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Security record · archived quarter

MBC

MasterBrand, Inc. · Consumer Cyclical · Furnishings, Fixtures & Appliances

9.05 -2.9% mkt cap $1.16B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
14Tracked holders
0Δ holders
45.24MShares held
$494.49MReported value
+0New positions
−0Exits
Stable Conviction score 44/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.6% · net new positions 0.0%formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
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
Holder count
Who holds it · Q2 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
2 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
3 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
4 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
5 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
6 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
7 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
8 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
9 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
10 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
11 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
12 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
13 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
14 BlackRock (passive) 18.85M $205.99M 0.0% n/c 1 SEC ↗
15 The Vanguard Group (passive) 9.18M $100.38M 0.0% n/c 1 SEC ↗
16 The Vanguard Group (passive) 9.18M $100.38M 0.0% n/c 1 SEC ↗
17 The Vanguard Group (passive) 9.18M $100.38M 0.0% n/c 1 SEC ↗
18 The Vanguard Group (passive) 9.18M $100.38M 0.0% n/c 1 SEC ↗
19 The Vanguard Group (passive) 9.18M $100.38M 0.0% n/c 1 SEC ↗
20 Fidelity (FMR) 5.83M $63.72M 0.0% n/c 1 SEC ↗
21 Fidelity (FMR) 5.83M $63.72M 0.0% n/c 1 SEC ↗
22 Fidelity (FMR) 5.83M $63.72M 0.0% n/c 1 SEC ↗
23 State Street Global Advisors (passive) 4.93M -0.1% $53.87M 0.0% ▼ Trim 3 SEC ↗
24 Geode Capital Management (passive) 3.00M +0.2% $32.78M 0.0% ▲ Add 5 SEC ↗
25 Geode Capital Management (passive) 3.00M +0.2% $32.78M 0.0% ▲ Add 5 SEC ↗
26 Renaissance Technologies 2.05M +32.3% $22.44M 0.0% ▲ Add 5 SEC ↗
27 Millennium Management 522.39K +2273.3% $5.71M 0.0% ▲ Add 5 SEC ↗
28 Citadel Advisors 185.71K -42.0% $2.03M 0.0% ▼ Trim 4 SEC ↗
29 Citadel Advisors 185.71K -42.0% $2.03M 0.0% ▼ Trim 4 SEC ↗
30 D. E. Shaw & Co. 184.21K -55.6% $2.01M 0.0% ▼ Trim 5 SEC ↗
31 AQR Capital Management 175.81K +15.7% $1.90M 0.0% ▲ Add 5 SEC ↗
32 AQR Capital Management 175.81K +15.7% $1.90M 0.0% ▲ Add 5 SEC ↗
33 AQR Capital Management 175.81K +15.7% $1.90M 0.0% ▲ Add 5 SEC ↗
34 AQR Capital Management 175.81K +15.7% $1.90M 0.0% ▲ Add 5 SEC ↗
35 T. Rowe Price 112.88K +10.3% $1.24M 0.0% ▲ Add 5 SEC ↗
36 T. Rowe Price 112.88K +10.3% $1.24M 0.0% ▲ Add 5 SEC ↗
37 Harris Associates (Oakmark) 112.40K +123.2% $1.23M 0.0% ▲ Add 5 SEC ↗
38 GAMCO Investors 88.75K +1.4% $970,081 0.0% ▲ Add 5 SEC ↗
39 Gotham Asset Management 19.71K -38.6% $215,430 0.0% ▼ Trim 5 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.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 11 Wanninger Kurt

Officer · 50.00K sh · $461,065

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 17 SC 13G/A — Coliseum Capital Management, LLC

View original SEC filing ↗

Aug 14 SC 13G/A — Gates Capital Management, Inc.

View original SEC filing ↗

Aug 06 SC 13G — FMR LLC

View original SEC filing ↗

Aug 04 SC 13G/A — Boston Partners

View original SEC filing ↗

Jul 22 SC 13G — PZENA INVESTMENT MANAGEMENT LLC

View original SEC filing ↗

Jul 14 SC 13G/A — DIMENSIONAL FUND ADVISORS LP

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2025 · Methodology · Get this via the API