CIK: 0001409751
Total reported value
$1.2B
Reporting period: 2026-03-31 · Number of holdings: 13
Coliseum Capital Management, LLC disclosed 13 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $1.2B and a quarterly turnover rate of 25.3%.
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Coliseum Capital Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.117 — mathematically equivalent to about 9 equally-sized positions, close to its 13 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.75), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
Recent activity leans toward adding more aggressively to already-large existing positions than to newly initiated ones (a 11.5 percentage-point tilt) — a pattern consistent with a momentum-following approach.
Sector classification currently covers about 38% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
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Add BLDR
+168.1% $92.0M
Trim HRI
+4.6% -$70.3M
Add UTI
0.0% $39.6M
Trim NATL
-40.7% -$31.5M
Trim SONO
+21.0% -$20.0M
Trim MBC
+17.8% -$13.4M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | SONO | Sonos INC | Stock-Other | 19.85% | -1.63% | +21.03% | |
| 2 | BLDR | Builders Firstsource INC | Stock-Industrials | 14.13% | +7.55% | +168.14% | |
| 3 | HRI | Herc Holdings INC | Stock-Other | 13.56% | -5.75% | +4.62% | |
| 4 | UTI | Universal Technical Institut | Stock-Other | 11.75% | +3.25% | — | |
| 5 | WSC | Willscot Holdings CORP | Stock-Industrials | 8.85% | +0.96% | +21.67% | |
| 6 | MBC | Masterbrand INC | Stock-Consumer Disc | 8.65% | -1.09% | +17.84% | |
| 7 | MCFT | Mastercraft Boat Holdings In | Stock-Other | 6.22% | +0.49% | — | |
| 8 | NATL | Ncr Atleos CORP | Stock-Tech | 5.45% | -2.58% | -40.70% | |
| 9 | ATKR | Atkore INC | Stock-Other | 4.57% | +0.38% | +17.02% | |
| 10 | PRPL | Purple Innovation INC | Stock-Other | 2.54% | -0.11% | — | |
| 11 | ACH | Accendra Health INC | Stock-Other | 2.45% | -0.56% | — | |
| 12 | PRMB | Primo Brands CORP | Stock-Consumer Staples | 1.25% | -0.38% | -33.23% | |
| 13 | INNV | Innovage Holding CORP | Stock-Other | 0.73% | -0.53% | -62.50% |
Performance for Q3 2026
-0.5%
Performance Last 4 Quarters
-4.7%
Based on 3 months of available history
Based on 50% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q1 | 13 | $1.2B | 25 | ||
| 2025 Q4 | 13 | $1.2B | 29 | ||
| 2025 Q3 | 11 | $1.0B | 72 | ||
| 2025 Q2 | 17 | $1.4B | 0 | ||
| 2025 Q1 | 17 | $1.2B | 100 | ||
| 2024 Q4 | 14 | $1.2B | 0 | ||
| 2024 Q3 | 14 | $1.0B | 0 | ||
| 2024 Q2 | 14 | $1.1B | 0 | ||
| 2024 Q1 | 11 | $1.1B | 0 | ||
| 2023 Q4 | 11 | $1.2B | 0 | ||
| 2023 Q3 | 11 | $959.3M | 0 | ||
