Latest Period
Q2 2026
Security Snapshot
MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC) Institutional Ownership
CUSIP: 57638P104
13F Institutional Holders and Ownership History from Q4 2022 to Q2 2026
Institutions Reporting
345
Shares (Excl. Options)
221,388,297
Price
$10.29
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- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Symbol
- MBC on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 221,388,297
- Total 13F value
- $2,277,565,638
- Portfolio coverage rank
- 0.01%
- Share change
- +66,544,614
- Value change
- +$718,943,025
- Number of holders
- 345
- Shares outstanding
- 203,078,723
- SEC-reported price per share
- $9.29
- Insider filing price
- $9.29
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MBC - MasterBrand, Inc. - Common Stock, par value $0.01 per share is tracked under CUSIP 57638P104.
- 345 institutions reported positions in Q2 2026.
- 7 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 335 to 345 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $1,287,698,846 to $2,277,565,638.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 345 institutions filings for Q2 2026.
Security key
57638P104
Latest holder period
Q2 2026
13F holders
345
13D/G owners
7
CIK / CUSIP context first
Open Q2 2026 holders
MBC full holder history
MasterBrand, Inc. SEC filings
MasterBrand, Inc. company facts
MasterBrand, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 57638P104:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
7
Security
MBC
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | $233,849,689 | 19,358,418 | BlackRock, Inc. | 31 Mar 2025 | |||
| PZENA INVESTMENT MANAGEMENT LLC | 7.5% | $157,740,380 | 15,329,483 | PZENA INVESTMENT MANAGEMENT LLC | 30 Jun 2026 | |||
| Coliseum Capital Management, LLC | 6.5% | -34% | $114,181,012 | +$4,371,771 | 13,200,117 | +4% | Coliseum Capital Management, LLC | 30 Jun 2026 |
| Gates Capital Management, Inc. | 6.5% | -21% | $114,065,422 | +$24,310,081 | 13,186,754 | +27% | Gates Capital Management, L.P. | 30 Jun 2026 |
| FMR LLC | 5.1% | $89,707,640 | 10,370,825 | FMR LLC | 30 Jun 2026 | |||
| DIMENSIONAL FUND ADVISORS LP | 4.5% | -14% | $94,625,054 | +$27,088,377 | 9,195,469 | +40% | Dimensional Fund Advisors LP | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $55,723,760 | 6,705,627 | Vanguard Capital Management | 31 Mar 2026 |
As of 30 Jun 2026, 345 institutional investors reported holding 221,388,297 shares of MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC). This represents 109% of the company’s total 203,078,723 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
89%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16% | 31,554,598 | +63% | 0% | $324,696,809 |
| PZENA INVESTMENT MANAGEMENT LLC | 7.5% | 15,329,483 | +302% | 0.46% | $157,740,380 |
| Coliseum Capital Management, LLC | 6.5% | 13,200,117 | +4% | 12% | $135,829,204 |
| Gates Capital Management, Inc. | 6.5% | 13,186,754 | +27% | 4.5% | $135,691,699 |
| FMR LLC | 5.1% | 10,370,825 | +139% | 0% | $106,715,794 |
| REDWOOD CAPITAL MANAGEMENT, LLC | 4.8% | 9,821,896 | +664% | 11% | $101,067,310 |
| DIMENSIONAL FUND ADVISORS LP | 4.5% | 9,195,469 | +31% | 0.02% | $94,617,665 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4% | 8,834,686 | +54% | 0% | $90,908,919 |
| STATE STREET CORP | 4% | 8,195,786 | +68% | 0% | $84,334,638 |
| Pertento Partners LLP | 2.9% | 5,968,072 | +20% | 4.4% | $61,411,461 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 5,131,400 | +66% | 0% | $52,812,304 |
| Sixth Street Partners Management Company, L.P. | 2.4% | 4,905,383 | 0% | 8.7% | $50,476,391 |
| Diameter Capital Partners LP | 2.4% | 4,779,445 | +209% | 5.2% | $49,180,489 |
| Atlas FRM LLC | 2.3% | 4,624,400 | +256% | 2% | $47,585,076 |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 2.3% | 4,618,700 | +327% | 1.3% | $47,526,423 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2% | 4,144,271 | +69% | 0% | $42,644,549 |
| Monarch Alternative Capital LP | 1.8% | 3,700,000 | +85% | 5.4% | $38,073,000 |
| ACK Asset Management LLC | 1.8% | 3,700,000 | 0% | 4.4% | $38,073,000 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 1.5% | 3,133,352 | -0.03% | 0.01% | $32,242,192 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.5% | 3,098,412 | +22% | 0% | $31,882,659 |
| STONEHILL CAPITAL MANAGEMENT LLC | 1.3% | 2,662,946 | +83% | 7.8% | $27,402,000 |
| COOKE & BIELER LP | 1.3% | 2,551,527 | -29% | 0.3% | $26,255,213 |
| MORGAN STANLEY | 1.3% | 2,542,550 | +122% | 0% | $26,162,856 |
| FRANKLIN RESOURCES INC | 1.2% | 2,461,300 | +2795% | 0.01% | $25,326,777 |
| NORTHERN TRUST CORP | 1.1% | 2,239,105 | +65% | 0% | $23,040,391 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
15
Latest
Q2 2026
Rows shown
1-15 of 15
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 221,388,297 | $2,277,565,638 | +$718,943,025 | $10.29 | 345 |
| 2026 Q1 | 154,912,397 | $1,287,698,846 | +$61,215,205 | $8.31 | 335 |
| 2025 Q4 | 146,852,694 | $1,621,831,106 | +$139,402,377 | $11.04 | 329 |
| 2025 Q3 | 133,500,441 | $1,758,268,751 | +$180,709,700 | $13.17 | 334 |
| 2025 Q2 | 119,921,612 | $1,310,917,077 | -$34,624,791 | $10.93 | 322 |
| 2025 Q1 | 121,463,349 | $1,585,925,370 | +$81,961,811 | $13.06 | 337 |
| 2024 Q4 | 114,912,666 | $1,680,883,255 | -$33,929,879 | $14.61 | 359 |
| 2024 Q3 | 115,261,072 | $2,136,525,666 | +$13,453,723 | $18.54 | 353 |
| 2024 Q2 | 114,874,059 | $1,686,402,022 | -$34,969,708 | $14.68 | 349 |
| 2024 Q1 | 117,013,592 | $2,192,704,319 | +$112,776,323 | $18.74 | 334 |
| 2023 Q4 | 110,862,614 | $1,646,299,359 | +$9,763,843 | $14.85 | 339 |
| 2023 Q3 | 110,714,373 | $1,345,121,257 | -$21,988,908 | $12.15 | 334 |
| 2023 Q2 | 112,074,576 | $1,303,211,897 | -$11,425,830 | $11.63 | 344 |
| 2023 Q1 | 115,012,696 | $924,418,595 | +$39,666,002 | $8.04 | 349 |
| 2022 Q4 | 109,739,271 | $828,497,074 | +$815,675,098 | $7.55 | 375 |