WHITEBOX ADVISORS LLC

Filed: 5/15/2026ACC: 0001257391-26-000004

📋 What this filing means

WHITEBOX ADVISORS LLC filed this quarterly 13F‑HR report disclosing 563 equity positions with a total reported market value of $8.12B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.

563

Positions

$8.12B

Total AUM (reported)

2.65B

Total Shares

Allocation by class

NOTE 3.000%11/1$1.46B18.0%

COM$1.05B13.0%

NOTE 1.500%12/1$716.15M8.8%

NOTE 3.875%11/3$365.06M4.5%

NOTE 10/0$337.07M4.1%

TR UNIT$325.17M4.0%

NOTE 0.500%12/1$231.40M2.8%

Portfolio Concentration

Top 3$2.54B31.3%

4–10$1.51B18.6%

11–25$1.67B20.6%

Rest$2.40B29.5%

Top 3 weight

31.3%

Top 10 weight

49.9%

Voting Authority Distribution

Total shares with voting rights: 2.62B

Sole

Full voting authority

2.62B

% 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)

Sole563

Shared0

Other0

Dominant voting typeSole · 100.0% of voting shares

Institutional Holdings563

Rows:

WESTERN DIGITAL CORP

SOLE

NOTE 3.000%11/1

Shares204.40M

TypePRN

Market value$1.46B

18.01%

Sole

204.40M

Shared

0.00

None

0.00

LUMENTUM HLDGS INC

SOLE

NOTE 1.500%12/1

Shares71.03M

TypePRN

Market value$716.15M

8.81%

Sole

71.03M

Shared

0.00

None

0.00

ECHOSTAR CORP

SOLE

NOTE 3.875%11/3

Shares102.20M

TypePRN

Market value$365.06M

4.49%

Sole

102.20M

Shared

0.00

None

0.00

STATE STR SPDR S&P 500 ETF T

SOLE

TR UNIT

Shares500K

TypeSH

Market value$325.17M

4.00%

Sole

500K

Shared

0.00

None

0.00

LUMENTUM HLDGS INC

SOLE

NOTE 0.500%12/1

Shares32.10M

TypePRN

Market value$226.90M

2.79%

Sole

32.10M

Shared

0.00

None

0.00

ALIBABA GROUP HLDG LTD

SOLE

NOTE 0.500% 6/0

Shares159.90M

TypePRN

Market value$221.78M

2.73%

Sole

159.90M

Shared

0.00

None

0.00

SPHERE ENTERTAINMENT CO

SOLE

NOTE 3.500%12/0

Shares64.50M

TypePRN

Market value$216.80M

2.67%

Sole

64.50M

Shared

0.00

None

0.00

ISHARES TR

SOLE

RUSSELL 2000 ETF

Shares750K

TypeSH

Market value$186.00M

2.29%

Sole

750K

Shared

0.00

None

0.00

SNOWFLAKE INC

SOLE

NOTE 10/0

Shares142.81M

TypePRN

Market value$174.74M

2.15%

Sole

142.81M

Shared

0.00

None

0.00

SNOWFLAKE INC

SOLE

NOTE 10/0

Shares137.45M

TypePRN

Market value$162.33M

2.00%

Sole

137.45M

Shared

0.00

None

0.00

APPLIED DIGITAL CORP

SOLE

NOTE 2.750% 6/0

Shares60.80M

TypePRN

Market value$161.24M

1.98%

Sole

60.80M

Shared

0.00

None

0.00

CHART INDS INC

SOLE

COM

Shares758.89K

TypeSH

Market value$156.90M

1.93%

Sole

758.89K

Shared

0.00

None

0.00

PENUMBRA INC

SOLE

COM

Shares445K

TypeSH

Market value$146.12M

1.80%

Sole

445K

Shared

0.00

None

0.00

NVIDIA CORPORATION

SOLE

COM

Shares800K

TypeSH

Market value$139.52M

1.72%

Sole

800K

Shared

0.00

None

0.00

TRIP COM GROUP LTD

SOLE

NOTE 0.750% 6/1

Shares131.73M

TypePRN

Market value$136.31M

1.68%

Sole

131.73M

Shared

0.00

None

0.00

WEBSTER FINL CORP

SOLE

COM

Shares1.93M

TypeSH

Market value$133.63M

1.64%

