MasterbrandMBC
13F holders, Q3 2025 (September 30)337holders +12
52new positions
37sold out
9famous investors
$13.17avg. 13F price*
At the end of Q3 2025, 337 institutions reported holding Masterbrand Inc. (MBC) in their 13F filings, up 12 from Q2 2025. 52 opened new positions and 37 sold out. The largest holders were BlackRock, Inc. ($248.6M), Gates Capital Management, Inc. ($136.7M) and Vanguard Group Inc. ($119.6M). 9 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Mario Gabelli (0.0% of GAMCO Investors's portfolio) and Bill Nygren (0.0% of Harris Associates (Oakmark Funds)'s portfolio).
- Company
- Masterbrand Inc.
- CUSIP
- 57638P104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 52 | $77.3M |
| Exits | 37 | $14.3M |
All 13F filers, Q2 2025 → Q3 2025: 24,744,406 shares bought and 10,843,752 shares sold, net +13,900,654 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 337 holders
| BlackRock, Inc. | 0.00% | Add +0.2% | 18,875,778 | $248.6M |
| Gates Capital Management, Inc. | 4.23% | Reduce -13.7% | 10,376,340 | $136.7M |
| Vanguard Group Inc. | 0.00% | Reduce -1.1% | 9,082,335 | $119.6M |
| Boston Partners | 0.12% | Add +7.8% | 8,930,199 | $117.7M |
| Coliseum Capital Management, LLC | 9.73% | Add +75.7% | 7,563,291 | $99.6M |
| Dimensional Fund Advisors LP | 0.02% | Add +2.4% | 6,289,199 | $82.8M |
| Diameter Capital Partners LP | 7.00% | Add +406.0% | 5,060,410 | $66.6M |
| State Street Corp. | 0.00% | Add +0.1% | 4,932,375 | $65.0M |
| Pzena Investment Management LLC | 0.18% | Reduce -0.8% | 4,123,054 | $54.3M |
| FMR LLC | 0.00% | Reduce -36.5% | 3,703,231 | $48.8M |
| Sixth Street Partners Management Company, L.P. | 3.78% | Add +138.5% | 3,338,892 | $44.0M |
| Geode Capital Management, LLC | 0.00% | Add +0.4% | 3,010,804 | $39.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +20.0% | 2,949,665 | $38.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +0.3% | 2,491,642 | $32.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +123.6% | 2,472,089 | $32.6M |
| ACK Asset Management LLC | 3.79% | New | 2,300,000 | $30.3M |
| Renaissance Technologies | 0.04% | Add +3.0% | 2,113,363 | $27.8M |
| Stonehill Capital Management LLC | 10.12% | Add +311.5% | 1,954,780 | $25.7M |
| Teacher Retirement System of Texas | 0.10% | Add +80.2% | 1,924,823 | $25.3M |
| Canyon Capital Advisors LLC | 3.25% | Add +69.0% | 1,800,000 | $23.7M |
| Northern Trust Corp. | 0.00% | Reduce -0.8% | 1,471,797 | $19.4M |
| Morgan Stanley | 0.00% | Reduce -4.7% | 1,381,320 | $18.2M |
| Nixon Capital, LLC | 4.93% | Add +40.1% | 1,230,596 | $16.2M |
| De Lisle Partners LLP | 1.81% | No change | 1,119,149 | $14.7M |
| Polar Capital Holdings Plc | 0.06% | Add +74.0% | 997,406 | $13.1M |
| Thrivent Financial for Lutherans | 0.03% | Reduce -79.6% | 967,572 | $12.7M |
| Bridgeway Capital Management, LLC | 0.27% | Reduce -3.8% | 961,086 | $12.7M |
| Ancora Advisors LLC | 0.24% | Add +20.5% | 895,096 | $11.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.8% | 869,020 | $11.4M |
| JPMorgan Chase & Co. | 0.00% | Add +353.2% | 695,128 | $9.2M |
| Invesco Ltd. | 0.00% | Reduce -0.5% | 652,924 | $8.6M |
| Pictet Asset Management Holding SA | 0.01% | Add +26.8% | 630,663 | $8.3M |
| Principal Financial Group Inc. | 0.00% | Reduce -2.6% | 611,955 | $8.1M |
| Paradigm Capital Management Inc. | 0.33% | New | 580,000 | $7.6M |
| Russell Investments Group, Ltd. | 0.01% | Add +3.2% | 576,139 | $7.6M |
| Empowered Funds, LLC | 0.08% | Add +2.1% | 566,086 | $7.5M |
| UBS Group AG | 0.00% | Add +143.8% | 542,365 | $7.1M |
| Public Sector Pension Investment Board | 0.02% | Add +14.2% | 494,325 | $6.5M |
| Balyasny Asset Management L.P. | 0.01% | Add +1309.9% | 479,606 | $6.3M |
| Victory Capital Management Inc. | 0.00% | Reduce -6.6% | 467,856 | $6.2M |
| Royce & Associates LP | 0.06% | Reduce -36.6% | 428,454 | $5.6M |
| Bank of America Corp. | 0.00% | Add +8.7% | 410,754 | $5.4M |
| Peregrine Capital Management LLC | 0.16% | New | 409,260 | $5.4M |