| 2023 Q2 | 12 | $1.1B | 0 | ||
| 2023 Q1 | 12 | $1.3B | 0 | ||
| 2022 Q4 | 13 | $1.3B | 0 | ||
| 2022 Q3 | 13 | $1.2B | 0 | ||
| 2022 Q2 | 14 | $1.1B | 0 | ||
| 2022 Q1 | 13 | $1.3B | 0 | ||
| 2021 Q4 | 11 | $1.3B | 0 | ||
| 2021 Q3 | 8 | $1.1B | 0 | ||
| 2021 Q2 | 8 | $1.1B | 31 | ||
| 2021 Q1 | 7 | $1.3B | 100 | ||
| 2020 Q4 | 10 | $1.2B | 49 | ||
| 2020 Q3 | 12 | $935.2M | 37 | ||
| 2020 Q2 | 13 | $685.6M | 91 | ||
| 2020 Q1 | 18 | $369.2M | 57 | ||
| 2019 Q4 | 11 | $375.7M | 51 | ||
| 2019 Q3 | 15 | $362.4M | 46 | ||
| 2019 Q2 | 13 | $309.4M | 25 | ||
| 2019 Q1 | 13 | $276.9M | 18 | ||
| 2018 Q4 | 13 | $268.0M | 35 | ||
| 2018 Q3 | 9 | $246.1M | 24 | ||
| 2018 Q2 | 9 | $259.5M | 37 | ||
| 2018 Q1 | 10 | $248.6M | 46 | ||
| 2017 Q4 | 8 | $157.2M | 38 | ||
| 2017 Q3 | 5 | $134.6M | 31 | ||
| 2017 Q2 | 8 | $163.8M | 49 | ||
| 2017 Q1 | 10 | $222.4M | 29 | ||
| 2016 Q4 | 7 | $221.6M | 37 | ||
| 2016 Q3 | 10 | $285.1M | 29 | ||
| 2016 Q2 | 9 | $239.7M | 20 | ||
| 2016 Q1 | 11 | $257.8M | 19 | ||
| 2015 Q4 | 11 | $246.3M | 26 | ||
| 2015 Q3 | 8 | $248.0M | 20 | ||
| 2015 Q2 | 8 | $295.0M | 26 | ||
| 2015 Q1 | 8 | $331.9M | 44 | ||
| 2014 Q4 | 9 | $310.8M | 32 | ||
| 2014 Q3 | 8 | $280.1M | 27 | ||
| 2014 Q2 | 10 | $297.8M | 19 | ||
| 2014 Q1 | 12 | $258.8M | 33 | ||
| 2013 Q4 | 11 | $235.5M | 32 | ||
| 2013 Q3 | 10 | $207.2M | 28 | ||
| 2013 Q2 | 9 | $187.0M | 0 |
Coliseum Capital Management, LLC's most significant position changes for 2026-03-31: Add: Builders Firstsource INC (BLDR) — shares +168.14%; Add: Herc Holdings INC (HRI) — shares +4.62%; Trim: Ncr Atleos CORP (NATL) — shares -40.70%; Add: Sonos INC (SONO) — shares +21.03%; Add: Masterbrand INC (MBC) — shares +17.84%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | BLDR | Builders Firstsource INC | +7.6% | +168.14% | Add |
| 2 | UTI | Universal Technical Institut | +3.3% | — | Unchanged |
| 3 | WSC | Willscot Holdings CORP | +1% | +21.67% | Add |
| 4 | MCFT | Mastercraft Boat Holdings In | +0.5% | — | Unchanged |
| 5 | ATKR | Atkore INC | +0.4% | +17.02% | Add |
| 6 | PRPL | Purple Innovation INC | -0.1% | — | Unchanged |
| 7 | PRMB | Primo Brands CORP | -0.4% | -33.23% | Trim |
| 8 | INNV | Innovage Holding CORP | -0.5% | -62.50% | Trim |
| 9 | ACH | Accendra Health INC | -0.6% | — | Unchanged |
| 10 | MBC | Masterbrand INC | -1.1% | +17.84% | Add |
| 11 | SONO | Sonos INC | -1.6% | +21.03% | Add |
| 12 | NATL | Ncr Atleos CORP | -2.6% | -40.70% | Trim |
| 13 | HRI | Herc Holdings INC | -5.8% | +4.62% | Add |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026 Q1 | 2026-05-15 | 13F-HR | View on EDGAR |
| 2025 Q4 | 2026-02-17 | 13F-HR | View on EDGAR |