Sole

1.93M

Shared

0.00

None

0.00

STRATEGY INC

SOLE

NOTE 2.250% 6/1

Shares112M

TypePRN

Market value$114.18M

1.41%

Sole

112M

Shared

0.00

None

0.00

COINBASE GLOBAL INC

SOLE

NOTE 0.250% 4/0

Shares120.46M

TypePRN

Market value$111.60M

1.37%

Sole

120.46M

Shared

0.00

None

0.00

SUPER MICRO COMPUTER INC

SOLE

COM NEW

Shares4.60M

TypeSH

Market value$104.74M

1.29%

Sole

4.60M

Shared

0.00

None

0.00

CENTRUS ENERGY CORP

SOLE

NOTE 2.250%11/0

Shares45.60M

TypePRN

Market value$92.48M

1.14%

Sole

45.60M

Shared

0.00

None

0.00

TERNS PHARMACEUTICALS INC

SOLE

COM

Shares1.50M

TypeSH

Market value$79.08M

0.97%

Sole

1.50M

Shared

0.00

None

0.00

WARNER BROS DISCOVERY INC

SOLE

COM SER A

Shares2.72M

TypeSH

Market value$74.55M

0.92%

Sole

2.72M

Shared

0.00

None

0.00

LIBERTY BROADBAND CORP

SOLE

COM SER C

Shares1.48M

TypeSH

Market value$74.33M

0.91%

Sole

1.48M

Shared

0.00

None

0.00

RIVIAN AUTOMOTIVE INC

SOLE

NOTE 3.625%10/1

Shares77.24M

TypePRN

Market value$73.97M

0.91%

Sole

77.24M

Shared

0.00

None

0.00

STRATEGY INC

SOLE

NOTE 12/0

Shares86.05M

TypePRN

Market value$71.80M

0.88%

Sole

86.05M

Shared

0.00

None

0.00

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole
WESTERN DIGITAL CORPSOLE	NOTE 3.000%11/1	204.40M	PRN	$1.46B 18.01%	204.40M
LUMENTUM HLDGS INCSOLE	NOTE 1.500%12/1	71.03M	PRN	$716.15M 8.81%	71.03M
ECHOSTAR CORPSOLE	NOTE 3.875%11/3	102.20M	PRN	$365.06M 4.49%	102.20M
STATE STR SPDR S&P 500 ETF TSOLE	TR UNIT	500K	SH	$325.17M 4.00%	500K
LUMENTUM HLDGS INCSOLE	NOTE 0.500%12/1	32.10M	PRN	$226.90M 2.79%	32.10M
ALIBABA GROUP HLDG LTDSOLE	NOTE 0.500% 6/0	159.90M	PRN	$221.78M 2.73%	159.90M
SPHERE ENTERTAINMENT COSOLE	NOTE 3.500%12/0	64.50M	PRN	$216.80M 2.67%	64.50M
ISHARES TRSOLE	RUSSELL 2000 ETF	750K	SH	$186.00M 2.29%	750K
SNOWFLAKE INCSOLE	NOTE 10/0	142.81M	PRN	$174.74M 2.15%	142.81M
SNOWFLAKE INCSOLE	NOTE 10/0	137.45M	PRN	$162.33M 2.00%	137.45M
APPLIED DIGITAL CORPSOLE	NOTE 2.750% 6/0	60.80M	PRN	$161.24M 1.98%	60.80M
CHART INDS INCSOLE	COM	758.89K	SH	$156.90M 1.93%	758.89K
PENUMBRA INCSOLE	COM	445K	SH	$146.12M 1.80%	445K
NVIDIA CORPORATIONSOLE	COM	800K	SH	$139.52M 1.72%	800K
TRIP COM GROUP LTDSOLE	NOTE 0.750% 6/1	131.73M	PRN	$136.31M 1.68%	131.73M
WEBSTER FINL CORPSOLE	COM	1.93M	SH	$133.63M 1.64%	1.93M
STRATEGY INCSOLE	NOTE 2.250% 6/1	112M	PRN	$114.18M 1.41%	112M
COINBASE GLOBAL INCSOLE	NOTE 0.250% 4/0	120.46M	PRN	$111.60M 1.37%	120.46M
SUPER MICRO COMPUTER INCSOLE	COM NEW	4.60M	SH	$104.74M 1.29%	4.60M
CENTRUS ENERGY CORPSOLE	NOTE 2.250%11/0	45.60M	PRN	$92.48M 1.14%	45.60M
TERNS PHARMACEUTICALS INCSOLE	COM	1.50M	SH	$79.08M 0.97%	1.50M
WARNER BROS DISCOVERY INCSOLE	COM SER A	2.72M	SH	$74.55M 0.92%	2.72M
LIBERTY BROADBAND CORPSOLE	COM SER C	1.48M	SH	$74.33M 0.91%	1.48M
RIVIAN AUTOMOTIVE INCSOLE	NOTE 3.625%10/1	77.24M	PRN	$73.97M 0.91%	77.24M
STRATEGY INCSOLE	NOTE 12/0	86.05M	PRN	$71.80M 0.88%	86.05M

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