MASTERBRAND, INC.

PublicCIK: 1941365
MBCNYSE
Location

BEACHWOOD, OH

13F Filings

Institutional Holders

MASTERBRAND, INC.MBC— Latest position per institution from SEC 13F filings

15

Institutional holders

192.02M

Total shares held

2.06B

Estimated value

9.60M

Avg. position size

1

BLACKROCK, INC.

CIK 2012383

Shares

31.55M

Value

324.70M

Filed

Jun 30, 2026

2

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

19.85M

Value

291.46M

Filed

Jun 30, 2024

3

PZENA INVESTMENT MANAGEMENT LLC

CIK 1027796

Shares

15.33M

Value

157.74M

Filed

Jun 30, 2026

4

COLISEUM CAPITAL MANAGEMENT, LLC

CIK 1409751

Shares

13.20M

Value

135.83M

Filed

Jun 30, 2026

5

GATES CAPITAL MANAGEMENT, INC.

CIK 1312908

Shares

13.19M

Value

135.69M

Filed

Jun 30, 2026

6

FMR LLC

CIK 315066

Shares

10.37M

Value

106.72M

Filed

Jun 30, 2026

7

REDWOOD CAPITAL MANAGEMENT, LLC

CIK 1316622

Shares

9.82M

Value

101.07M

Filed

Jun 30, 2026

8

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

9.20M

Value

94.62M

Filed

Jun 30, 2026

9

VANGUARD GROUP INC

CIK 102909

Shares

9.08M

Value

100.23M

Filed

Dec 31, 2025

10

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

8.83M

Value

90.91M

Filed

Jun 30, 2026

11

STATE STREET CORP

CIK 93751

Shares

8.20M

Value

84.33M

Filed

Jun 30, 2026

12

BOSTON PARTNERS

CIK 1386060

Shares

6.73M

Value

55.90M

Filed

Mar 31, 2026

13

PERTENTO PARTNERS LLP

CIK 1894571

Shares

5.97M

Value

61.41M

Filed

Jun 30, 2026

14

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

5.13M

Value

52.81M

Filed

Jun 30, 2026

15

DIAMETER CAPITAL PARTNERS LP

CIK 1727012

Shares

4.78M

Value

49.18M

Filed

Jun 30, 2026

16

ATLAS FRM LLC

CIK 1879898

Shares

4.62M

Value

47.59M

Filed

Jun 30, 2026

17

PARADIGM CAPITAL MANAGEMENT INC/NY

CIK 1037792

Shares

4.62M

Value

47.53M

Filed

Jun 30, 2026

18

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

4.14M

Value

42.64M

Filed

Jun 30, 2026

19

MONARCH ALTERNATIVE CAPITAL LP

CIK 1281084

Shares

3.70M

Value

38.07M

Filed

Jun 30, 2026

20

ACK ASSET MANAGEMENT LLC

CIK 1510940

Shares

3.70M

Value

38.07M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.