Who owns MasterBrand, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MBC from SEC Form 13F filings across 348 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 348 institutions disclosed 221.4M shares of MasterBrand, Inc. worth $2.28B — about 144.1% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
348
13F holders
$2.28B
value, 2026 filers
144.1%
of shares outstanding (221.4M sh)
74
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MBC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 31.6M | $324.7M | 0.0% | 20.5% | +63.1% |
| 2 | PZENA INVESTMENT MANAGEMENT LLC | 15.3M | $157.7M | 0.5% | 10% | +301.9% |
| 3 | Coliseum Capital Management, LLC | 13.2M | $135.8M | 11.7% | 8.6% | +4.0% |
| 4 | Gates Capital Management, Inc. | 13.2M | $135.7M | 3.3% | 8.6% | +27.4% |
| 5 | FMR LLC | 10.4M | $106.7M | 0.0% | 6.8% | +138.9% |
| 6 | REDWOOD CAPITAL MANAGEMENT, LLC | 9.8M | $101.1M | 10.9% | 6.4% | +663.7% |
| 7 | DIMENSIONAL FUND ADVISORS LP | 9.2M | $94.6M | 0.0% | 6% | +31.2% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 8.8M | $90.9M | 0.0% | 5.8% | +54.3% |
| 9 | STATE STREET CORP | 8.2M | $84.3M | 0.0% | 5.3% | +67.6% |
| 10 | Pertento Partners LLP | 6.0M | $61.4M | 3.3% | 3.9% | +20.2% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 5.1M | $52.8M | 0.0% | 3.3% | +65.6% |
| 12 | Sixth Street Partners Management Company, L.P. | 4.9M | $50.5M | 8.7% | 3.2% | 0.0% |
| 13 | Diameter Capital Partners LP | 4.8M | $49.2M | 4.0% | 3.1% | +209.2% |
| 14 | Atlas FRM LLC | 4.6M | $47.6M | 2.0% | 3% | +255.7% |
| 15 | PARADIGM CAPITAL MANAGEMENT INC/NY | 4.6M | $47.5M | 1.3% | 3% | +326.8% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.1M | $42.6M | 0.0% | 2.7% | +68.6% |
| 17 | ACK Asset Management LLC | 3.7M | $38.1M | 4.4% | 2.4% | 0.0% |
| 18 | Monarch Alternative Capital LP | 3.7M | $38.1M | 5.4% | 2.4% | +85.0% |
| 19 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 3.1M | $32.2M | 0.0% | 2% | 0.0% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.1M | $31.9M | 0.0% | 2% | +21.8% |
| 21 | STONEHILL CAPITAL MANAGEMENT LLC | 2.7M | $27.4M | 7.8% | 1.7% | +82.8% |
| 22 | COOKE & BIELER LP | 2.6M | $26.3M | 0.3% | 1.7% | -29.0% |
| 23 | MORGAN STANLEY | 2.5M | $26.2M | 0.0% | 1.7% | +121.6% |
| 24 | FRANKLIN RESOURCES INC | 2.5M | $25.3M | 0.0% | 1.6% | +2794.9% |
| 25 | NORTHERN TRUST CORP | 2.2M | $23.0M | 0.0% | 1.5% | +65.3% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.