MBC
MasterBrand, Inc. · Consumer Cyclical · Furnishings, Fixtures & Appliances
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -5.5% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 19.77K | $136,992 | n/a | n/a |
| Q2 2026 | 89 | -1 | 109.44M | $1.13B | +7 | −8 |
| Q1 2026 | 93 | -4 | 78.02M | $648.73M | +4 | −8 |
| Q4 2025 | 97 | +1 | 82.51M | $911.41M | +1 | n/a |
| Q3 2025 | 17 | 0 | 47.73M | $628.59M | n/a | n/a |
| Q2 2025 | 14 | 0 | 45.24M | $494.49M | n/a | n/a |
| Q1 2025 | 11 | -3 | 10.66M | $139.17M | n/a | −3 |
| Q4 2024 | 14 | -2 | 12.05M | $176.11M | n/a | −2 |
| Q3 2024 | 15 | +1 | 8.14M | $150.90M | +1 | n/a |
| Q2 2024 | 14 | n/a | 11.07M | $162.48M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 18.88M | +0.2% | $248.59M | 0.0% | ▲ Add | 2 | SEC ↗ ×13 |
| 2 | The Vanguard Group ✦ (passive) | 9.08M | -1.1% | $119.61M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 4.93M | +0.1% | $64.96M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 3.70M | -36.5% | $48.77M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 5 | Geode Capital Management ✦ (passive) | 3.01M | +0.4% | $39.66M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 6 | Goldman Sachs Group ✦ | 2.47M | n/a | $32.56M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 7 | Renaissance Technologies ✦ | 2.11M | +3.0% | $27.83M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 8 | JPMorgan Chase ✦ | 1.39M | n/a | $18.31M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 9 | Morgan Stanley ✦ | 1.38M | n/a | $18.19M | 0.0% | n/c | 1 | SEC ↗ ×12 |
| 10 | AQR Capital Management ✦ | 188.45K | +7.2% | $2.48M | 0.0% | ▲ Add | 6 | SEC ↗ ×5 |
| 11 | T. Rowe Price ✦ | 117.69K | +4.3% | $1.55M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 12 | Harris Associates (Oakmark) ✦ | 110.24K | -1.9% | $1.45M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 13 | Citadel Advisors ✦ | 94.59K | -49.1% | $1.25M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | GAMCO Investors ✦ | 81.35K | -8.3% | $1.07M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 15 | Millennium Management ✦ | 78.80K | -84.9% | $1.04M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 73.61K | -60.0% | $969,510 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 17 | Gotham Asset Management ✦ | 22.33K | +13.3% | $294,126 | 0.0% | ▲ Add | 6 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 333 holders, 154.24M shares, $1.25B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 3.06K sh · $27,972
Officer · 2.94K sh · $26,928
Officer · 50.00K sh · $461,065
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology