INC

SOLE

NOTE 4/0

Shares62.38M

TypePRN

Market value$76.71M

3.44%

Sole

62.38M

Shared

0.00

None

0.00

LIVE NATION ENTERTAINMENT IN

SOLE

NOTE 3.125% 1/1

Shares45.26M

TypePRN

Market value$73.45M

3.29%

Sole

45.26M

Shared

0.00

None

0.00

JAZZ INVESTMENTS I LTD

SOLE

NOTE 2.000% 6/1

Shares62.57M

TypePRN

Market value$66.26M

2.97%

Sole

62.57M

Shared

0.00

None

0.00

LUMENTUM HLDGS INC

SOLE

NOTE 0.500% 6/1

Shares35.46M

TypePRN

Market value$49.53M

2.22%

Sole

35.46M

Shared

0.00

None

0.00

GAMESTOP CORP NEW

SOLE

CL A

Shares1.59M

TypeSH

Market value$43.38M

1.95%

Sole

1.59M

Shared

0.00

None

0.00

PEABODY ENGR CORP

SOLE

NOTE 3.250% 3/0

Shares25.52M

TypePRN

Market value$38.49M

1.73%

Sole

25.52M

Shared

0.00

None

0.00

SANDISK CORP

SOLE

PUT

Shares330K

TypeSH

Market value$37.03M

1.66%

Sole

330K

Shared

0.00

None

0.00

EQUINOX GOLD CORP

SOLE

NOTE 4.750%10/1

Shares18.94M

TypePRN

Market value$36.40M

1.63%

Sole

18.94M

Shared

0.00

None

0.00

WAYFAIR INC

SOLE

NOTE 3.500%11/1

Shares17.19M

TypePRN

Market value$35.68M

1.60%

Sole

17.19M

Shared

0.00

None

0.00

ECHOSTAR CORP

SOLE

NOTE 3.875%11/3

Shares14.41M

TypePRN

Market value$35.36M

1.59%

Sole

14.41M

Shared

0.00

None

0.00

IONIS PHARMACEUTICALS INC

SOLE

NOTE 1.750% 6/1

Shares24.50M

TypePRN

Market value$33.85M

1.52%

Sole

24.50M

Shared

0.00

None

0.00

LUMENTUM HLDGS INC

SOLE

NOTE 1.500%12/1

Shares13.50M

TypePRN

Market value$32.63M

1.46%

Sole

13.50M

Shared

0.00

None

0.00

TRANSOCEAN INC

SOLE

DEB 4.625% 9/3

Shares22.82M

TypePRN

Market value$27.47M

1.23%

Sole

22.82M

Shared

0.00

None

0.00

STRATEGY INC

SOLE

NOTE 0.625% 9/1

Shares14.50M

TypePRN

Market value$27.46M

1.23%

Sole

14.50M

Shared

0.00

None

0.00

STRATEGY INC

SOLE

NOTE 0.625% 3/1

Shares11.24M

TypePRN

Market value$25.16M

1.13%

Sole

11.24M

Shared

0.00

None

0.00

STRATEGY INC

SOLE

NOTE 2.250% 6/1

Shares11.90M

TypePRN

Market value$21.24M

0.95%

Sole

11.90M

Shared

0.00

None

0.00

PTC THERAPEUTICS INC

SOLE

NOTE 1.500% 9/1

Shares16M

TypePRN

Market value$20.55M

0.92%

Sole

16M

Shared

0.00

None

0.00

MARA HOLDINGS INC

SOLE

NOTE 2.125% 9/0

Shares16M

TypePRN

Market value$19.49M

0.87%

Sole

16M

Shared

0.00

None

0.00

VANGUARD INDEX FDS

