Institutional Manager · CIK 0001409751
Coliseum Capital Management, LLC
Rowayton, CT · File #028-14321
Latest AUM
$1.22B
Positions
13
Top-10 Concentration
94.5%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | BUILDERS FIRSTSOURCE, INC. CMN | BLDR | +780,648 | +$80.3M | $0 |
| NEW | ATKORE INC CMN | ATKR | +809,305 | +$51.2M | $0 |
| REDUCE | HERC HOLDINGS INC. CMN | HRI | -316,523 | -$47.0M | +$60.4M |
| ADD | WILLSCOT MOBILE MINI HOLDINGS CORP. CMN | WSC | +2,117,247 | +$39.9M | -$6.8M |
| ADD | MASTERBRAND INC CMN | MBC | +3,209,323 | +$35.4M | -$16.1M |
| ADD | UNIVERSAL TECHNICAL INSTITUTE INC CMN | UTI | +1,255,173 | +$32.8M | -$17.4M |
| NEW | PRIMO BRANDS CORP CMN CLASS A | PRMB | +1,216,361 | +$19.9M | $0 |
| EXITED | LAZYDAYS HLDGS INC | 52110H100 | -2,549,768 | -$5.3M | $0 |
| REDUCE | NCR ATLEOS CORP CMN | NATL | -132,602 | -$5.1M | -$3.2M |
| REDUCE | INNOVAGE HOLDING CORP CMN | INNV | -903,298 | -$4.7M | +$116,287 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202513 pos · $1.22B
- 13F HOLDINGS REPORTQ/E Sep 202511 pos · $1.02B
- 13F HOLDINGS REPORTQ/E Jun 202517 pos · $1.39B
- 13F HOLDINGS REPORTQ/E Mar 202517 pos · $1.20B
- 13F HOLDINGS REPORTQ/E Dec 202414 pos · $1.21B
- 13F HOLDINGS REPORTQ/E Sep 202414 pos · $1.03B
- 13F HOLDINGS REPORTQ/E Jun 202414 pos · $1.12B
- 13F HOLDINGS REPORTQ/E Mar 202411 pos · $1.08B
- 13F HOLDINGS REPORTQ/E Dec 202311 pos · $959.3M
Top 13 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SONOS INC CMN | SONO | 14,930,280 | $262.2M | 21.48% |
| 2 | HERC HOLDINGS INC. CMN | HRI | 1,588,648 | $235.7M | 19.31% |
| 3 | MASTERBRAND INC CMN | MBC | 10,772,614 | $118.9M | 9.74% |
| 4 | UNIVERSAL TECHNICAL INSTITUTE INC CMN | UTI | 3,971,440 | $103.8M | 8.50% |
| 5 | NCR ATLEOS CORP CMN | NATL | 2,571,148 | $98.0M | 8.03% |
| 6 | WILLSCOT MOBILE MINI HOLDINGS CORP. CMN | WSC | 5,111,602 | $96.3M | 7.89% |
| 7 | BUILDERS FIRSTSOURCE, INC. CMN | BLDR | 780,648 | $80.3M | 6.58% |
| 8 | MASTERCRAFT BOAT HOLDINGS INC CMN | MCFT | 3,697,422 | $69.9M | 5.73% |
| 9 | ATKORE INC CMN | ATKR | 809,305 | $51.2M | 4.19% |
| 10 | OWENS & MINOR INC (NEW) CMN | 690732102 | 13,100,807 | $36.7M | 3.01% |
| 11 | PURPLE INNOVATION INC CMN | PRPL | 46,855,291 | $32.4M | 2.65% |
| 12 | PRIMO BRANDS CORP CMN CLASS A | PRMB | 1,216,361 | $19.9M | 1.63% |
| 13 | INNOVAGE HOLDING CORP CMN | INNV | 2,972,921 | $15.4M | 1.26% |