Coliseum Capital Management, LLC
Rowayton, CT · CIK 1409751 · 13F filing filed 2026-05-15
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)
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, Q1 2026
The small lines show how much was held over the last 4 quarters (adjusted for stock splits).
| Security | Value | Change |
|---|---|---|
| SONOS INC SONO | $242.1m19.85% | Added +3.1m |
| BUILDERS FIRSTSOURCE INC BLDR | $172.3m14.13% | Added +1.3m |
| HERC HLDGS INC HRI | $165.5m13.56% | Added +73.4k |
| UNIVERSAL TECHNICAL INST INC UTI | $143.4m11.75% | Unchanged |
| WILLSCOT HLDGS CORP WSC | $108.0m8.85% | Added +1.1m |
| MASTERBRAND INC MBC | $105.5m8.65% | Added +1.9m |
| MASTERCRAFT BOAT HLDGS INC MCFT | $75.8m6.22% | Unchanged |
| NCR ATLEOS CORPORATION NATL | $66.4m5.45% | Reduced -1.0m |
| ATKORE INC ATKR | $55.8m4.57% | Added +137.8k |
| PURPLE INNOVATION INC PRPL | $31.0m2.54% | Unchanged |
| OWENS & MINOR INC NEW ACH | $29.9m2.45% | Unchanged |
| PRIMO BRANDS CORPORATION PRMB | $15.3m1.25% | Reduced -404.2k |
| INNOVAGE HLDG CORP INNV | $8.9m0.73% | Reduced -1.9m |
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 | Stake |
|---|---|
| PURPLE INNOVATION INC PRPL · 13D · filed 2025-05-06 | 49.9%≈ $21.8m |
| OWENS & MINOR INC NEW ACH · 13D · filed 2025-11-14 | 16.9%≈ $44.8m |
| SONOS INC SONO · 13D · filed 2026-08-03 | 15.3%≈ $244.5m |
| MASTERCRAFT BOAT HLDGS INC MCFT · 13D · filed 2026-05-19 | 15.3%≈ $70.7m |
| GMS INC 13G · filed 2025-05-15 | 10.0% |
| MASTERBRAND INC MBC · 13G · filed 2026-08-17 | 6.5%≈ $135.8m |
Trades reported as a company insider in Q1 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 | Trade | Value |
|---|---|---|---|
| 2026-03-17 | SONOS INC 10% owner · See Footnotes | Bought | $1.7m125.0k shares |
| 2026-03-16 | SONOS INC 10% owner · See Footnotes | Bought | $184.4k13.9k shares |
| 2026-03-13 | SONOS INC 10% owner · See Footnotes | Bought | $1.2m90.0k shares |
| 2026-03-11 | SONOS INC 10% owner · See Footnotes | Bought | $2.6m180.0k shares |
| 2026-03-10 | SONOS INC 10% owner · See Footnotes | Bought | $4.5m320.0k shares |
| 2026-03-09 | SONOS INC 10% owner · See Footnotes | Bought | $5.9m420.0k shares |
| 2026-02-25 | SONOS INC 10% owner · See Footnotes | Bought | $1.8m118.0k shares |
| 2026-02-24 | SONOS INC 10% owner · See Footnotes | Bought | $2.0m133.3k shares |
| 2026-02-23 | SONOS INC 10% owner · See Footnotes | Bought | $5.4m360.0k shares |
| 2026-02-17 | SONOS INC 10% owner · See Footnote | Bought | $4.5m290.0k shares |
| 2026-02-13 | SONOS INC 10% owner · See Footnote | Bought | $4.0m257.2k shares |
| 2026-02-12 | SONOS INC 10% owner · See Footnotes | Bought | $1.6m100.0k shares |
| 2026-02-06 | SONOS INC 10% owner · See Footnotes | Bought | $442.3k26.8k shares |
| 2026-02-05 | SONOS INC 10% owner · See Footnotes | Bought | $3.4m211.5k shares |
| 2026-02-04 | SONOS INC 10% owner · See Footnotes | Bought | $7.7m494.7k shares |