Coliseum Capital Management, LLC 13F: Quarter-over-Quarter Portfolio Changes
Coliseum Capital Management, LLC reported a disclosed portfolio value of approximately $1.2 billion in its latest SEC Form 13F-HR filing for Q1 2026, down 0.1% quarter on quarter. Over the quarter, the fund bought more shares in 6 holdings and trimmed 3 holdings.
Coliseum Capital Management, LLC's top buy was Builders Firstsource INC (BLDR) . The fund bought 168.1% more shares, lifting the position's portfolio weight by 7.5 percentage points. Its top sell was Innovage Holding CORP Cmn (INNV) . The fund sold 62.5% of its previously reported shares, reducing the position's portfolio weight by 0.5 percentage points.
Top BuysQ1 2026
The fund's top buys among existing positions in Q1 2026. Ranked by portfolio-weight impact, with the percentage of additional shares shown separately.
| Company | Ticker | Portfolio Weight Change | More Shares | History |
|---|---|---|---|---|
| BUILDERS FIRSTSOURCE INC | BLDR | +7.5% | +168.1% | History → |
| WILLSCOT HLDGS CORP | WSC | +1.0% | +21.7% | History → |
| SONOS INC | SONO | +-1.6% | +21.0% | History → |
| MASTERBRAND INC | MBC | +-1.1% | +17.8% | History → |
| ATKORE INC | ATKR | +0.4% | +17.0% | History → |
| HERC HLDGS INC | HRI | +-5.7% | +4.6% | History → |
Top SellsQ1 2026
The fund's top sells among positions it retained in Q1 2026. Ranked by portfolio-weight impact. Full exits are listed separately.
| Company | Ticker | Portfolio Weight Change | Shares Sold | History |
|---|---|---|---|---|
| INNOVAGE HOLDING CORP CMN | INNV | -0.5% | 62.5% | Holders → |
| NCR ATLEOS CORPORATION | NATL | -2.6% | 40.7% | History → |
| PRIMO BRANDS CORPORATION | PRMB | -0.4% | 33.2% | Holders → |
Net Portfolio Value ChangeQ1 2026
- $1.2BPrior quarter
- $1.2BCurrent quarter
- $-0.0BNet delta
- -0.1%% change
Methodology & FAQ
How Coliseum Capital Management, LLC Quarterly Changes Are Computed
All deltas are sourced from sequential SEC Form 13F-HR filings for Coliseum Capital Management, LLC: each row joins the most recent filing against the immediately preceding quarterly filing for the same fund. Share-count changes reflect reported trading activity, while portfolio weights can also move because of market price changes. Portfolio weights are normalized to exclude listed options for comparability. A complete description — including how confidential treatment filings are handled — is documented in the Methodology.
What stocks did Coliseum Capital Management, LLC buy in Q1 2026?
In Q1 2026, Coliseum Capital Management, LLC bought more shares of BUILDERS FIRSTSOURCE INC (BLDR), WILLSCOT HLDGS CORP (WSC), SONOS INC (SONO), MASTERBRAND INC (MBC), ATKORE INC (ATKR) — the largest 5 of 6 adds.
What stocks did Coliseum Capital Management, LLC sell in Q1 2026?
In Q1 2026, Coliseum Capital Management, LLC reduced holdings in INNOVAGE HOLDING CORP CMN (INNV), NCR ATLEOS CORPORATION (NATL), PRIMO BRANDS CORPORATION (PRMB).
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?
Of 6 existing positions with share-count increases in Q1 2026, the largest were: BUILDERS FIRSTSOURCE INC (BLDR, +7.5% weight, +168.1% shares), WILLSCOT HLDGS CORP (WSC, +1.0% weight, +21.7% shares), SONOS INC (SONO, +-1.6% weight, +21.0% shares), MASTERBRAND INC (MBC, +-1.1% weight, +17.8% shares), ATKORE INC (ATKR, +0.4% weight, +17.0% shares), HERC HLDGS INC (HRI, +-5.7% weight, +4.6% 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?
Of 3 existing positions with share-count reductions in Q1 2026, the largest were: INNOVAGE HOLDING CORP CMN (INNV, -0.5% weight, -62.5% shares), NCR ATLEOS CORPORATION (NATL, -2.6% weight, -40.7% shares), PRIMO BRANDS CORPORATION (PRMB, -0.4% weight, -33.2% 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. All deltas on this page are sourced from sequential SEC Form 13F-HR filings.