SOLE

S&P 500 ETF SHS

Shares27.99K

TypeSH

Market value$17.14M

0.77%

Sole

27.99K

Shared

0.00

None

0.00

INVESCO EXCHANGE TRADED FD T

SOLE

S&P500 EQL WGT

Shares89.47K

TypeSH

Market value$16.97M

0.76%

Sole

89.47K

Shared

0.00

None

0.00

WEC ENERGY GROUP INC

SOLE

NOTE 4.375% 6/0

Shares13.98M

TypePRN

Market value$16.76M

0.75%

Sole

13.98M

Shared

0.00

None

0.00

KIMCO RLTY CORP

SOLE

DP CV CL N 7.25%

Shares276.27K

TypeSH

Market value$16.71M

0.75%

Sole

276.27K

Shared

0.00

None

0.00

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole
STRATEGY INCSOLE	CL A NEW	293.20K	SH	$94.47M 4.24%	293.20K
SPDR S&P 500 ETF TRSOLE	TR UNIT	128.30K	SH	$85.47M 3.83%	128.30K
STRIDE INCSOLE	NOTE 1.125% 9/0	27.27M	PRN	$77.10M 3.46%	27.27M
IONIS PHARMACEUTICALS INCSOLE	NOTE 4/0	62.38M	PRN	$76.71M 3.44%	62.38M
LIVE NATION ENTERTAINMENT INSOLE	NOTE 3.125% 1/1	45.26M	PRN	$73.45M 3.29%	45.26M
JAZZ INVESTMENTS I LTDSOLE	NOTE 2.000% 6/1	62.57M	PRN	$66.26M 2.97%	62.57M
LUMENTUM HLDGS INCSOLE	NOTE 0.500% 6/1	35.46M	PRN	$49.53M 2.22%	35.46M
GAMESTOP CORP NEWSOLE	CL A	1.59M	SH	$43.38M 1.95%	1.59M
PEABODY ENGR CORPSOLE	NOTE 3.250% 3/0	25.52M	PRN	$38.49M 1.73%	25.52M
SANDISK CORPSOLE	PUT	330K	SH	$37.03M 1.66%	330K
EQUINOX GOLD CORPSOLE	NOTE 4.750%10/1	18.94M	PRN	$36.40M 1.63%	18.94M
WAYFAIR INCSOLE	NOTE 3.500%11/1	17.19M	PRN	$35.68M 1.60%	17.19M
ECHOSTAR CORPSOLE	NOTE 3.875%11/3	14.41M	PRN	$35.36M 1.59%	14.41M
IONIS PHARMACEUTICALS INCSOLE	NOTE 1.750% 6/1	24.50M	PRN	$33.85M 1.52%	24.50M
LUMENTUM HLDGS INCSOLE	NOTE 1.500%12/1	13.50M	PRN	$32.63M 1.46%	13.50M
TRANSOCEAN INCSOLE	DEB 4.625% 9/3	22.82M	PRN	$27.47M 1.23%	22.82M
STRATEGY INCSOLE	NOTE 0.625% 9/1	14.50M	PRN	$27.46M 1.23%	14.50M
STRATEGY INCSOLE	NOTE 0.625% 3/1	11.24M	PRN	$25.16M 1.13%	11.24M
STRATEGY INCSOLE	NOTE 2.250% 6/1	11.90M	PRN	$21.24M 0.95%	11.90M
PTC THERAPEUTICS INCSOLE	NOTE 1.500% 9/1	16M	PRN	$20.55M 0.92%	16M
MARA HOLDINGS INCSOLE	NOTE 2.125% 9/0	16M	PRN	$19.49M 0.87%	16M
VANGUARD INDEX FDSSOLE	S&P 500 ETF SHS	27.99K	SH	$17.14M 0.77%	27.99K
INVESCO EXCHANGE TRADED FD TSOLE	S&P500 EQL WGT	89.47K	SH	$16.97M 0.76%	89.47K
WEC ENERGY GROUP INCSOLE	NOTE 4.375% 6/0	13.98M	PRN	$16.76M 0.75%	13.98M
KIMCO RLTY CORPSOLE	DP CV CL N 7.25%	276.27K	SH	$16.71M 0.75%	276.27K

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