Coliseum Capital Management, LLC

Rowayton, CT · CIK 1409751 · 13F filing filed 2026-02-17

SEC-registered investment adviser since 2012 · limited liability company

Assets managed$2.3bn
Staff15 · 7 in investment roles
Main clients (by assets)Private funds 84%, Companies 16%
Private funds4 (2 hedge) · $1.9bn gross assets
Form ADV · 2026-03-30SEC adviser record

Legal entityCOLISEUM CAPITAL MANAGEMENT, LLC (US)

$1.2bn reported value +19.2% vs Q3 2025

13positions

94.5%in top 10

3 new 4 added 3 reduced 1 sold out vs Q3 2025

This report includes the holdings of 2 other managers that share the investment decisions:

Gray Adam – reports through this filing
Shackelton Christopher S – reports through this filing

Shares in two reports are counted once in each security's totals.

Holdings, Q4 2025

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change	Shares change
1	SONOS INC COM SONO	SONO	14,930,280	$262.2m21.48%	21.48%	Unchanged
2	HERC HLDGS INC COM HRI	HRI	1,588,648	$235.7m19.31%	19.31%	Reduced -316.5k	-316,523 -16.6%
3	MASTERBRAND INC COMMON STOCK MBC	MBC	10,772,614	$118.9m9.74%	9.74%	Added +3.2m	+3,209,323 42.4%
4	UNIVERSAL TECHNICAL INST INC COM UTI	UTI	3,971,440	$103.8m8.50%	8.50%	Added +1.3m	+1,255,173 46.2%
5	NCR ATLEOS CORPORATION COM SHS NATL	NATL	2,571,148	$98.0m8.03%	8.03%	Reduced -132.6k	-132,602 -4.9%
6	WILLSCOT HLDGS CORP COM CL A WSC	WSC	5,111,602	$96.3m7.89%	7.89%	Added +2.1m	+2,117,247 70.7%
7	BUILDERS FIRSTSOURCE INC COM BLDR	BLDR	780,648	$80.3m6.58%	6.58%	New
8	MASTERCRAFT BOAT HLDGS INC COM MCFT	MCFT	3,697,422	$69.9m5.73%	5.73%	Added +134.8k	+134,807 3.8%
9	ATKORE INC COM ATKR	ATKR	809,305	$51.2m4.19%	4.19%	New
10	OWENS & MINOR INC NEW COM ACH	ACH	13,100,807	$36.7m3.01%	3.01%	Unchanged
11	PURPLE INNOVATION INC COM PRPL	PRPL	46,855,291	$32.4m2.65%	2.65%	Unchanged
12	PRIMO BRANDS CORPORATION CLASS A COM SHS PRMB	PRMB	1,216,361	$19.9m1.63%	1.63%	New
13	INNOVAGE HLDG CORP COM INNV	INNV	2,972,921	$15.4m1.26%	1.26%	Reduced -903.3k	-903,298 -23.3%

Sold out since Q3 2025

Security	Ticker	Shares held before	Value then
LAZYDAYS HLDGS INC		2,549,768	$5.3m2.5m shares

Stakes above 5%

Companies where this manager has reported owning more than 5% of a class of shares, on Schedule 13D (may seek influence) or 13G (passive): its latest filing for each, from 19 Dec 2024 on.

Company	Ticker	Stake	Change	Schedule	Last filed
PURPLE INNOVATION INC PRPL · 13D · filed 2025-05-06	PRPL	49.9%≈ $21.8m	no change	13D	2025-05-06
OWENS & MINOR INC NEW ACH · 13D · filed 2025-11-14	ACH	16.9%≈ $44.8m	+1.8 pts	13D	2025-11-14
SONOS INC SONO · 13D · filed 2026-08-03	SONO	15.3%≈ $244.5m	+0.1 pts	13D	2026-08-03
MASTERCRAFT BOAT HLDGS INC MCFT · 13D · filed 2026-05-19	MCFT	15.3%≈ $70.7m	-7.4 pts	13D	2026-05-19
GMS INC 13G · filed 2025-05-15		10.0%	+4.2 pts	13G	2025-05-15
MASTERBRAND INC MBC · 13G · filed 2026-08-17	MBC	6.5%≈ $135.8m	-3.4 pts	13G	2026-08-17

Trades reported as a company insider in Q4 2025

Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.

Date	Company	Ticker	Trade	Shares	Value	Their holding
2025-12-22	MASTERCRAFT BOAT HLDGS INC 10% owner · See Footnotes	MCFT	Bought	25,000	$491.5k25.0k shares	+1%
2025-12-19	MASTERCRAFT BOAT HLDGS INC 10% owner · See Footnotes	MCFT	Bought	76,000	$1.5m76.0k shares	+2%
2025-12-18	MASTERCRAFT BOAT HLDGS INC 10% owner · See Footnotes	MCFT	Bought	33,807	$653.8k33.8k shares	+1%
2025-12-05	UNIVERSAL TECHNICAL INST INC Director · See Footnotes	UTI	Bought	191,830	$4.9m191.8k shares	+5%
2025-12-03	UNIVERSAL TECHNICAL INST INC Director · See Footnotes	UTI	Bought	355,236	$8.8m355.2k shares	+10%
2025-12-02	UNIVERSAL TECHNICAL INST INC Director · See Footnotes	UTI	Bought	467,020	$11.4m467.0k shares	+16%
2025-12-01	UNIVERSAL TECHNICAL INST INC Director · See Footnotes	UTI	Bought	241,087	$5.7m241.1k shares	+9%