MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2022 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
MBC on NYSE
Shares outstanding
126,540,732
Price per share
$11.04
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
133,493,347
Total reported value
$1,758,179,844
% of total 13F portfolios
0.01%
Share change
+13,417,631
Value change
+$179,827,004
Number of holders
332
Price from insider filings
$11.04
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC) based on Schedule 13D/G filings

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
Gates Capital Management, Inc. 8.2% -14% $136,656,398 -$21,710,429 10,376,340 -14% Gates Capital Management, L.P. 30 Sep 2025
Boston Partners 6.3% +4.8% $92,000,319 +$3,651,170 7,931,062 +4.1% Boston Partners 30 Jun 2025
Coliseum Capital Management, LLC 5.5% $80,327,967 6,960,829 Coliseum Capital Management, LLC 11 Aug 2025

As of 30 Sep 2025, 332 institutional investors reported holding 133,493,347 shares of MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC). This represents 105% of the company’s total 126,540,732 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC) together control 87% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 15% 18,875,778 +0.16% 0% $248,593,998
Gates Capital Management, Inc. 8.2% 10,376,340 -14% 4.2% $136,656,398
VANGUARD GROUP INC 7.2% 9,082,335 -1.1% 0% $119,614,352
Boston Partners 7.1% 8,930,199 +7.8% 0.12% $117,688,492
Coliseum Capital Management, LLC 6% 7,563,291 +76% 9.7% $99,608,542
DIMENSIONAL FUND ADVISORS LP 5% 6,289,199 +2.4% 0.02% $82,831,543
Diameter Capital Partners LP 4% 5,060,410 +406% 7% $66,645,600
STATE STREET CORP 3.9% 4,932,375 +0.07% 0% $64,959,379
PZENA INVESTMENT MANAGEMENT LLC 3.3% 4,123,054 -0.76% 0.18% $54,300,621
FMR LLC 2.9% 3,703,231 -36% 0% $48,771,560
Sixth Street Partners Management Company, L.P. 2.6% 3,338,892 +138% 3.8% $43,973,208
GEODE CAPITAL MANAGEMENT, LLC 2.4% 3,010,804 +0.4% 0% $39,658,069
UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC 2.3% 2,949,665 +20% 0.01% $38,847,088
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 2% 2,491,642 +0.29% 0.01% $32,814,925
GOLDMAN SACHS GROUP INC 2% 2,472,089 +124% 0% $32,557,408
ACK Asset Management LLC 1.8% 2,300,000 3.8% $30,291,000
RENAISSANCE TECHNOLOGIES LLC 1.7% 2,113,363 +3% 0.04% $27,832,991
STONEHILL CAPITAL MANAGEMENT LLC 1.5% 1,954,780 +312% 9.2% $25,744,000
TEACHER RETIREMENT SYSTEM OF TEXAS 1.5% 1,924,823 +80% 0.1% $25,349,918
CANYON CAPITAL ADVISORS LLC 1.4% 1,800,000 +69% 3.3% $23,706,000
NORTHERN TRUST CORP 1.2% 1,471,797 -0.82% 0% $19,383,566
MORGAN STANLEY 1.1% 1,381,319 -4.7% 0% $18,191,978
Nixon Capital, LLC 0.97% 1,230,596 +40% 4.9% $16,206,950
De Lisle Partners LLP 0.88% 1,119,149 0% 1.8% $14,733,772
Polar Capital Holdings Plc 0.79% 997,406 +74% 0.06% $13,135,837

Institutional Holders of MasterBrand, Inc. - Common Stock, par value $0.01 per share (MBC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 760,856 $8,406,686 +$7,928,611 $11.04 13
2025 Q3 133,493,347 $1,758,179,844 +$179,827,004 $13.17 332
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