MBC MasterBrand Inc
MasterBrand Inc (MBC) Institutional Ownership
What the institutions did with MBC last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| BlackRock, Inc. | 31.6M | 14.3% |
| PZENA INVESTMENT MANAGEMENT LLC | 15.3M | 6.9% |
| Coliseum Capital Management, LLC | 13.2M | 6.0% |
| Gates Capital Management, Inc. | 13.2M | 6.0% |
| FMR LLC | 10.4M | 4.7% |
| REDWOOD CAPITAL MANAGEMENT, LLC | 9.8M | 4.4% |
| DIMENSIONAL FUND ADVISORS LP | 9.2M | 4.2% |
| VANGUARD CAPITAL MANAGEMENT LLC | 8.8M | 4.0% |
| STATE STREET CORP | 8.2M | 3.7% |
| Pertento Partners LLP | 6.0M | 2.7% |
| GEODE CAPITAL MANAGEMENT, LLC | 5.1M | 2.3% |
| Sixth Street Partners Management Company, L.P. | 4.9M | 2.2% |
| Diameter Capital Partners LP | 4.8M | 2.2% |
| Atlas FRM LLC | 4.6M | 2.1% |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 4.6M | 2.1% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.1M | 1.9% |
| Monarch Alternative Capital LP | 3.7M | 1.7% |
| ACK Asset Management LLC | 3.7M | 1.7% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 3.1M | 1.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 3.1M | 1.4% |
| STONEHILL CAPITAL MANAGEMENT LLC | 2.7M | 1.2% |
| COOKE & BIELER LP | 2.6M | 1.2% |
| MORGAN STANLEY | 2.5M | 1.1% |
| FRANKLIN RESOURCES INC | 2.5M | 1.1% |
| NORTHERN TRUST CORP | 2.2M | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| BlackRock, Inc. | Increased | 19.4M | 31.6M | +12.2M |
| PZENA INVESTMENT MANAGEMENT LLC | Increased | 3.8M | 15.3M | +11.5M |
| REDWOOD CAPITAL MANAGEMENT, LLC | Increased | 1.3M | 9.8M | +8.5M |
| Boston Partners | Sold Out | 6.7M | 0 | -6.7M |
| FMR LLC | Increased | 4.3M | 10.4M | +6.0M |
| PARADIGM CAPITAL MANAGEMENT INC/NY | Increased | 1.1M | 4.6M | +3.5M |
| Atlas FRM LLC | Increased | 1.3M | 4.6M | +3.3M |
| STATE STREET CORP | Increased | 4.9M | 8.2M | +3.3M |
| Diameter Capital Partners LP | Increased | 1.5M | 4.8M | +3.2M |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 5.7M | 8.8M | +3.1M |
| Gates Capital Management, Inc. | Increased | 10.3M | 13.2M | +2.8M |
| Apollo Management Holdings, L.P. | Sold Out | 2.6M | 0 | -2.6M |
| FRANKLIN RESOURCES INC | Increased | 85.0K | 2.5M | +2.4M |
| DIMENSIONAL FUND ADVISORS LP | Increased | 7.0M | 9.2M | +2.2M |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 3.1M | 5.1M | +2.0M |
| SYSTEMATIC FINANCIAL MANAGEMENT LP | New | 0 | 2.0M | +2.0M |
| Monarch Alternative Capital LP | Increased | 2.0M | 3.7M | +1.7M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 2.5M | 4.1M | +1.7M |
| Nixon Capital, LLC | Sold Out | 1.6M | 0 | -1.6M |
| Decagon Asset Management LLP | Sold Out | 1.5M | 0 | -1.5M |
| MORGAN STANLEY | Increased | 1.1M | 2.5M | +1.4M |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | New | 0 | 1.3M | +1.3M |
| WELLS FARGO & COMPANY/MN | Increased | 86.7K | 1.4M | +1.3M |
| STONEHILL CAPITAL MANAGEMENT LLC | Increased | 1.5M | 2.7M | +1.2M |
| GOLDMAN SACHS GROUP INC | Reduced | 3.1M | 2.0M | -1.1M |
| Melqart Asset Management (UK) Ltd | Sold Out | 1.1M | 0 | -1.1M |
| GLAZER CAPITAL, LLC | Sold Out | 1.1M | 0 | -1.1M |
| COOKE & BIELER LP | Reduced | 3.6M | 2.6M | -1.0M |
| Pertento Partners LLP | Increased | 5.0M | 6.0M | +1.0M |
| NORTHERN TRUST CORP | Increased | 1.4M | 2.2M | +884.2K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.8M | 880.8K | -871.5K |
| T. Rowe Price Investment Management, Inc. | New | 0 | 779.4K | +779.4K |
| GRACE & WHITE INC /NY | New | 0 | 714.5K | +714.5K |
| UBS Group AG | Increased | 668.7K | 1.4M | +692.4K |
| CANYON CAPITAL ADVISORS LLC | Reduced | 1.7M | 1.1M | -614.4K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 2.5M | 3.1M | +555.5K |
| VANGUARD FIDUCIARY TRUST CO | Increased | 830.0K | 1.3M | +506.3K |
| Coliseum Capital Management, LLC | Increased | 12.7M | 13.2M | +505.4K |
| Balyasny Asset Management L.P. | Sold Out | 501.7K | 0 | -501.7K |
| CITIGROUP INC | Increased | 146.8K | 606.0K | +459.3K |
| Bank of New York Mellon Corp | Increased | 848.0K | 1.3M | +405.3K |
| MILLENNIUM MANAGEMENT LLC | Reduced | 472.9K | 106.7K | -366.2K |
| PRINCIPAL FINANCIAL GROUP INC | Increased | 616.3K | 981.2K | +364.9K |
| D.A. DAVIDSON & CO. | New | 0 | 320.1K | +320.1K |
| Nuveen, LLC | Increased | 283.1K | 592.0K | +309.0K |
| Creative Planning | Increased | 118.6K | 425.6K | +307.0K |
| MIRABELLA FINANCIAL SERVICES LLP | Reduced | 377.4K | 72.9K | -304.5K |
| TEACHER RETIREMENT SYSTEM OF TEXAS | Sold Out | 300.0K | 0 | -300.0K |
| ALPINE ASSOCIATES MANAGEMENT INC. | New | 0 | 297.3K | +297.3K |
| Hudson Bay Capital Management LP | Sold Out | 293.3K | 0 | -293.3K |
| Invesco Ltd. | Increased | 926.4K | 1.2M | +272.1K |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | Increased | 766.4K | 1.0M | +269.3K |
| Ancora Advisors LLC | Increased | 413.0K | 672.2K | +259.2K |
| Public Sector Pension Investment Board | Increased | 453.5K | 697.5K | +243.9K |
| JPMORGAN CHASE & CO | Reduced | 675.3K | 444.6K | -230.6K |
| Pictet Asset Management Holding SA | Increased | 451.6K | 678.5K | +226.9K |
| Empowered Funds, LLC | Increased | 476.2K | 697.9K | +221.7K |
| Polar Asset Management Partners Inc. | Sold Out | 213.4K | 0 | -213.4K |
| SEI INVESTMENTS CO | Increased | 378.4K | 580.3K | +201.9K |
| Marathon Asset Management Ltd | Increased | 842.9K | 1.0M | +192.1K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.