Coliseum Capital Management, LLC — Quarter-over-Quarter 13F Allocation Shifts Q1 2026
In Q1 2026, Coliseum Capital Management, LLC increased allocation to 6 existing positions, and trimmed 3 positions. The fund's 13F equity book declined from $1.22B to $1.22B (-0.1% QoQ) . All deltas are sourced from sequential SEC Form 13F-HR filings; share-count changes reflect explicit trading activity, while weight changes can also include price movement. This page lists every position change reported — the portfolio overview shows a summary of the top shifts.
Net Portfolio Value Change
- $1.22BPrior quarter
- $1.22BCurrent quarter
- $-0.00BNet delta
- -0.1%% change
Largest Allocation Increases Q1 2026
Largest portfolio-weight increases in existing positions. Share-count delta is shown separately so price-only re-weighting can be distinguished from active adds.
| Company | Ticker | Δ Weight | Δ Shares | History |
|---|---|---|---|---|
| BUILDERS FIRSTSOURCE INC | BLDR | +7.55% | +168.14% | History → |
| WILLSCOT HLDGS CORP | WSC | +0.97% | +21.67% | History → |
| SONOS INC | SONO | +-1.63% | +21.03% | History → |
| MASTERBRAND INC | MBC | +-1.10% | +17.84% | History → |
| ATKORE INC | ATKR | +0.38% | +17.02% | History → |
| HERC HLDGS INC | HRI | +-5.75% | +4.62% | History → |
Largest Allocation Reductions Q1 2026
Largest portfolio-weight decreases in existing positions (positions kept open at a lower allocation).
| Company | Ticker | Δ Weight | Δ Shares | History |
|---|---|---|---|---|
| INNOVAGE HOLDING CORP CMN | INNV | -0.53% | -62.50% | Holders → |
| NCR ATLEOS CORPORATION | NATL | -2.58% | -40.70% | History → |
| PRIMO BRANDS CORPORATION | PRMB | -0.38% | -33.23% | Holders → |
Methodology & FAQ
How Coliseum Capital Management, LLC Quarterly Changes Are Computed
Each row above is computed by joining the most recent 13F-HR filing for Coliseum Capital Management, LLC against the immediately preceding quarterly filing for the same fund. Portfolio weights are normalized to exclude listed options for comparability. A complete description of the methodology — including how confidential treatment filings are handled and why share count rather than weight is the cleaner trading signal — is documented in the Methodology.
Which positions did Coliseum Capital Management, LLC initiate in Q1 2026?
Coliseum Capital Management, LLC established no new positions in Q1 2026.
Which existing positions saw the largest allocation increases for Coliseum Capital Management, LLC in Q1 2026?
The largest portfolio-weight increases in existing positions were: BUILDERS FIRSTSOURCE INC (BLDR, +7.55% weight, +168.14% shares), WILLSCOT HLDGS CORP (WSC, +0.97% weight, +21.67% shares), SONOS INC (SONO, +-1.63% weight, +21.03% shares), MASTERBRAND INC (MBC, +-1.10% weight, +17.84% shares), ATKORE INC (ATKR, +0.38% weight, +17.02% shares), HERC HLDGS INC (HRI, +-5.75% weight, +4.62% shares).
Which positions did Coliseum Capital Management, LLC fully exit in Q1 2026?
Coliseum Capital Management, LLC fully exited no positions in Q1 2026.
Which existing positions saw the largest allocation reductions for Coliseum Capital Management, LLC in Q1 2026?
The largest portfolio-weight reductions in positions kept open were: INNOVAGE HOLDING CORP CMN (INNV, -0.53% weight, -62.50% shares), NCR ATLEOS CORPORATION (NATL, -2.58% weight, -40.70% shares), PRIMO BRANDS CORPORATION (PRMB, -0.38% weight, -33.23% shares).
Do quarter-over-quarter 13F allocation changes constitute explicit trading signals?
No. Quarter-over-quarter changes reflect a combination of active trading and market price movement. A weight increase can result from price appreciation alone, without the manager adding shares. Share-count delta is the cleaner indicator of explicit trading activity.