Coliseum Capital Management, LLC

Rowayton, CT · CIK 1409751 · 13F filing filed 2026-08-14

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 -4.7% vs Q1 2026

11positions

98.6%in top 10

1 new 2 added 4 reduced 3 sold out vs Q1 2026

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, Q2 2026

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	18,070,762	$244.5m21.04%	21.04%	Unchanged
2	BUILDERS FIRSTSOURCE INC COM BLDR	BLDR	2,598,218	$232.5m20.00%	20.00%	Added +505.0k	+505,000 24.1%
3	HERC HLDGS INC COM HRI	HRI	1,117,122	$160.1m13.78%	13.78%	Reduced -544.9k	-544,940 -32.8%
4	MASTERBRAND INC COMMON STOCK MBC	MBC	13,200,117	$135.8m11.69%	11.69%	Added +505.4k	+505,407 4.0%
5	WILLSCOT HLDGS CORP COM CL A WSC	WSC	4,351,193	$125.6m10.80%	10.80%	Reduced -1.9m	-1,868,284 -30.0%
6	MASTERCRAFT BOAT HLDGS INC COM MCFT	MCFT	3,697,422	$95.5m8.21%	8.21%	Unchanged
7	NCR ATLEOS CORPORATION COM SHS NATL	NATL	1,071,128	$46.5m4.00%	4.00%	Reduced -453.6k	-453,597 -29.8%
8	OWENS & MINOR INC NEW COM ACH	ACH	13,100,807	$44.8m3.85%	3.85%	Unchanged
9	UNIVERSAL TECHNICAL INST INC COM UTI	UTI	971,440	$41.5m3.57%	3.57%	Reduced -3.0m	-3,000,000 -75.5%
10	FOX FACTORY HLDG CORP COM FOXF	FOXF	1,102,942	$18.7m1.61%	1.61%	New
11	PURPLE INNOVATION INC COM PRPL	PRPL	46,855,291	$16.7m1.44%	1.44%	Unchanged

Sold out since Q1 2026

Security	Ticker	Shares held before	Value then
ATKORE INC ATKR	ATKR	947,070	$55.8m947.1k shares
PRIMO BRANDS CORPORATION PRMB	PRMB	812,136	$15.3m812.1k shares
INNOVAGE HLDG CORP INNV	INNV	1,114,809	$8.9m1.1m 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 since 1 Apr 2026

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
2026-06-08	UNIVERSAL TECHNICAL INST INC Director · See Footnotes	UTI	Sold	3,000,000	$124.2m3.0m shares	-76%