| American Century Companies Inc. | 0.00% | Add +18.7% | 401,878 | $5.3M |
| RBF Capital, LLC | 0.24% | New | 390,382 | $5.1M |
| Rhumbline Advisers | 0.00% | Reduce -1.3% | 382,331 | $5.0M |
| Weiss Asset Management LP | 0.08% | New | 360,320 | $4.7M |
| Woodline Partners LP | 0.02% | New | 355,350 | $4.7M |
| Prudential Financial Inc. | 0.01% | Reduce -17.3% | 343,053 | $4.5M |
| Allianz Asset Management GmbH | 0.01% | Add +18.8% | 342,848 | $4.5M |
| Legal & General Group Plc | 0.00% | Reduce -6.6% | 327,230 | $4.3M |
| Ameriprise Financial Inc. | 0.00% | Reduce -0.4% | 322,866 | $4.3M |
| First Trust Advisors LP | 0.00% | Add +42.2% | 310,770 | $4.1M |
| Beaconlight Capital, LLC | 1.90% | New | 292,959 | $3.9M |
| Nuveen, LLC | 0.00% | Reduce -1.8% | 286,514 | $3.8M |
| Deutsche Bank AG | 0.00% | Add +4.1% | 283,763 | $3.7M |
| Swiss National Bank | 0.00% | Add +0.7% | 245,700 | $3.2M |
| Denali Advisors LLC | 0.36% | New | 241,400 | $3.2M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -4.6% | 239,940 | $3.2M |
| Sei Investments Co. | 0.00% | Add +552.6% | 231,742 | $3.1M |
| Barclays PLC | 0.00% | Reduce -20.9% | 222,844 | $2.9M |
| North Growth Management Ltd. | 0.49% | Reduce -0.5% | 215,000 | $2.8M |
| Trexquant Investment LP | 0.03% | Add +322.3% | 206,603 | $2.7M |
| 683 Capital Management, LLC | 0.25% | New | 200,000 | $2.6M |
| AQR Capital Management | 0.00% | Add +7.2% | 188,451 | $2.5M |
| Wells Fargo & Company | 0.00% | Add +7.8% | 186,939 | $2.5M |
| Raymond James Financial Inc. | 0.00% | Add +9.3% | 186,538 | $2.5M |
| ExodusPoint Capital Management, LP | 0.03% | Add +136.0% | 184,245 | $2.4M |
| Royal Bank of Canada | 0.00% | Add +63.6% | 178,149 | $2.3M |
| STRS Ohio | 0.01% | Add +253.2% | 168,100 | $2.2M |
| Wedge Capital Management L L P | 0.04% | Add +9.5% | 166,117 | $2.2M |
| EMG Holdings, L.P. | 2.34% | New | 165,100 | $2.2M |
| Lazard Asset Management LLC | 0.00% | New | 163,010 | $2.1M |
| New York State Teachers Retirement System | 0.00% | Reduce -7.1% | 157,089 | $2.1M |
| Truist Financial Corp. | 0.00% | Add +0.4% | 155,844 | $2.1M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.1% | 153,601 | $2.0M |
| Citigroup Inc. | 0.00% | Reduce -15.3% | 136,312 | $1.8M |
| Exchange Traded Concepts, LLC | 0.02% | Reduce -0.6% | 121,179 | $1.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.3% | 117,695 | $1.6M |
| Mitsubishi UFJ Trust & Banking Corp | 0.00% | Reduce -37.6% | 117,754 | $1.6M |
| California State Teachers Retirement System | 0.00% | Add +0.0% | 117,445 | $1.5M |
| AXA Investment Managers S.A. | 0.00% | — | 114,371 | $1.5M |
| Harris Associates (Oakmark Funds) | 0.00% | Reduce -1.9% | 110,237 | $1.5M |
| New York State Common Retirement Fund | 0.00% | Add +166.7% | 104,480 | $1.4M |
| Rafferty Asset Management, LLC | 0.00% | Add +124.6% | 100,285 | $1.3M |
| AlphaQuest LLC | 0.09% | Add +9.4% | 99,380 | $1.3M |
| Verition Fund Management LLC | 0.01% | Add +0.8% | 98,246 | $1.3M |
| Citadel Advisors | 0.00% | Reduce -49.1% | 94,588 | $1.2M |
| Federated Hermes, Inc. | 0.00% | Add +20.1% | 92,810 | $1.2M |
| Comerica Bank | 0.00% | Add +7.9% | 89,487 | $1.2M |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -24.6% | 82,282 | $1.1M |
| GAMCO Investors | 0.01% | Reduce -8.3% | 81,354 | $1.1M |
| BNP Paribas Financial Markets | 0.00% | Add +358.6% | 79,629 | $1.0M |
| Millennium Management | 0.00% | Reduce -84.9% | 78,796 | $1.0M |
| MetLife Investment Management, LLC | 0.00% | No change | 76,519 | $1.0M |
| D. E. Shaw & Co. | 0.00% | Reduce -60.0% | 73,615 | $970K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -6.7% | 70,456 | $927K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -0.6% | 65,976 | $869K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -4.0% | 64,258 | $846K |
| Creative Planning | 0.00% | Add +71.5% | 61,644 | $812K |
"% of holder's portfolio" is MBC's weight in each manager's 13F, not the share of Masterbrand Inc. the manager owns.