| 2025 Q3 | 2025-11-14 | 13F-HR | View on EDGAR |
| 2025 Q2 | 2025-08-14 | 13F-HR | View on EDGAR |
| 2025 Q1 | 2025-05-15 | 13F-HR | View on EDGAR |
| 2024 Q4 | 2025-02-14 | 13F-HR | View on EDGAR |
| 2024 Q3 | 2024-11-14 | 13F-HR | View on EDGAR |
| 2024 Q2 | 2024-08-14 | 13F-HR | View on EDGAR |
| 2024 Q1 | 2024-05-15 | 13F-HR | View on EDGAR |
| 2023 Q4 | 2024-02-14 | 13F-HR | View on EDGAR |
| 2023 Q3 | 2023-11-14 | 13F-HR | View on EDGAR |
| 2023 Q2 | 2023-08-14 | 13F-HR | View on EDGAR |
| 2023 Q1 | 2023-05-15 | 13F-HR | View on EDGAR |
| 2022 Q4 | 2023-02-14 | 13F-HR | View on EDGAR |
| 2022 Q3 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022 Q2 | 2022-08-15 | 13F-HR | View on EDGAR |
| 2022 Q1 | 2022-05-16 | 13F-HR | View on EDGAR |
| 2021 Q4 | 2022-02-14 | 13F-HR | View on EDGAR |
| 2021 Q3 | 2021-11-16 | 13F-HR | View on EDGAR |
| 2021 Q2 | 2021-08-16 | 13F-HR | View on EDGAR |
| 2021 Q1 | 2021-05-17 | 13F-HR | View on EDGAR |
| 2020 Q4 | 2021-02-16 | 13F-HR | View on EDGAR |
| 2020 Q3 | 2020-11-16 | 13F-HR | View on EDGAR |
| 2020 Q2 | 2020-08-14 | 13F-HR | View on EDGAR |
| 2020 Q1 | 2020-05-15 | 13F-HR | View on EDGAR |
| 2019 Q4 | 2020-02-14 | 13F-HR | View on EDGAR |
| 2019 Q3 | 2020-02-14 | Amendment | View on EDGAR |
| 2019 Q3 | 2019-11-13 | 13F-HR | View on EDGAR |
| 2019 Q2 | 2019-08-14 | 13F-HR | View on EDGAR |
| 2019 Q1 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018 Q4 | 2019-02-14 | 13F-HR | View on EDGAR |
| 2018 Q3 | 2018-11-14 | 13F-HR | View on EDGAR |
| 2018 Q2 | 2018-08-14 | 13F-HR | View on EDGAR |
| 2018 Q1 | 2018-05-15 | 13F-HR | View on EDGAR |
| 2017 Q4 | 2018-02-14 | 13F-HR | View on EDGAR |
| 2017 Q3 | 2017-11-14 | 13F-HR | View on EDGAR |
| 2017 Q2 | 2017-08-14 | 13F-HR | View on EDGAR |
| 2017 Q1 | 2017-05-15 | 13F-HR | View on EDGAR |
| 2016 Q4 | 2017-02-14 | 13F-HR | View on EDGAR |
| 2016 Q3 | 2016-11-14 | 13F-HR | View on EDGAR |
| 2016 Q2 | 2016-08-15 | 13F-HR | View on EDGAR |
| 2016 Q1 | 2016-05-16 | 13F-HR | View on EDGAR |
| 2015 Q4 | 2016-02-16 | 13F-HR | View on EDGAR |
| 2015 Q3 | 2015-11-16 | 13F-HR | View on EDGAR |
| 2015 Q2 | 2015-08-14 | 13F-HR | View on EDGAR |
| 2015 Q1 | 2015-05-15 | 13F-HR | View on EDGAR |
| 2014 Q4 | 2015-02-18 | 13F-HR | View on EDGAR |
| 2014 Q3 | 2014-11-14 | 13F-HR | View on EDGAR |
| 2014 Q2 | 2014-08-14 | 13F-HR | View on EDGAR |
| 2014 Q1 | 2014-05-15 | 13F-HR | View on EDGAR |
| 2013 Q4 | 2014-02-14 | 13F-HR | View on EDGAR |
| 2013 Q3 | 2013-11-14 | 13F-HR | View on EDGAR |
| 2013 Q2 | 2013-08-14 | 13F-HR | View on EDGAR |
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