MBC
MasterBrand, Inc. · Consumer Cyclical · Furnishings, Fixtures & Appliances
Momentum inputs (comparable managers):
holder breadth +7.1% ·
share flow -26.4% ·
net new positions +6.7%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 89 | -1 | 109.43M | $1.13B | +7 | −8 |
| Q1 2026 | 93 | -4 | 78.02M | $648.73M | +4 | −8 |
| Q4 2025 | 97 | +1 | 82.51M | $911.41M | +1 | — |
| Q3 2025 | 17 | 0 | 47.73M | $628.59M | — | — |
| Q2 2025 | 14 | 0 | 45.24M | $494.49M | — | — |
| Q1 2025 | 11 | -3 | 10.66M | $139.17M | — | −3 |
| Q4 2024 | 14 | -2 | 12.05M | $176.11M | — | −2 |
| Q3 2024 | 15 | +1 | 8.14M | $150.90M | +1 | — |
| Q2 2024 | 14 | — | 11.07M | $162.48M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 3.40M | +4.2% | $63.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 3.40M | +4.2% | $63.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Renaissance Technologies ✦ | 1.52M | +5.1% | $28.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | Arrowstreet Capital ✦ | 1.17M | -12.5% | $21.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 805.04K | -28.9% | $14.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | D. E. Shaw & Co. ✦ | 805.04K | -28.9% | $14.93M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Norges Bank ✦ (passive) | 307.10K | -34.1% | $5.69M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | AQR Capital Management ✦ | 253.59K | -41.6% | $4.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 253.59K | -41.6% | $4.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | AQR Capital Management ✦ | 253.59K | -41.6% | $4.66M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | Millennium Management ✦ | 144.11K | +10.9% | $2.67M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 108.55K | -70.0% | $2.01M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | GAMCO Investors ✦ | 88.95K | +25.4% | $1.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | T. Rowe Price ✦ | 88.65K | +5.9% | $1.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | T. Rowe Price ✦ | 88.65K | +5.9% | $1.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | Citadel Advisors ✦ | 67.00K | New | $1.24M | 0.0% | New | 1 | SEC ↗ |
| 17 | Wellington Management ✦ | 55.11K | -97.5% | $1.02M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Harris Associates (Oakmark) ✦ | 52.60K | 0.0% | $975,167 | 0.0% | Held | 2 | SEC ↗ |
| 19 | Gotham Asset Management ✦ | 49.85K | -1.5% | $924,238 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | Marshall Wace ✦ | 37.06K | +216.8% | $687,113 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Citadel Advisors | $1.24M | 0.0% |
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 · 50.00K sh · $461,065
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology