CSS LLC/IL

Filed: 2/18/2025ACC: 0001085146-25-001728

📋 What this filing means

CSS LLC/IL filed this quarterly 13F‑HR report disclosing 767 equity positions with a total reported market value of $2.27B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

767

Positions

$2.27B

Total AUM (reported)

858.36M

Total Shares

Allocation by class

COM$454.59M20.1%

CL A NEW$116.53M5.1%

TR UNIT$88.38M3.9%

NOTE 0.500%12/1$80.25M3.5%

NOTE 6.500% 7/0$79.23M3.5%

NOTE 1.125% 9/0$54.96M2.4%

CL A$54.22M2.4%

Portfolio Concentration

Top 3$283.15M12.5%

4–10$373.08M16.5%

11–25$381.59M16.8%

Rest$1.23B54.2%

Top 3 weight

12.5%

Top 10 weight

29.0%

Voting Authority Distribution

Total shares with voting rights: 858.36M

Sole

Full voting authority

858.36M

% 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)

Sole767

Shared0

Other0

Dominant voting typeSole · 100.0% of voting shares

Institutional Holdings767

Rows:

MICROSTRATEGY INC

SOLE

CL A NEW

Shares400.70K

TypeSH

Market value$116.05M

5.12%

Sole

400.70K

Shared

0.00

None

0.00

SPDR S&P 500 ETF TR

SOLE

TR UNIT

Shares148.17K

TypeSH

Market value$86.84M

3.83%

Sole

148.17K

Shared

0.00

None

0.00

AXON ENTERPRISE INC

SOLE

NOTE 0.500%12/1

Shares30.75M

TypePRN

Market value$80.25M

3.54%

Sole

30.75M

Shared

0.00

None

0.00

AMERICAN AIRLINES GROUP INC

SOLE

NOTE 6.500% 7/0

Shares67.68M

TypePRN

Market value$79.23M

3.50%

Sole

67.68M

Shared

0.00

None

0.00

AMERICAN AIRLS GROUP INC

SOLE

COM

Shares3.16M

TypeSH

Market value$55.15M

2.43%

Sole

3.16M

Shared

0.00

None

0.00

STRIDE INC

SOLE

NOTE 1.125% 9/0

Shares27.27M

TypePRN

Market value$54.96M

2.43%

Sole

27.27M

Shared

0.00

None

0.00

CHART INDS INC

SOLE

6.75DP CNV PFD B

Shares733.80K

TypeSH

Market value$51.99M

2.30%

Sole

733.80K

Shared

0.00

None

0.00

PEABODY ENGR CORP

SOLE

NOTE 3.250% 3/0

Shares37.52M

TypePRN

Market value$47.63M

2.10%

Sole

37.52M

Shared

0.00

None

0.00

APOLLO GLOBAL MGMT INC

SOLE

SER A MAND CNV

Shares489.36K

TypeSH

Market value$42.65M

1.88%

Sole

489.36K

Shared

0.00

None

0.00

JAZZ INVESTMENTS I LTD

SOLE

NOTE 2.000% 6/1

Shares40.95M

TypePRN

Market value$41.47M

1.83%

Sole

40.95M

Shared

0.00

None

0.00

INSMED INC

SOLE

NOTE 0.750% 6/0

Shares17.59M

TypePRN

Market value$38.20M

1.69%

Sole

17.59M

Shared

0.00

None

0.00

VANGUARD INDEX FDS

SOLE

S&P 500 ETF SHS

Shares69.45K

TypeSH

Market value$37.42M

1.65%

Sole

69.45K

Shared

0.00

None

0.00

IONIS PHARMACEUTICALS INC

SOLE

NOTE 4/0

Shares34.43M

TypePRN

Market value$33.43M

1.48%

Sole

34.43M

Shared

0.00

None

0.00

MACOM TECH SOLUTIONS HLDGS I

SOLE

COM

Shares227K

TypeSH

Market value$29.49M

1.30%

Sole

227K

Shared

0.00

None

0.00

MARRIOTT VACATIONS WORLDWIDE

SOLE

NOTE 1/1

Shares30.80M

TypePRN

Market value$29.31M

1.29%

Sole

30.80M

Shared

0.00

None

0.00

CENTERPOINT ENERGY INC

SOLE

NOTE 4.250% 8/1

Shares25M

TypePRN

Market value$25.55M

1.13%

Sole

25M

Shared

0.00

None

0.00

ARK ETF TR

