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Coliseum Capital Management, LLC

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13F filer, CIK 1409751, Rowayton, CT

Coliseum Capital Management, LLC reported $1,219,930,648 across 13 holdings for the quarter ended 2026-03-31, in a 13F-HR filed 2026-05-15. Its ten largest share positions make up 95.57% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-226771

Period
2026-03-31
Reported value
$1.22B
Holdings
13
Top 10 weight
95.57%
New
0
Sold out
0

Largest buys vs the previous quarter

SecurityShares changeApprox. value
BLDRadded+1,312,570$108M
SONOadded+3,140,482$42.1M
WSCadded+1,107,875$19.2M
MBCadded+1,922,096$16M
ATKRadded+137,765$8.12M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
NATLreduced-1,046,423-$45.6M
INNVreduced-1,858,112-$14.9M
PRMBreduced-404,225-$7.61M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q1 2026

Share positions as resolved from 13F-HR 0001193125-26-226771, largest first. % of portfolio is the value over $1,219,930,648, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
SONOSONOS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 7,143,231 shares; 2024Q4: 10,734,013 shares; 2025Q1: 11,775,582 shares; 2025Q2: 13,193,104 shares; 2025Q3: 14,930,280 shares; 2025Q4: 14,930,280 shares; 2026Q1: 18,070,762 shares 18,070,762$242M19.85%+3,140,482Timeline
BLDRBUILDERS FIRSTSOURCE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 317,177 shares; 2025Q1: 555,041 shares; 2025Q2: 638,210 shares; 2025Q3: not reported; 2025Q4: 780,648 shares; 2026Q1: 2,093,218 shares 2,093,218$172M14.13%+1,312,570Timeline
HRIHERC HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 392,128 shares; 2024Q4: 418,010 shares; 2025Q1: 1,309,989 shares; 2025Q2: 1,773,603 shares; 2025Q3: 1,905,171 shares; 2025Q4: 1,588,648 shares; 2026Q1: 1,662,062 shares 1,662,062$165M13.56%+73,414Timeline
UTIUNIVERSAL TECHNICAL INST INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 9,334,215 shares; 2024Q4: 6,850,636 shares; 2025Q1: 5,145,755 shares; 2025Q2: 2,716,267 shares; 2025Q3: 2,716,267 shares; 2025Q4: 3,971,440 shares; 2026Q1: 3,971,440 shares 3,971,440$143M11.75%0Timeline
WSCWILLSCOT HLDGS CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 1,377,868 shares; 2024Q4: 2,024,100 shares; 2025Q1: 1,627,552 shares; 2025Q2: 1,021,434 shares; 2025Q3: 2,994,355 shares; 2025Q4: 5,111,602 shares; 2026Q1: 6,219,477 shares 6,219,477$108M8.85%+1,107,875Timeline
MBCMASTERBRAND INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 3,178,919 shares; 2025Q2: 4,304,081 shares; 2025Q3: 7,563,291 shares; 2025Q4: 10,772,614 shares; 2026Q1: 12,694,710 shares 12,694,710$105M8.65%+1,922,096Timeline
MCFTMASTERCRAFT BOAT HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 3,372,670 shares; 2024Q4: 3,562,615 shares; 2025Q1: 3,562,615 shares; 2025Q2: 3,562,615 shares; 2025Q3: 3,562,615 shares; 2025Q4: 3,697,422 shares; 2026Q1: 3,697,422 shares 3,697,422$75.8M6.22%0Timeline
NATLNCR ATLEOS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 926,302 shares; 2025Q2: 1,621,023 shares; 2025Q3: 2,703,750 shares; 2025Q4: 2,571,148 shares; 2026Q1: 1,524,725 shares 1,524,725$66.4M5.45%-1,046,423Timeline
ATKRATKORE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 809,305 shares; 2026Q1: 947,070 shares 947,070$55.8M4.57%+137,765Timeline
PRPLPURPLE INNOVATION INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 46,855,291 shares; 2024Q4: 46,855,291 shares; 2025Q1: 46,855,291 shares; 2025Q2: 46,855,291 shares; 2025Q3: 46,855,291 shares; 2025Q4: 46,855,291 shares; 2026Q1: 46,855,291 shares 46,855,291$31M2.54%0Timeline
ACHACCENDRA HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 3,644,481 shares; 2024Q4: 4,785,964 shares; 2025Q1: 10,624,599 shares; 2025Q2: 11,562,955 shares; 2025Q3: 13,100,807 shares; 2025Q4: 13,100,807 shares; 2026Q1: 13,100,807 shares 13,100,807$29.9M2.45%0Timeline
PRMBPRIMO BRANDS CORPORATIONQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: 1,216,361 shares; 2026Q1: 812,136 shares 812,136$15.3M1.25%-404,225Timeline
INNVINNOVAGE HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q2: restricted; 2024Q3: 3,941,327 shares; 2024Q4: 3,914,964 shares; 2025Q1: 3,914,964 shares; 2025Q2: 3,905,490 shares; 2025Q3: 3,876,219 shares; 2025Q4: 2,972,921 shares; 2026Q1: 1,114,809 shares 1,114,809$8.94M0.73%-1,858,112Timeline

How Q1 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001193125-26-226771 base2026-05-15acceptance time not in the bulk data set