SOLE

INNOVATION ETF

Shares413.32K

TypeSH

Market value$23.46M

1.04%

Sole

413.32K

Shared

0.00

None

0.00

IMAX CORP

SOLE

NOTE 0.500% 4/0

Shares22M

TypePRN

Market value$23.46M

1.04%

Sole

22M

Shared

0.00

None

0.00

KIMCO RLTY CORP

SOLE

DP CV CL N 7.25%

Shares386.69K

TypeSH

Market value$23.45M

1.04%

Sole

386.69K

Shared

0.00

None

0.00

PENN ENTERTAINMENT INC

SOLE

NOTE 2.750% 5/1

Shares21.20M

TypePRN

Market value$23.24M

1.03%

Sole

21.20M

Shared

0.00

None

0.00

TRAVERE THERAPEUTICS INC

SOLE

NOTE 2.500% 9/1

Shares21.11M

TypePRN

Market value$20.90M

0.92%

Sole

21.11M

Shared

0.00

None

0.00

BROOKDALE SR LIVING INC

SOLE

UNIT 11/15/2025

Shares286.14K

TypeSH

Market value$19.78M

0.87%

Sole

286.14K

Shared

0.00

None

0.00

APPLIED OPTOELECTRONICS INC

SOLE

NOTE 2.750% 1/1

Shares16.25M

TypePRN

Market value$18.15M

0.80%

Sole

16.25M

Shared

0.00

None

0.00

INVESCO EXCHANGE TRADED FD T

SOLE

S&P500 EQL WGT

Shares103.41K

TypeSH

Market value$18.12M

0.80%

Sole

103.41K

Shared

0.00

None

0.00

SNAP INC

SOLE

NOTE 0.750% 8/0

Shares18.09M

TypePRN

Market value$17.62M

0.78%

Sole

18.09M

Shared

0.00

None

0.00

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole
MICROSTRATEGY INCSOLE	CL A NEW	400.70K	SH	$116.05M 5.12%	400.70K
SPDR S&P 500 ETF TRSOLE	TR UNIT	148.17K	SH	$86.84M 3.83%	148.17K
AXON ENTERPRISE INCSOLE	NOTE 0.500%12/1	30.75M	PRN	$80.25M 3.54%	30.75M
AMERICAN AIRLINES GROUP INCSOLE	NOTE 6.500% 7/0	67.68M	PRN	$79.23M 3.50%	67.68M
AMERICAN AIRLS GROUP INCSOLE	COM	3.16M	SH	$55.15M 2.43%	3.16M
STRIDE INCSOLE	NOTE 1.125% 9/0	27.27M	PRN	$54.96M 2.43%	27.27M
CHART INDS INCSOLE	6.75DP CNV PFD B	733.80K	SH	$51.99M 2.30%	733.80K
PEABODY ENGR CORPSOLE	NOTE 3.250% 3/0	37.52M	PRN	$47.63M 2.10%	37.52M
APOLLO GLOBAL MGMT INCSOLE	SER A MAND CNV	489.36K	SH	$42.65M 1.88%	489.36K
JAZZ INVESTMENTS I LTDSOLE	NOTE 2.000% 6/1	40.95M	PRN	$41.47M 1.83%	40.95M
INSMED INCSOLE	NOTE 0.750% 6/0	17.59M	PRN	$38.20M 1.69%	17.59M
VANGUARD INDEX FDSSOLE	S&P 500 ETF SHS	69.45K	SH	$37.42M 1.65%	69.45K
IONIS PHARMACEUTICALS INCSOLE	NOTE 4/0	34.43M	PRN	$33.43M 1.48%	34.43M
MACOM TECH SOLUTIONS HLDGS ISOLE	COM	227K	SH	$29.49M 1.30%	227K
MARRIOTT VACATIONS WORLDWIDESOLE	NOTE 1/1	30.80M	PRN	$29.31M 1.29%	30.80M
CENTERPOINT ENERGY INCSOLE	NOTE 4.250% 8/1	25M	PRN	$25.55M 1.13%	25M
ARK ETF TRSOLE	INNOVATION ETF	413.32K	SH	$23.46M 1.04%	413.32K
IMAX CORPSOLE	NOTE 0.500% 4/0	22M	PRN	$23.46M 1.04%	22M
KIMCO RLTY CORPSOLE	DP CV CL N 7.25%	386.69K	SH	$23.45M 1.04%	386.69K
PENN ENTERTAINMENT INCSOLE	NOTE 2.750% 5/1	21.20M	PRN	$23.24M 1.03%	21.20M
TRAVERE THERAPEUTICS INCSOLE	NOTE 2.500% 9/1	21.11M	PRN	$20.90M 0.92%	21.11M
BROOKDALE SR LIVING INCSOLE	UNIT 11/15/2025	286.14K	SH	$19.78M 0.87%	286.14K
APPLIED OPTOELECTRONICS INCSOLE	NOTE 2.750% 1/1	16.25M	PRN	$18.15M 0.80%	16.25M
INVESCO EXCHANGE TRADED FD TSOLE	S&P500 EQL WGT	103.41K	SH	$18.12M 0.80%	103.41K
SNAP INCSOLE	NOTE 0.750% 8/0	18.09M	PRN	$17.62M 0.78%	18.09M

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